*
*
* Copyright (C) 2004-2005 Borislav Deianov <borislav@users.sf.net>
- * Copyright (C) 2006-2008 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
+ * Copyright (C) 2006-2009 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* 02110-1301, USA.
*/
-#define TPACPI_VERSION "0.21"
-#define TPACPI_SYSFS_VERSION 0x020200
+#define TPACPI_VERSION "0.23"
+#define TPACPI_SYSFS_VERSION 0x020500
/*
* Changelog:
#include <linux/string.h>
#include <linux/list.h>
#include <linux/mutex.h>
+#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <acpi/acpi_drivers.h>
-#include <acpi/acnamesp.h>
#include <linux/pci_ids.h>
#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
#define TPACPI_HKEY_INPUT_VERSION 0x4101
+/* ACPI \WGSV commands */
+enum {
+ TP_ACPI_WGSV_GET_STATE = 0x01, /* Get state information */
+ TP_ACPI_WGSV_PWR_ON_ON_RESUME = 0x02, /* Resume WWAN powered on */
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME = 0x03, /* Resume WWAN powered off */
+ TP_ACPI_WGSV_SAVE_STATE = 0x04, /* Save state for S4/S5 */
+};
+
+/* TP_ACPI_WGSV_GET_STATE bits */
+enum {
+ TP_ACPI_WGSV_STATE_WWANEXIST = 0x0001, /* WWAN hw available */
+ TP_ACPI_WGSV_STATE_WWANPWR = 0x0002, /* WWAN radio enabled */
+ TP_ACPI_WGSV_STATE_WWANPWRRES = 0x0004, /* WWAN state at resume */
+ TP_ACPI_WGSV_STATE_WWANBIOSOFF = 0x0008, /* WWAN disabled in BIOS */
+ TP_ACPI_WGSV_STATE_BLTHEXIST = 0x0001, /* BLTH hw available */
+ TP_ACPI_WGSV_STATE_BLTHPWR = 0x0002, /* BLTH radio enabled */
+ TP_ACPI_WGSV_STATE_BLTHPWRRES = 0x0004, /* BLTH state at resume */
+ TP_ACPI_WGSV_STATE_BLTHBIOSOFF = 0x0008, /* BLTH disabled in BIOS */
+ TP_ACPI_WGSV_STATE_UWBEXIST = 0x0010, /* UWB hw available */
+ TP_ACPI_WGSV_STATE_UWBPWR = 0x0020, /* UWB radio enabled */
+};
+
+/* HKEY events */
+enum tpacpi_hkey_event_t {
+ /* Hotkey-related */
+ TP_HKEY_EV_HOTKEY_BASE = 0x1001, /* first hotkey (FN+F1) */
+ TP_HKEY_EV_BRGHT_UP = 0x1010, /* Brightness up */
+ TP_HKEY_EV_BRGHT_DOWN = 0x1011, /* Brightness down */
+ TP_HKEY_EV_VOL_UP = 0x1015, /* Volume up or unmute */
+ TP_HKEY_EV_VOL_DOWN = 0x1016, /* Volume down or unmute */
+ TP_HKEY_EV_VOL_MUTE = 0x1017, /* Mixer output mute */
+
+ /* Reasons for waking up from S3/S4 */
+ TP_HKEY_EV_WKUP_S3_UNDOCK = 0x2304, /* undock requested, S3 */
+ TP_HKEY_EV_WKUP_S4_UNDOCK = 0x2404, /* undock requested, S4 */
+ TP_HKEY_EV_WKUP_S3_BAYEJ = 0x2305, /* bay ejection req, S3 */
+ TP_HKEY_EV_WKUP_S4_BAYEJ = 0x2405, /* bay ejection req, S4 */
+ TP_HKEY_EV_WKUP_S3_BATLOW = 0x2313, /* battery empty, S3 */
+ TP_HKEY_EV_WKUP_S4_BATLOW = 0x2413, /* battery empty, S4 */
+
+ /* Auto-sleep after eject request */
+ TP_HKEY_EV_BAYEJ_ACK = 0x3003, /* bay ejection complete */
+ TP_HKEY_EV_UNDOCK_ACK = 0x4003, /* undock complete */
+
+ /* Misc bay events */
+ TP_HKEY_EV_OPTDRV_EJ = 0x3006, /* opt. drive tray ejected */
+
+ /* User-interface events */
+ TP_HKEY_EV_LID_CLOSE = 0x5001, /* laptop lid closed */
+ TP_HKEY_EV_LID_OPEN = 0x5002, /* laptop lid opened */
+ TP_HKEY_EV_TABLET_TABLET = 0x5009, /* tablet swivel up */
+ TP_HKEY_EV_TABLET_NOTEBOOK = 0x500a, /* tablet swivel down */
+ TP_HKEY_EV_PEN_INSERTED = 0x500b, /* tablet pen inserted */
+ TP_HKEY_EV_PEN_REMOVED = 0x500c, /* tablet pen removed */
+ TP_HKEY_EV_BRGHT_CHANGED = 0x5010, /* backlight control event */
+
+ /* Thermal events */
+ TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */
+ TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */
+ TP_HKEY_EV_ALARM_SENSOR_HOT = 0x6021, /* sensor too hot */
+ TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */
+ TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* thermal table changed */
+
+ /* Misc */
+ TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
+};
/****************************************************************************
* Main driver
#define TPACPI_MAX_ACPI_ARGS 3
-/* rfkill switches */
-enum {
- TPACPI_RFK_BLUETOOTH_SW_ID = 0,
- TPACPI_RFK_WWAN_SW_ID,
-};
-
-/* Debugging */
+/* printk headers */
#define TPACPI_LOG TPACPI_FILE ": "
-#define TPACPI_ERR KERN_ERR TPACPI_LOG
-#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
-#define TPACPI_INFO KERN_INFO TPACPI_LOG
-#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
-
+#define TPACPI_EMERG KERN_EMERG TPACPI_LOG
+#define TPACPI_ALERT KERN_ALERT TPACPI_LOG
+#define TPACPI_CRIT KERN_CRIT TPACPI_LOG
+#define TPACPI_ERR KERN_ERR TPACPI_LOG
+#define TPACPI_WARN KERN_WARNING TPACPI_LOG
+#define TPACPI_NOTICE KERN_NOTICE TPACPI_LOG
+#define TPACPI_INFO KERN_INFO TPACPI_LOG
+#define TPACPI_DEBUG KERN_DEBUG TPACPI_LOG
+
+/* Debugging printk groups */
#define TPACPI_DBG_ALL 0xffff
+#define TPACPI_DBG_DISCLOSETASK 0x8000
#define TPACPI_DBG_INIT 0x0001
#define TPACPI_DBG_EXIT 0x0002
-#define dbg_printk(a_dbg_level, format, arg...) \
- do { if (dbg_level & a_dbg_level) \
- printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
- } while (0)
-#ifdef CONFIG_THINKPAD_ACPI_DEBUG
-#define vdbg_printk(a_dbg_level, format, arg...) \
- dbg_printk(a_dbg_level, format, ## arg)
-static const char *str_supported(int is_supported);
-#else
-#define vdbg_printk(a_dbg_level, format, arg...)
-#endif
+#define TPACPI_DBG_RFKILL 0x0004
+#define TPACPI_DBG_HKEY 0x0008
+#define TPACPI_DBG_FAN 0x0010
+#define TPACPI_DBG_BRGHT 0x0020
#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off")
#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
void (*exit) (void);
void (*resume) (void);
void (*suspend) (pm_message_t state);
+ void (*shutdown) (void);
struct list_head all_drivers;
};
static struct {
-#ifdef CONFIG_THINKPAD_ACPI_BAY
- u32 bay_status:1;
- u32 bay_eject:1;
- u32 bay_status2:1;
- u32 bay_eject2:1;
-#endif
u32 bluetooth:1;
u32 hotkey:1;
u32 hotkey_mask:1;
u32 bright_16levels:1;
u32 bright_acpimode:1;
u32 wan:1;
+ u32 uwb:1;
u32 fan_ctrl_status_undef:1;
+ u32 second_fan:1;
+ u32 beep_needs_two_args:1;
u32 input_device_registered:1;
u32 platform_drv_registered:1;
u32 platform_drv_attrs_registered:1;
static struct {
u16 hotkey_mask_ff:1;
- u16 bright_cmos_ec_unsync:1;
} tp_warned;
struct thinkpad_id_data {
char *bios_version_str; /* Something like 1ZET51WW (1.03z) */
char *ec_version_str; /* Something like 1ZHT51WW-1.04a */
- u16 bios_model; /* Big Endian, TP-1Y = 0x5931, 0 = unknown */
+ u16 bios_model; /* 1Y = 0x5931, 0 = unknown */
u16 ec_model;
+ u16 bios_release; /* 1ZETK1WW = 0x314b, 0 = unknown */
+ u16 ec_release;
char *model_str; /* ThinkPad T43 */
char *nummodel_str; /* 9384A9C for a 9384-A9C model */
static struct workqueue_struct *tpacpi_wq;
+enum led_status_t {
+ TPACPI_LED_OFF = 0,
+ TPACPI_LED_ON,
+ TPACPI_LED_BLINK,
+};
+
/* Special LED class that can defer work */
struct tpacpi_led_classdev {
struct led_classdev led_classdev;
struct work_struct work;
- enum led_brightness new_brightness;
+ enum led_status_t new_state;
unsigned int led;
};
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+static int dbg_wlswemul;
+static int tpacpi_wlsw_emulstate;
+static int dbg_bluetoothemul;
+static int tpacpi_bluetooth_emulstate;
+static int dbg_wwanemul;
+static int tpacpi_wwan_emulstate;
+static int dbg_uwbemul;
+static int tpacpi_uwb_emulstate;
+#endif
+
+
+/*************************************************************************
+ * Debugging helpers
+ */
+
+#define dbg_printk(a_dbg_level, format, arg...) \
+ do { if (dbg_level & (a_dbg_level)) \
+ printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
+ } while (0)
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUG
+#define vdbg_printk dbg_printk
+static const char *str_supported(int is_supported);
+#else
+#define vdbg_printk(a_dbg_level, format, arg...) \
+ do { } while (0)
+#endif
+
+static void tpacpi_log_usertask(const char * const what)
+{
+ printk(TPACPI_DEBUG "%s: access by process with PID %d\n",
+ what, task_tgid_vnr(current));
+}
+
+#define tpacpi_disclose_usertask(what, format, arg...) \
+ do { \
+ if (unlikely( \
+ (dbg_level & TPACPI_DBG_DISCLOSETASK) && \
+ (tpacpi_lifecycle == TPACPI_LIFE_RUNNING))) { \
+ printk(TPACPI_DEBUG "%s: PID %d: " format, \
+ what, task_tgid_vnr(current), ## arg); \
+ } \
+ } while (0)
+
+/*
+ * Quirk handling helpers
+ *
+ * ThinkPad IDs and versions seen in the field so far
+ * are two-characters from the set [0-9A-Z], i.e. base 36.
+ *
+ * We use values well outside that range as specials.
+ */
+
+#define TPACPI_MATCH_ANY 0xffffU
+#define TPACPI_MATCH_UNKNOWN 0U
+
+/* TPID('1', 'Y') == 0x5931 */
+#define TPID(__c1, __c2) (((__c2) << 8) | (__c1))
+
+#define TPACPI_Q_IBM(__id1, __id2, __quirk) \
+ { .vendor = PCI_VENDOR_ID_IBM, \
+ .bios = TPID(__id1, __id2), \
+ .ec = TPACPI_MATCH_ANY, \
+ .quirks = (__quirk) }
+
+#define TPACPI_Q_LNV(__id1, __id2, __quirk) \
+ { .vendor = PCI_VENDOR_ID_LENOVO, \
+ .bios = TPID(__id1, __id2), \
+ .ec = TPACPI_MATCH_ANY, \
+ .quirks = (__quirk) }
+
+struct tpacpi_quirk {
+ unsigned int vendor;
+ u16 bios;
+ u16 ec;
+ unsigned long quirks;
+};
+
+/**
+ * tpacpi_check_quirks() - search BIOS/EC version on a list
+ * @qlist: array of &struct tpacpi_quirk
+ * @qlist_size: number of elements in @qlist
+ *
+ * Iterates over a quirks list until one is found that matches the
+ * ThinkPad's vendor, BIOS and EC model.
+ *
+ * Returns 0 if nothing matches, otherwise returns the quirks field of
+ * the matching &struct tpacpi_quirk entry.
+ *
+ * The match criteria is: vendor, ec and bios much match.
+ */
+static unsigned long __init tpacpi_check_quirks(
+ const struct tpacpi_quirk *qlist,
+ unsigned int qlist_size)
+{
+ while (qlist_size) {
+ if ((qlist->vendor == thinkpad_id.vendor ||
+ qlist->vendor == TPACPI_MATCH_ANY) &&
+ (qlist->bios == thinkpad_id.bios_model ||
+ qlist->bios == TPACPI_MATCH_ANY) &&
+ (qlist->ec == thinkpad_id.ec_model ||
+ qlist->ec == TPACPI_MATCH_ANY))
+ return qlist->quirks;
+
+ qlist_size--;
+ qlist++;
+ }
+ return 0;
+}
+
+
/****************************************************************************
****************************************************************************
*
return 1;
}
-#if defined(CONFIG_THINKPAD_ACPI_DOCK) || defined(CONFIG_THINKPAD_ACPI_BAY)
-static int _sta(acpi_handle handle)
-{
- int status;
-
- if (!handle || !acpi_evalf(handle, &status, "_STA", "d"))
- status = 0;
-
- return status;
-}
-#endif
-
static int issue_thinkpad_cmos_command(int cmos_cmd)
{
if (!cmos_handle)
if (!ibm || !ibm->write)
return -EINVAL;
+ if (count > PAGE_SIZE - 2)
+ return -EINVAL;
kernbuf = kmalloc(count + 2, GFP_KERNEL);
if (!kernbuf)
return 0;
}
+static void tpacpi_shutdown_handler(struct platform_device *pdev)
+{
+ struct ibm_struct *ibm, *itmp;
+
+ list_for_each_entry_safe(ibm, itmp,
+ &tpacpi_all_drivers,
+ all_drivers) {
+ if (ibm->shutdown)
+ (ibm->shutdown)();
+ }
+}
+
static struct platform_driver tpacpi_pdriver = {
.driver = {
.name = TPACPI_DRVR_NAME,
},
.suspend = tpacpi_suspend_handler,
.resume = tpacpi_resume_handler,
+ .shutdown = tpacpi_shutdown_handler,
};
static struct platform_driver tpacpi_hwmon_pdriver = {
return 0;
}
-static int __init tpacpi_new_rfkill(const unsigned int id,
- struct rfkill **rfk,
+static void printk_deprecated_attribute(const char * const what,
+ const char * const details)
+{
+ tpacpi_log_usertask("deprecated sysfs attribute");
+ printk(TPACPI_WARN "WARNING: sysfs attribute %s is deprecated and "
+ "will be removed. %s\n",
+ what, details);
+}
+
+/*************************************************************************
+ * rfkill and radio control support helpers
+ */
+
+/*
+ * ThinkPad-ACPI firmware handling model:
+ *
+ * WLSW (master wireless switch) is event-driven, and is common to all
+ * firmware-controlled radios. It cannot be controlled, just monitored,
+ * as expected. It overrides all radio state in firmware
+ *
+ * The kernel, a masked-off hotkey, and WLSW can change the radio state
+ * (TODO: verify how WLSW interacts with the returned radio state).
+ *
+ * The only time there are shadow radio state changes, is when
+ * masked-off hotkeys are used.
+ */
+
+/*
+ * Internal driver API for radio state:
+ *
+ * int: < 0 = error, otherwise enum tpacpi_rfkill_state
+ * bool: true means radio blocked (off)
+ */
+enum tpacpi_rfkill_state {
+ TPACPI_RFK_RADIO_OFF = 0,
+ TPACPI_RFK_RADIO_ON
+};
+
+/* rfkill switches */
+enum tpacpi_rfk_id {
+ TPACPI_RFK_BLUETOOTH_SW_ID = 0,
+ TPACPI_RFK_WWAN_SW_ID,
+ TPACPI_RFK_UWB_SW_ID,
+ TPACPI_RFK_SW_MAX
+};
+
+static const char *tpacpi_rfkill_names[] = {
+ [TPACPI_RFK_BLUETOOTH_SW_ID] = "bluetooth",
+ [TPACPI_RFK_WWAN_SW_ID] = "wwan",
+ [TPACPI_RFK_UWB_SW_ID] = "uwb",
+ [TPACPI_RFK_SW_MAX] = NULL
+};
+
+/* ThinkPad-ACPI rfkill subdriver */
+struct tpacpi_rfk {
+ struct rfkill *rfkill;
+ enum tpacpi_rfk_id id;
+ const struct tpacpi_rfk_ops *ops;
+};
+
+struct tpacpi_rfk_ops {
+ /* firmware interface */
+ int (*get_status)(void);
+ int (*set_status)(const enum tpacpi_rfkill_state);
+};
+
+static struct tpacpi_rfk *tpacpi_rfkill_switches[TPACPI_RFK_SW_MAX];
+
+/* Query FW and update rfkill sw state for a given rfkill switch */
+static int tpacpi_rfk_update_swstate(const struct tpacpi_rfk *tp_rfk)
+{
+ int status;
+
+ if (!tp_rfk)
+ return -ENODEV;
+
+ status = (tp_rfk->ops->get_status)();
+ if (status < 0)
+ return status;
+
+ rfkill_set_sw_state(tp_rfk->rfkill,
+ (status == TPACPI_RFK_RADIO_OFF));
+
+ return status;
+}
+
+/* Query FW and update rfkill sw state for all rfkill switches */
+static void tpacpi_rfk_update_swstate_all(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < TPACPI_RFK_SW_MAX; i++)
+ tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[i]);
+}
+
+/*
+ * Sync the HW-blocking state of all rfkill switches,
+ * do notice it causes the rfkill core to schedule uevents
+ */
+static void tpacpi_rfk_update_hwblock_state(bool blocked)
+{
+ unsigned int i;
+ struct tpacpi_rfk *tp_rfk;
+
+ for (i = 0; i < TPACPI_RFK_SW_MAX; i++) {
+ tp_rfk = tpacpi_rfkill_switches[i];
+ if (tp_rfk) {
+ if (rfkill_set_hw_state(tp_rfk->rfkill,
+ blocked)) {
+ /* ignore -- we track sw block */
+ }
+ }
+ }
+}
+
+/* Call to get the WLSW state from the firmware */
+static int hotkey_get_wlsw(void);
+
+/* Call to query WLSW state and update all rfkill switches */
+static bool tpacpi_rfk_check_hwblock_state(void)
+{
+ int res = hotkey_get_wlsw();
+ int hw_blocked;
+
+ /* When unknown or unsupported, we have to assume it is unblocked */
+ if (res < 0)
+ return false;
+
+ hw_blocked = (res == TPACPI_RFK_RADIO_OFF);
+ tpacpi_rfk_update_hwblock_state(hw_blocked);
+
+ return hw_blocked;
+}
+
+static int tpacpi_rfk_hook_set_block(void *data, bool blocked)
+{
+ struct tpacpi_rfk *tp_rfk = data;
+ int res;
+
+ dbg_printk(TPACPI_DBG_RFKILL,
+ "request to change radio state to %s\n",
+ blocked ? "blocked" : "unblocked");
+
+ /* try to set radio state */
+ res = (tp_rfk->ops->set_status)(blocked ?
+ TPACPI_RFK_RADIO_OFF : TPACPI_RFK_RADIO_ON);
+
+ /* and update the rfkill core with whatever the FW really did */
+ tpacpi_rfk_update_swstate(tp_rfk);
+
+ return (res < 0) ? res : 0;
+}
+
+static const struct rfkill_ops tpacpi_rfk_rfkill_ops = {
+ .set_block = tpacpi_rfk_hook_set_block,
+};
+
+static int __init tpacpi_new_rfkill(const enum tpacpi_rfk_id id,
+ const struct tpacpi_rfk_ops *tp_rfkops,
const enum rfkill_type rfktype,
const char *name,
- int (*toggle_radio)(void *, enum rfkill_state),
- int (*get_state)(void *, enum rfkill_state *))
+ const bool set_default)
{
+ struct tpacpi_rfk *atp_rfk;
int res;
- enum rfkill_state initial_state;
-
- *rfk = rfkill_allocate(&tpacpi_pdev->dev, rfktype);
- if (!*rfk) {
+ bool sw_state = false;
+ int sw_status;
+
+ BUG_ON(id >= TPACPI_RFK_SW_MAX || tpacpi_rfkill_switches[id]);
+
+ atp_rfk = kzalloc(sizeof(struct tpacpi_rfk), GFP_KERNEL);
+ if (atp_rfk)
+ atp_rfk->rfkill = rfkill_alloc(name,
+ &tpacpi_pdev->dev,
+ rfktype,
+ &tpacpi_rfk_rfkill_ops,
+ atp_rfk);
+ if (!atp_rfk || !atp_rfk->rfkill) {
printk(TPACPI_ERR
"failed to allocate memory for rfkill class\n");
+ kfree(atp_rfk);
return -ENOMEM;
}
- (*rfk)->name = name;
- (*rfk)->get_state = get_state;
- (*rfk)->toggle_radio = toggle_radio;
+ atp_rfk->id = id;
+ atp_rfk->ops = tp_rfkops;
- if (!get_state(NULL, &initial_state))
- (*rfk)->state = initial_state;
+ sw_status = (tp_rfkops->get_status)();
+ if (sw_status < 0) {
+ printk(TPACPI_ERR
+ "failed to read initial state for %s, error %d\n",
+ name, sw_status);
+ } else {
+ sw_state = (sw_status == TPACPI_RFK_RADIO_OFF);
+ if (set_default) {
+ /* try to keep the initial state, since we ask the
+ * firmware to preserve it across S5 in NVRAM */
+ rfkill_init_sw_state(atp_rfk->rfkill, sw_state);
+ }
+ }
+ rfkill_set_hw_state(atp_rfk->rfkill, tpacpi_rfk_check_hwblock_state());
- res = rfkill_register(*rfk);
+ res = rfkill_register(atp_rfk->rfkill);
if (res < 0) {
printk(TPACPI_ERR
"failed to register %s rfkill switch: %d\n",
name, res);
- rfkill_free(*rfk);
- *rfk = NULL;
+ rfkill_destroy(atp_rfk->rfkill);
+ kfree(atp_rfk);
return res;
}
+ tpacpi_rfkill_switches[id] = atp_rfk;
return 0;
}
+static void tpacpi_destroy_rfkill(const enum tpacpi_rfk_id id)
+{
+ struct tpacpi_rfk *tp_rfk;
+
+ BUG_ON(id >= TPACPI_RFK_SW_MAX);
+
+ tp_rfk = tpacpi_rfkill_switches[id];
+ if (tp_rfk) {
+ rfkill_unregister(tp_rfk->rfkill);
+ rfkill_destroy(tp_rfk->rfkill);
+ tpacpi_rfkill_switches[id] = NULL;
+ kfree(tp_rfk);
+ }
+}
+
+static void printk_deprecated_rfkill_attribute(const char * const what)
+{
+ printk_deprecated_attribute(what,
+ "Please switch to generic rfkill before year 2010");
+}
+
+/* sysfs <radio> enable ------------------------------------------------ */
+static ssize_t tpacpi_rfk_sysfs_enable_show(const enum tpacpi_rfk_id id,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int status;
+
+ printk_deprecated_rfkill_attribute(attr->attr.name);
+
+ /* This is in the ABI... */
+ if (tpacpi_rfk_check_hwblock_state()) {
+ status = TPACPI_RFK_RADIO_OFF;
+ } else {
+ status = tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[id]);
+ if (status < 0)
+ return status;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ (status == TPACPI_RFK_RADIO_ON) ? 1 : 0);
+}
+
+static ssize_t tpacpi_rfk_sysfs_enable_store(const enum tpacpi_rfk_id id,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+ int res;
+
+ printk_deprecated_rfkill_attribute(attr->attr.name);
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ tpacpi_disclose_usertask(attr->attr.name, "set to %ld\n", t);
+
+ /* This is in the ABI... */
+ if (tpacpi_rfk_check_hwblock_state() && !!t)
+ return -EPERM;
+
+ res = tpacpi_rfkill_switches[id]->ops->set_status((!!t) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF);
+ tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[id]);
+
+ return (res < 0) ? res : count;
+}
+
+/* procfs -------------------------------------------------------------- */
+static int tpacpi_rfk_procfs_read(const enum tpacpi_rfk_id id, char *p)
+{
+ int len = 0;
+
+ if (id >= TPACPI_RFK_SW_MAX)
+ len += sprintf(p + len, "status:\t\tnot supported\n");
+ else {
+ int status;
+
+ /* This is in the ABI... */
+ if (tpacpi_rfk_check_hwblock_state()) {
+ status = TPACPI_RFK_RADIO_OFF;
+ } else {
+ status = tpacpi_rfk_update_swstate(
+ tpacpi_rfkill_switches[id]);
+ if (status < 0)
+ return status;
+ }
+
+ len += sprintf(p + len, "status:\t\t%s\n",
+ (status == TPACPI_RFK_RADIO_ON) ?
+ "enabled" : "disabled");
+ len += sprintf(p + len, "commands:\tenable, disable\n");
+ }
+
+ return len;
+}
+
+static int tpacpi_rfk_procfs_write(const enum tpacpi_rfk_id id, char *buf)
+{
+ char *cmd;
+ int status = -1;
+ int res = 0;
+
+ if (id >= TPACPI_RFK_SW_MAX)
+ return -ENODEV;
+
+ while ((cmd = next_cmd(&buf))) {
+ if (strlencmp(cmd, "enable") == 0)
+ status = TPACPI_RFK_RADIO_ON;
+ else if (strlencmp(cmd, "disable") == 0)
+ status = TPACPI_RFK_RADIO_OFF;
+ else
+ return -EINVAL;
+ }
+
+ if (status != -1) {
+ tpacpi_disclose_usertask("procfs", "attempt to %s %s\n",
+ (status == TPACPI_RFK_RADIO_ON) ?
+ "enable" : "disable",
+ tpacpi_rfkill_names[id]);
+ res = (tpacpi_rfkill_switches[id]->ops->set_status)(status);
+ tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[id]);
+ }
+
+ return res;
+}
+
/*************************************************************************
* thinkpad-acpi driver attributes
*/
/* --------------------------------------------------------------------- */
-static struct driver_attribute *tpacpi_driver_attributes[] = {
- &driver_attr_debug_level, &driver_attr_version,
- &driver_attr_interface_version,
-};
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
-static int __init tpacpi_create_driver_attributes(struct device_driver *drv)
+/* wlsw_emulstate ------------------------------------------------------ */
+static ssize_t tpacpi_driver_wlsw_emulstate_show(struct device_driver *drv,
+ char *buf)
{
- int i, res;
-
- i = 0;
- res = 0;
- while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) {
- res = driver_create_file(drv, tpacpi_driver_attributes[i]);
- i++;
- }
-
- return res;
+ return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wlsw_emulstate);
}
-static void tpacpi_remove_driver_attributes(struct device_driver *drv)
+static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ if (tpacpi_wlsw_emulstate != !!t) {
+ tpacpi_wlsw_emulstate = !!t;
+ tpacpi_rfk_update_hwblock_state(!t); /* negative logic */
+ }
+
+ return count;
+}
+
+static DRIVER_ATTR(wlsw_emulstate, S_IWUSR | S_IRUGO,
+ tpacpi_driver_wlsw_emulstate_show,
+ tpacpi_driver_wlsw_emulstate_store);
+
+/* bluetooth_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_bluetooth_emulstate_show(
+ struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_bluetooth_emulstate);
+}
+
+static ssize_t tpacpi_driver_bluetooth_emulstate_store(
+ struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ tpacpi_bluetooth_emulstate = !!t;
+
+ return count;
+}
+
+static DRIVER_ATTR(bluetooth_emulstate, S_IWUSR | S_IRUGO,
+ tpacpi_driver_bluetooth_emulstate_show,
+ tpacpi_driver_bluetooth_emulstate_store);
+
+/* wwan_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_wwan_emulstate_show(
+ struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wwan_emulstate);
+}
+
+static ssize_t tpacpi_driver_wwan_emulstate_store(
+ struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ tpacpi_wwan_emulstate = !!t;
+
+ return count;
+}
+
+static DRIVER_ATTR(wwan_emulstate, S_IWUSR | S_IRUGO,
+ tpacpi_driver_wwan_emulstate_show,
+ tpacpi_driver_wwan_emulstate_store);
+
+/* uwb_emulstate ------------------------------------------------- */
+static ssize_t tpacpi_driver_uwb_emulstate_show(
+ struct device_driver *drv,
+ char *buf)
+{
+ return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_uwb_emulstate);
+}
+
+static ssize_t tpacpi_driver_uwb_emulstate_store(
+ struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ unsigned long t;
+
+ if (parse_strtoul(buf, 1, &t))
+ return -EINVAL;
+
+ tpacpi_uwb_emulstate = !!t;
+
+ return count;
+}
+
+static DRIVER_ATTR(uwb_emulstate, S_IWUSR | S_IRUGO,
+ tpacpi_driver_uwb_emulstate_show,
+ tpacpi_driver_uwb_emulstate_store);
+#endif
+
+/* --------------------------------------------------------------------- */
+
+static struct driver_attribute *tpacpi_driver_attributes[] = {
+ &driver_attr_debug_level, &driver_attr_version,
+ &driver_attr_interface_version,
+};
+
+static int __init tpacpi_create_driver_attributes(struct device_driver *drv)
+{
+ int i, res;
+
+ i = 0;
+ res = 0;
+ while (!res && i < ARRAY_SIZE(tpacpi_driver_attributes)) {
+ res = driver_create_file(drv, tpacpi_driver_attributes[i]);
+ i++;
+ }
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (!res && dbg_wlswemul)
+ res = driver_create_file(drv, &driver_attr_wlsw_emulstate);
+ if (!res && dbg_bluetoothemul)
+ res = driver_create_file(drv, &driver_attr_bluetooth_emulstate);
+ if (!res && dbg_wwanemul)
+ res = driver_create_file(drv, &driver_attr_wwan_emulstate);
+ if (!res && dbg_uwbemul)
+ res = driver_create_file(drv, &driver_attr_uwb_emulstate);
+#endif
+
+ return res;
+}
+
+static void tpacpi_remove_driver_attributes(struct device_driver *drv)
{
int i;
for (i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
driver_remove_file(drv, tpacpi_driver_attributes[i]);
+
+#ifdef THINKPAD_ACPI_DEBUGFACILITIES
+ driver_remove_file(drv, &driver_attr_wlsw_emulstate);
+ driver_remove_file(drv, &driver_attr_bluetooth_emulstate);
+ driver_remove_file(drv, &driver_attr_wwan_emulstate);
+ driver_remove_file(drv, &driver_attr_uwb_emulstate);
+#endif
+}
+
+/*************************************************************************
+ * Firmware Data
+ */
+
+/*
+ * Table of recommended minimum BIOS versions
+ *
+ * Reasons for listing:
+ * 1. Stable BIOS, listed because the unknown ammount of
+ * bugs and bad ACPI behaviour on older versions
+ *
+ * 2. BIOS or EC fw with known bugs that trigger on Linux
+ *
+ * 3. BIOS with known reduced functionality in older versions
+ *
+ * We recommend the latest BIOS and EC version.
+ * We only support the latest BIOS and EC fw version as a rule.
+ *
+ * Sources: IBM ThinkPad Public Web Documents (update changelogs),
+ * Information from users in ThinkWiki
+ *
+ * WARNING: we use this table also to detect that the machine is
+ * a ThinkPad in some cases, so don't remove entries lightly.
+ */
+
+#define TPV_Q(__v, __id1, __id2, __bv1, __bv2) \
+ { .vendor = (__v), \
+ .bios = TPID(__id1, __id2), \
+ .ec = TPACPI_MATCH_ANY, \
+ .quirks = TPACPI_MATCH_ANY << 16 \
+ | (__bv1) << 8 | (__bv2) }
+
+#define TPV_Q_X(__v, __bid1, __bid2, __bv1, __bv2, \
+ __eid1, __eid2, __ev1, __ev2) \
+ { .vendor = (__v), \
+ .bios = TPID(__bid1, __bid2), \
+ .ec = TPID(__eid1, __eid2), \
+ .quirks = (__ev1) << 24 | (__ev2) << 16 \
+ | (__bv1) << 8 | (__bv2) }
+
+#define TPV_QI0(__id1, __id2, __bv1, __bv2) \
+ TPV_Q(PCI_VENDOR_ID_IBM, __id1, __id2, __bv1, __bv2)
+
+#define TPV_QI1(__id1, __id2, __bv1, __bv2, __ev1, __ev2) \
+ TPV_Q_X(PCI_VENDOR_ID_IBM, __id1, __id2, \
+ __bv1, __bv2, __id1, __id2, __ev1, __ev2)
+
+#define TPV_QI2(__bid1, __bid2, __bv1, __bv2, \
+ __eid1, __eid2, __ev1, __ev2) \
+ TPV_Q_X(PCI_VENDOR_ID_IBM, __bid1, __bid2, \
+ __bv1, __bv2, __eid1, __eid2, __ev1, __ev2)
+
+#define TPV_QL0(__id1, __id2, __bv1, __bv2) \
+ TPV_Q(PCI_VENDOR_ID_LENOVO, __id1, __id2, __bv1, __bv2)
+
+#define TPV_QL1(__id1, __id2, __bv1, __bv2, __ev1, __ev2) \
+ TPV_Q_X(PCI_VENDOR_ID_LENOVO, __id1, __id2, \
+ __bv1, __bv2, __id1, __id2, __ev1, __ev2)
+
+#define TPV_QL2(__bid1, __bid2, __bv1, __bv2, \
+ __eid1, __eid2, __ev1, __ev2) \
+ TPV_Q_X(PCI_VENDOR_ID_LENOVO, __bid1, __bid2, \
+ __bv1, __bv2, __eid1, __eid2, __ev1, __ev2)
+
+static const struct tpacpi_quirk tpacpi_bios_version_qtable[] __initconst = {
+ /* Numeric models ------------------ */
+ /* FW MODEL BIOS VERS */
+ TPV_QI0('I', 'M', '6', '5'), /* 570 */
+ TPV_QI0('I', 'U', '2', '6'), /* 570E */
+ TPV_QI0('I', 'B', '5', '4'), /* 600 */
+ TPV_QI0('I', 'H', '4', '7'), /* 600E */
+ TPV_QI0('I', 'N', '3', '6'), /* 600E */
+ TPV_QI0('I', 'T', '5', '5'), /* 600X */
+ TPV_QI0('I', 'D', '4', '8'), /* 770, 770E, 770ED */
+ TPV_QI0('I', 'I', '4', '2'), /* 770X */
+ TPV_QI0('I', 'O', '2', '3'), /* 770Z */
+
+ /* A-series ------------------------- */
+ /* FW MODEL BIOS VERS EC VERS */
+ TPV_QI0('I', 'W', '5', '9'), /* A20m */
+ TPV_QI0('I', 'V', '6', '9'), /* A20p */
+ TPV_QI0('1', '0', '2', '6'), /* A21e, A22e */
+ TPV_QI0('K', 'U', '3', '6'), /* A21e */
+ TPV_QI0('K', 'X', '3', '6'), /* A21m, A22m */
+ TPV_QI0('K', 'Y', '3', '8'), /* A21p, A22p */
+ TPV_QI0('1', 'B', '1', '7'), /* A22e */
+ TPV_QI0('1', '3', '2', '0'), /* A22m */
+ TPV_QI0('1', 'E', '7', '3'), /* A30/p (0) */
+ TPV_QI1('1', 'G', '4', '1', '1', '7'), /* A31/p (0) */
+ TPV_QI1('1', 'N', '1', '6', '0', '7'), /* A31/p (0) */
+
+ /* G-series ------------------------- */
+ /* FW MODEL BIOS VERS */
+ TPV_QI0('1', 'T', 'A', '6'), /* G40 */
+ TPV_QI0('1', 'X', '5', '7'), /* G41 */
+
+ /* R-series, T-series --------------- */
+ /* FW MODEL BIOS VERS EC VERS */
+ TPV_QI0('1', 'C', 'F', '0'), /* R30 */
+ TPV_QI0('1', 'F', 'F', '1'), /* R31 */
+ TPV_QI0('1', 'M', '9', '7'), /* R32 */
+ TPV_QI0('1', 'O', '6', '1'), /* R40 */
+ TPV_QI0('1', 'P', '6', '5'), /* R40 */
+ TPV_QI0('1', 'S', '7', '0'), /* R40e */
+ TPV_QI1('1', 'R', 'D', 'R', '7', '1'), /* R50/p, R51,
+ T40/p, T41/p, T42/p (1) */
+ TPV_QI1('1', 'V', '7', '1', '2', '8'), /* R50e, R51 (1) */
+ TPV_QI1('7', '8', '7', '1', '0', '6'), /* R51e (1) */
+ TPV_QI1('7', '6', '6', '9', '1', '6'), /* R52 (1) */
+ TPV_QI1('7', '0', '6', '9', '2', '8'), /* R52, T43 (1) */
+
+ TPV_QI0('I', 'Y', '6', '1'), /* T20 */
+ TPV_QI0('K', 'Z', '3', '4'), /* T21 */
+ TPV_QI0('1', '6', '3', '2'), /* T22 */
+ TPV_QI1('1', 'A', '6', '4', '2', '3'), /* T23 (0) */
+ TPV_QI1('1', 'I', '7', '1', '2', '0'), /* T30 (0) */
+ TPV_QI1('1', 'Y', '6', '5', '2', '9'), /* T43/p (1) */
+
+ TPV_QL1('7', '9', 'E', '3', '5', '0'), /* T60/p */
+ TPV_QL1('7', 'C', 'D', '2', '2', '2'), /* R60, R60i */
+ TPV_QL0('7', 'E', 'D', '0'), /* R60e, R60i */
+
+ /* BIOS FW BIOS VERS EC FW EC VERS */
+ TPV_QI2('1', 'W', '9', '0', '1', 'V', '2', '8'), /* R50e (1) */
+ TPV_QL2('7', 'I', '3', '4', '7', '9', '5', '0'), /* T60/p wide */
+
+ /* X-series ------------------------- */
+ /* FW MODEL BIOS VERS EC VERS */
+ TPV_QI0('I', 'Z', '9', 'D'), /* X20, X21 */
+ TPV_QI0('1', 'D', '7', '0'), /* X22, X23, X24 */
+ TPV_QI1('1', 'K', '4', '8', '1', '8'), /* X30 (0) */
+ TPV_QI1('1', 'Q', '9', '7', '2', '3'), /* X31, X32 (0) */
+ TPV_QI1('1', 'U', 'D', '3', 'B', '2'), /* X40 (0) */
+ TPV_QI1('7', '4', '6', '4', '2', '7'), /* X41 (0) */
+ TPV_QI1('7', '5', '6', '0', '2', '0'), /* X41t (0) */
+
+ TPV_QL0('7', 'B', 'D', '7'), /* X60/s */
+ TPV_QL0('7', 'J', '3', '0'), /* X60t */
+
+ /* (0) - older versions lack DMI EC fw string and functionality */
+ /* (1) - older versions known to lack functionality */
+};
+
+#undef TPV_QL1
+#undef TPV_QL0
+#undef TPV_QI2
+#undef TPV_QI1
+#undef TPV_QI0
+#undef TPV_Q_X
+#undef TPV_Q
+
+static void __init tpacpi_check_outdated_fw(void)
+{
+ unsigned long fwvers;
+ u16 ec_version, bios_version;
+
+ fwvers = tpacpi_check_quirks(tpacpi_bios_version_qtable,
+ ARRAY_SIZE(tpacpi_bios_version_qtable));
+
+ if (!fwvers)
+ return;
+
+ bios_version = fwvers & 0xffffU;
+ ec_version = (fwvers >> 16) & 0xffffU;
+
+ /* note that unknown versions are set to 0x0000 and we use that */
+ if ((bios_version > thinkpad_id.bios_release) ||
+ (ec_version > thinkpad_id.ec_release &&
+ ec_version != TPACPI_MATCH_ANY)) {
+ /*
+ * The changelogs would let us track down the exact
+ * reason, but it is just too much of a pain to track
+ * it. We only list BIOSes that are either really
+ * broken, or really stable to begin with, so it is
+ * best if the user upgrades the firmware anyway.
+ */
+ printk(TPACPI_WARN
+ "WARNING: Outdated ThinkPad BIOS/EC firmware\n");
+ printk(TPACPI_WARN
+ "WARNING: This firmware may be missing critical bug "
+ "fixes and/or important features\n");
+ }
+}
+
+static bool __init tpacpi_is_fw_known(void)
+{
+ return tpacpi_check_quirks(tpacpi_bios_version_qtable,
+ ARRAY_SIZE(tpacpi_bios_version_qtable)) != 0;
}
/****************************************************************************
(thinkpad_id.nummodel_str) ?
thinkpad_id.nummodel_str : "unknown");
+ tpacpi_check_outdated_fw();
return 0;
}
* Hotkey subdriver
*/
+/*
+ * ThinkPad firmware event model
+ *
+ * The ThinkPad firmware has two main event interfaces: normal ACPI
+ * notifications (which follow the ACPI standard), and a private event
+ * interface.
+ *
+ * The private event interface also issues events for the hotkeys. As
+ * the driver gained features, the event handling code ended up being
+ * built around the hotkey subdriver. This will need to be refactored
+ * to a more formal event API eventually.
+ *
+ * Some "hotkeys" are actually supposed to be used as event reports,
+ * such as "brightness has changed", "volume has changed", depending on
+ * the ThinkPad model and how the firmware is operating.
+ *
+ * Unlike other classes, hotkey-class events have mask/unmask control on
+ * non-ancient firmware. However, how it behaves changes a lot with the
+ * firmware model and version.
+ */
+
enum { /* hot key scan codes (derived from ACPI DSDT) */
TP_ACPI_HOTKEYSCAN_FNF1 = 0,
TP_ACPI_HOTKEYSCAN_FNF2,
TP_ACPI_HOTKEYSCAN_THINKPAD,
};
-enum { /* Keys available through NVRAM polling */
+enum { /* Keys/events available through NVRAM polling */
TPACPI_HKEY_NVRAM_KNOWN_MASK = 0x00fb88c0U,
TPACPI_HKEY_NVRAM_GOOD_MASK = 0x00fb8000U,
};
u8 volume_level;
};
+/* kthread for the hotkey poller */
static struct task_struct *tpacpi_hotkey_task;
-static u32 hotkey_source_mask; /* bit mask 0=ACPI,1=NVRAM */
-static int hotkey_poll_freq = 10; /* Hz */
+
+/* Acquired while the poller kthread is running, use to sync start/stop */
static struct mutex hotkey_thread_mutex;
+
+/*
+ * Acquire mutex to write poller control variables as an
+ * atomic block.
+ *
+ * Increment hotkey_config_change when changing them if you
+ * want the kthread to forget old state.
+ *
+ * See HOTKEY_CONFIG_CRITICAL_START/HOTKEY_CONFIG_CRITICAL_END
+ */
static struct mutex hotkey_thread_data_mutex;
static unsigned int hotkey_config_change;
+/*
+ * hotkey poller control variables
+ *
+ * Must be atomic or readers will also need to acquire mutex
+ *
+ * HOTKEY_CONFIG_CRITICAL_START/HOTKEY_CONFIG_CRITICAL_END
+ * should be used only when the changes need to be taken as
+ * a block, OR when one needs to force the kthread to forget
+ * old state.
+ */
+static u32 hotkey_source_mask; /* bit mask 0=ACPI,1=NVRAM */
+static unsigned int hotkey_poll_freq = 10; /* Hz */
+
+#define HOTKEY_CONFIG_CRITICAL_START \
+ do { \
+ mutex_lock(&hotkey_thread_data_mutex); \
+ hotkey_config_change++; \
+ } while (0);
+#define HOTKEY_CONFIG_CRITICAL_END \
+ mutex_unlock(&hotkey_thread_data_mutex);
+
#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
#define hotkey_source_mask 0U
+#define HOTKEY_CONFIG_CRITICAL_START
+#define HOTKEY_CONFIG_CRITICAL_END
#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
static int hotkey_autosleep_ack;
-static int hotkey_orig_status;
-static u32 hotkey_orig_mask;
-static u32 hotkey_all_mask;
-static u32 hotkey_reserved_mask;
-static u32 hotkey_mask;
+static u32 hotkey_orig_mask; /* events the BIOS had enabled */
+static u32 hotkey_all_mask; /* all events supported in fw */
+static u32 hotkey_reserved_mask; /* events better left disabled */
+static u32 hotkey_driver_mask; /* events needed by the driver */
+static u32 hotkey_user_mask; /* events visible to userspace */
+static u32 hotkey_acpi_mask; /* events enabled in firmware */
static unsigned int hotkey_report_mode;
static struct attribute_set *hotkey_dev_attributes;
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
-#define HOTKEY_CONFIG_CRITICAL_START \
- do { \
- mutex_lock(&hotkey_thread_data_mutex); \
- hotkey_config_change++; \
- } while (0);
-#define HOTKEY_CONFIG_CRITICAL_END \
- mutex_unlock(&hotkey_thread_data_mutex);
-#else
-#define HOTKEY_CONFIG_CRITICAL_START
-#define HOTKEY_CONFIG_CRITICAL_END
-#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
+static void tpacpi_driver_event(const unsigned int hkey_event);
+static void hotkey_driver_event(const unsigned int scancode);
/* HKEY.MHKG() return bits */
#define TP_HOTKEY_TABLET_MASK (1 << 3)
-static int hotkey_get_wlsw(int *status)
+static int hotkey_get_wlsw(void)
{
- if (!acpi_evalf(hkey_handle, status, "WLSW", "d"))
+ int status;
+
+ if (!tp_features.hotkey_wlsw)
+ return -ENODEV;
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_wlswemul)
+ return (tpacpi_wlsw_emulstate) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
+#endif
+
+ if (!acpi_evalf(hkey_handle, &status, "WLSW", "d"))
return -EIO;
- return 0;
+
+ return (status) ? TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
}
static int hotkey_get_tablet_mode(int *status)
}
/*
+ * Reads current event mask from firmware, and updates
+ * hotkey_acpi_mask accordingly. Also resets any bits
+ * from hotkey_user_mask that are unavailable to be
+ * delivered (shadow requirement of the userspace ABI).
+ *
* Call with hotkey_mutex held
*/
static int hotkey_mask_get(void)
{
- u32 m = 0;
-
if (tp_features.hotkey_mask) {
+ u32 m = 0;
+
if (!acpi_evalf(hkey_handle, &m, "DHKN", "d"))
return -EIO;
+
+ hotkey_acpi_mask = m;
+ } else {
+ /* no mask support doesn't mean no event support... */
+ hotkey_acpi_mask = hotkey_all_mask;
}
- hotkey_mask = m | (hotkey_source_mask & hotkey_mask);
+
+ /* sync userspace-visible mask */
+ hotkey_user_mask &= (hotkey_acpi_mask | hotkey_source_mask);
return 0;
}
+void static hotkey_mask_warn_incomplete_mask(void)
+{
+ /* log only what the user can fix... */
+ const u32 wantedmask = hotkey_driver_mask &
+ ~(hotkey_acpi_mask | hotkey_source_mask) &
+ (hotkey_all_mask | TPACPI_HKEY_NVRAM_KNOWN_MASK);
+
+ if (wantedmask)
+ printk(TPACPI_NOTICE
+ "required events 0x%08x not enabled!\n",
+ wantedmask);
+}
+
/*
+ * Set the firmware mask when supported
+ *
+ * Also calls hotkey_mask_get to update hotkey_acpi_mask.
+ *
+ * NOTE: does not set bits in hotkey_user_mask, but may reset them.
+ *
* Call with hotkey_mutex held
*/
static int hotkey_mask_set(u32 mask)
int i;
int rc = 0;
- if (tp_features.hotkey_mask) {
- if (!tp_warned.hotkey_mask_ff &&
- (mask == 0xffff || mask == 0xffffff ||
- mask == 0xffffffff)) {
- tp_warned.hotkey_mask_ff = 1;
- printk(TPACPI_NOTICE
- "setting the hotkey mask to 0x%08x is likely "
- "not the best way to go about it\n", mask);
- printk(TPACPI_NOTICE
- "please consider using the driver defaults, "
- "and refer to up-to-date thinkpad-acpi "
- "documentation\n");
- }
+ const u32 fwmask = mask & ~hotkey_source_mask;
- HOTKEY_CONFIG_CRITICAL_START
+ if (tp_features.hotkey_mask) {
for (i = 0; i < 32; i++) {
- u32 m = 1 << i;
- /* enable in firmware mask only keys not in NVRAM
- * mode, but enable the key in the cached hotkey_mask
- * regardless of mode, or the key will end up
- * disabled by hotkey_mask_get() */
if (!acpi_evalf(hkey_handle,
NULL, "MHKM", "vdd", i + 1,
- !!((mask & ~hotkey_source_mask) & m))) {
+ !!(mask & (1 << i)))) {
rc = -EIO;
break;
- } else {
- hotkey_mask = (hotkey_mask & ~m) | (mask & m);
}
}
- HOTKEY_CONFIG_CRITICAL_END
+ }
- /* hotkey_mask_get must be called unconditionally below */
- if (!hotkey_mask_get() && !rc &&
- (hotkey_mask & ~hotkey_source_mask) !=
- (mask & ~hotkey_source_mask)) {
- printk(TPACPI_NOTICE
- "requested hot key mask 0x%08x, but "
- "firmware forced it to 0x%08x\n",
- mask, hotkey_mask);
- }
- } else {
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
- HOTKEY_CONFIG_CRITICAL_START
- hotkey_mask = mask & hotkey_source_mask;
- HOTKEY_CONFIG_CRITICAL_END
- hotkey_mask_get();
- if (hotkey_mask != mask) {
- printk(TPACPI_NOTICE
- "requested hot key mask 0x%08x, "
- "forced to 0x%08x (NVRAM poll mask is "
- "0x%08x): no firmware mask support\n",
- mask, hotkey_mask, hotkey_source_mask);
- }
-#else
- hotkey_mask_get();
- rc = -ENXIO;
-#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
+ /*
+ * We *must* make an inconditional call to hotkey_mask_get to
+ * refresh hotkey_acpi_mask and update hotkey_user_mask
+ *
+ * Take the opportunity to also log when we cannot _enable_
+ * a given event.
+ */
+ if (!hotkey_mask_get() && !rc && (fwmask & ~hotkey_acpi_mask)) {
+ printk(TPACPI_NOTICE
+ "asked for hotkey mask 0x%08x, but "
+ "firmware forced it to 0x%08x\n",
+ fwmask, hotkey_acpi_mask);
+ }
+
+ hotkey_mask_warn_incomplete_mask();
+
+ return rc;
+}
+
+/*
+ * Sets hotkey_user_mask and tries to set the firmware mask
+ *
+ * Call with hotkey_mutex held
+ */
+static int hotkey_user_mask_set(const u32 mask)
+{
+ int rc;
+
+ /* Give people a chance to notice they are doing something that
+ * is bound to go boom on their users sooner or later */
+ if (!tp_warned.hotkey_mask_ff &&
+ (mask == 0xffff || mask == 0xffffff ||
+ mask == 0xffffffff)) {
+ tp_warned.hotkey_mask_ff = 1;
+ printk(TPACPI_NOTICE
+ "setting the hotkey mask to 0x%08x is likely "
+ "not the best way to go about it\n", mask);
+ printk(TPACPI_NOTICE
+ "please consider using the driver defaults, "
+ "and refer to up-to-date thinkpad-acpi "
+ "documentation\n");
+ }
+
+ /* Try to enable what the user asked for, plus whatever we need.
+ * this syncs everything but won't enable bits in hotkey_user_mask */
+ rc = hotkey_mask_set((mask | hotkey_driver_mask) & ~hotkey_source_mask);
+
+ /* Enable the available bits in hotkey_user_mask */
+ hotkey_user_mask = mask & (hotkey_acpi_mask | hotkey_source_mask);
+
+ return rc;
+}
+
+/*
+ * Sets the driver hotkey mask.
+ *
+ * Can be called even if the hotkey subdriver is inactive
+ */
+static int tpacpi_hotkey_driver_mask_set(const u32 mask)
+{
+ int rc;
+
+ /* Do the right thing if hotkey_init has not been called yet */
+ if (!tp_features.hotkey) {
+ hotkey_driver_mask = mask;
+ return 0;
}
+ mutex_lock(&hotkey_mutex);
+
+ HOTKEY_CONFIG_CRITICAL_START
+ hotkey_driver_mask = mask;
+#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
+ hotkey_source_mask |= (mask & ~hotkey_all_mask);
+#endif
+ HOTKEY_CONFIG_CRITICAL_END
+
+ rc = hotkey_mask_set((hotkey_acpi_mask | hotkey_driver_mask) &
+ ~hotkey_source_mask);
+ mutex_unlock(&hotkey_mutex);
+
return rc;
}
return 0;
}
-static int hotkey_status_set(int status)
+static int hotkey_status_set(bool enable)
{
- if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", status))
+ if (!acpi_evalf(hkey_handle, NULL, "MHKC", "vd", enable ? 1 : 0))
return -EIO;
return 0;
}
}
-static void tpacpi_input_send_key(unsigned int scancode)
+/* Do NOT call without validating scancode first */
+static void tpacpi_input_send_key(const unsigned int scancode)
{
- unsigned int keycode;
-
- keycode = hotkey_keycode_map[scancode];
+ const unsigned int keycode = hotkey_keycode_map[scancode];
if (keycode != KEY_RESERVED) {
mutex_lock(&tpacpi_inputdev_send_mutex);
}
}
+/* Do NOT call without validating scancode first */
+static void tpacpi_input_send_key_masked(const unsigned int scancode)
+{
+ hotkey_driver_event(scancode);
+ if (hotkey_user_mask & (1 << scancode))
+ tpacpi_input_send_key(scancode);
+}
+
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
static struct tp_acpi_drv_struct ibm_hotkey_acpidriver;
+/* Do NOT call without validating scancode first */
static void tpacpi_hotkey_send_key(unsigned int scancode)
{
- tpacpi_input_send_key(scancode);
+ tpacpi_input_send_key_masked(scancode);
if (hotkey_report_mode < 2) {
acpi_bus_generate_proc_event(ibm_hotkey_acpidriver.device,
- 0x80, 0x1001 + scancode);
+ 0x80, TP_HKEY_EV_HOTKEY_BASE + scancode);
}
}
-static void hotkey_read_nvram(struct tp_nvram_state *n, u32 m)
+static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
{
u8 d;
}
}
+static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ struct tp_nvram_state *newn,
+ const u32 event_mask)
+{
+
#define TPACPI_COMPARE_KEY(__scancode, __member) \
do { \
- if ((mask & (1 << __scancode)) && \
+ if ((event_mask & (1 << __scancode)) && \
oldn->__member != newn->__member) \
- tpacpi_hotkey_send_key(__scancode); \
+ tpacpi_hotkey_send_key(__scancode); \
} while (0)
#define TPACPI_MAY_SEND_KEY(__scancode) \
- do { if (mask & (1 << __scancode)) \
- tpacpi_hotkey_send_key(__scancode); } while (0)
+ do { \
+ if (event_mask & (1 << __scancode)) \
+ tpacpi_hotkey_send_key(__scancode); \
+ } while (0)
-static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
- struct tp_nvram_state *newn,
- u32 mask)
-{
TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle);
}
}
}
-}
#undef TPACPI_COMPARE_KEY
#undef TPACPI_MAY_SEND_KEY
+}
+/*
+ * Polling driver
+ *
+ * We track all events in hotkey_source_mask all the time, since
+ * most of them are edge-based. We only issue those requested by
+ * hotkey_user_mask or hotkey_driver_mask, though.
+ */
static int hotkey_kthread(void *data)
{
struct tp_nvram_state s[2];
- u32 mask;
+ u32 poll_mask, event_mask;
unsigned int si, so;
unsigned long t;
unsigned int change_detector, must_reset;
+ unsigned int poll_freq;
mutex_lock(&hotkey_thread_mutex);
/* Initial state for compares */
mutex_lock(&hotkey_thread_data_mutex);
change_detector = hotkey_config_change;
- mask = hotkey_source_mask & hotkey_mask;
+ poll_mask = hotkey_source_mask;
+ event_mask = hotkey_source_mask &
+ (hotkey_driver_mask | hotkey_user_mask);
+ poll_freq = hotkey_poll_freq;
mutex_unlock(&hotkey_thread_data_mutex);
- hotkey_read_nvram(&s[so], mask);
+ hotkey_read_nvram(&s[so], poll_mask);
- while (!kthread_should_stop() && hotkey_poll_freq) {
- if (t == 0)
- t = 1000/hotkey_poll_freq;
+ while (!kthread_should_stop()) {
+ if (t == 0) {
+ if (likely(poll_freq))
+ t = 1000/poll_freq;
+ else
+ t = 100; /* should never happen... */
+ }
t = msleep_interruptible(t);
if (unlikely(kthread_should_stop()))
break;
t = 0;
change_detector = hotkey_config_change;
}
- mask = hotkey_source_mask & hotkey_mask;
+ poll_mask = hotkey_source_mask;
+ event_mask = hotkey_source_mask &
+ (hotkey_driver_mask | hotkey_user_mask);
+ poll_freq = hotkey_poll_freq;
mutex_unlock(&hotkey_thread_data_mutex);
- if (likely(mask)) {
- hotkey_read_nvram(&s[si], mask);
+ if (likely(poll_mask)) {
+ hotkey_read_nvram(&s[si], poll_mask);
if (likely(si != so)) {
hotkey_compare_and_issue_event(&s[so], &s[si],
- mask);
+ event_mask);
}
}
return 0;
}
+/* call with hotkey_mutex held */
static void hotkey_poll_stop_sync(void)
{
if (tpacpi_hotkey_task) {
}
/* call with hotkey_mutex held */
-static void hotkey_poll_setup(int may_warn)
+static void hotkey_poll_setup(bool may_warn)
{
- if ((hotkey_source_mask & hotkey_mask) != 0 &&
- hotkey_poll_freq > 0 &&
- (tpacpi_inputdev->users > 0 || hotkey_report_mode < 2)) {
+ const u32 poll_driver_mask = hotkey_driver_mask & hotkey_source_mask;
+ const u32 poll_user_mask = hotkey_user_mask & hotkey_source_mask;
+
+ if (hotkey_poll_freq > 0 &&
+ (poll_driver_mask ||
+ (poll_user_mask && tpacpi_inputdev->users > 0))) {
if (!tpacpi_hotkey_task) {
tpacpi_hotkey_task = kthread_run(hotkey_kthread,
NULL, TPACPI_NVRAM_KTHREAD_NAME);
}
} else {
hotkey_poll_stop_sync();
- if (may_warn &&
- hotkey_source_mask != 0 && hotkey_poll_freq == 0) {
+ if (may_warn && (poll_driver_mask || poll_user_mask) &&
+ hotkey_poll_freq == 0) {
printk(TPACPI_NOTICE
- "hot keys 0x%08x require polling, "
- "which is currently disabled\n",
- hotkey_source_mask);
+ "hot keys 0x%08x and/or events 0x%08x "
+ "require polling, which is currently "
+ "disabled\n",
+ poll_user_mask, poll_driver_mask);
}
}
}
-static void hotkey_poll_setup_safe(int may_warn)
+static void hotkey_poll_setup_safe(bool may_warn)
{
mutex_lock(&hotkey_mutex);
hotkey_poll_setup(may_warn);
mutex_unlock(&hotkey_mutex);
}
+/* call with hotkey_mutex held */
+static void hotkey_poll_set_freq(unsigned int freq)
+{
+ if (!freq)
+ hotkey_poll_stop_sync();
+
+ hotkey_poll_freq = freq;
+}
+
#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
-static void hotkey_poll_setup_safe(int __unused)
+static void hotkey_poll_setup_safe(bool __unused)
{
}
case TPACPI_LIFE_EXITING:
return -EBUSY;
case TPACPI_LIFE_RUNNING:
- hotkey_poll_setup_safe(0);
+ hotkey_poll_setup_safe(false);
return 0;
}
static void hotkey_inputdev_close(struct input_dev *dev)
{
/* disable hotkey polling when possible */
- if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING)
- hotkey_poll_setup_safe(0);
+ if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING &&
+ !(hotkey_source_mask & hotkey_driver_mask))
+ hotkey_poll_setup_safe(false);
}
/* sysfs hotkey enable ------------------------------------------------- */
{
int res, status;
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkey reporting is always enabled");
+
res = hotkey_status_get(&status);
if (res)
return res;
const char *buf, size_t count)
{
unsigned long t;
- int res;
+
+ printk_deprecated_attribute("hotkey_enable",
+ "Hotkeys can be disabled through hotkey_mask");
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
- res = hotkey_status_set(t);
+ if (t == 0)
+ return -EPERM;
- return (res) ? res : count;
+ return count;
}
static struct device_attribute dev_attr_hotkey_enable =
struct device_attribute *attr,
char *buf)
{
- int res;
-
- if (mutex_lock_interruptible(&hotkey_mutex))
- return -ERESTARTSYS;
- res = hotkey_mask_get();
- mutex_unlock(&hotkey_mutex);
-
- return (res)?
- res : snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_mask);
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_user_mask);
}
static ssize_t hotkey_mask_store(struct device *dev,
if (parse_strtoul(buf, 0xffffffffUL, &t))
return -EINVAL;
- if (mutex_lock_interruptible(&hotkey_mutex))
+ if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- res = hotkey_mask_set(t);
+ res = hotkey_user_mask_set(t);
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
- hotkey_poll_setup(1);
+ hotkey_poll_setup(true);
#endif
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_mask", "set to 0x%08lx\n", t);
+
return (res) ? res : count;
}
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", hotkey_orig_status);
+ return sprintf(buf, "0\n");
}
static struct device_attribute dev_attr_hotkey_bios_enabled =
struct device_attribute *attr,
char *buf)
{
+ printk_deprecated_attribute("hotkey_bios_mask",
+ "This attribute is useless.");
return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask);
}
const char *buf, size_t count)
{
unsigned long t;
+ u32 r_ev;
+ int rc;
if (parse_strtoul(buf, 0xffffffffUL, &t) ||
((t & ~TPACPI_HKEY_NVRAM_KNOWN_MASK) != 0))
return -EINVAL;
- if (mutex_lock_interruptible(&hotkey_mutex))
+ if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
HOTKEY_CONFIG_CRITICAL_START
hotkey_source_mask = t;
HOTKEY_CONFIG_CRITICAL_END
- hotkey_poll_setup(1);
+ rc = hotkey_mask_set((hotkey_user_mask | hotkey_driver_mask) &
+ ~hotkey_source_mask);
+ hotkey_poll_setup(true);
+
+ /* check if events needed by the driver got disabled */
+ r_ev = hotkey_driver_mask & ~(hotkey_acpi_mask & hotkey_all_mask)
+ & ~hotkey_source_mask & TPACPI_HKEY_NVRAM_KNOWN_MASK;
mutex_unlock(&hotkey_mutex);
- return count;
+ if (rc < 0)
+ printk(TPACPI_ERR "hotkey_source_mask: failed to update the"
+ "firmware event mask!\n");
+
+ if (r_ev)
+ printk(TPACPI_NOTICE "hotkey_source_mask: "
+ "some important events were disabled: "
+ "0x%04x\n", r_ev);
+
+ tpacpi_disclose_usertask("hotkey_source_mask", "set to 0x%08lx\n", t);
+
+ return (rc < 0) ? rc : count;
}
static struct device_attribute dev_attr_hotkey_source_mask =
if (parse_strtoul(buf, 25, &t))
return -EINVAL;
- if (mutex_lock_interruptible(&hotkey_mutex))
+ if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- hotkey_poll_freq = t;
+ hotkey_poll_set_freq(t);
+ hotkey_poll_setup(true);
- hotkey_poll_setup(1);
mutex_unlock(&hotkey_mutex);
+ tpacpi_disclose_usertask("hotkey_poll_freq", "set to %lu\n", t);
+
return count;
}
struct device_attribute *attr,
char *buf)
{
- int res, s;
- res = hotkey_get_wlsw(&s);
+ int res;
+ res = hotkey_get_wlsw();
if (res < 0)
return res;
- return snprintf(buf, PAGE_SIZE, "%d\n", !!s);
+ /* Opportunistic update */
+ tpacpi_rfk_update_hwblock_state((res == TPACPI_RFK_RADIO_OFF));
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ (res == TPACPI_RFK_RADIO_OFF) ? 0 : 1);
}
static struct device_attribute dev_attr_hotkey_radio_sw =
static void hotkey_wakeup_reason_notify_change(void)
{
- if (tp_features.hotkey_mask)
- sysfs_notify(&tpacpi_pdev->dev.kobj, NULL,
- "wakeup_reason");
+ sysfs_notify(&tpacpi_pdev->dev.kobj, NULL,
+ "wakeup_reason");
}
/* sysfs wakeup hotunplug_complete (pollable) -------------------------- */
static void hotkey_wakeup_hotunplug_complete_notify_change(void)
{
- if (tp_features.hotkey_mask)
- sysfs_notify(&tpacpi_pdev->dev.kobj, NULL,
- "wakeup_hotunplug_complete");
+ sysfs_notify(&tpacpi_pdev->dev.kobj, NULL,
+ "wakeup_hotunplug_complete");
}
/* --------------------------------------------------------------------- */
static struct attribute *hotkey_attributes[] __initdata = {
&dev_attr_hotkey_enable.attr,
&dev_attr_hotkey_bios_enabled.attr,
+ &dev_attr_hotkey_bios_mask.attr,
&dev_attr_hotkey_report_mode.attr,
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
+ &dev_attr_hotkey_wakeup_reason.attr,
+ &dev_attr_hotkey_wakeup_hotunplug_complete.attr,
&dev_attr_hotkey_mask.attr,
&dev_attr_hotkey_all_mask.attr,
&dev_attr_hotkey_recommended_mask.attr,
+#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
&dev_attr_hotkey_source_mask.attr,
&dev_attr_hotkey_poll_freq.attr,
#endif
};
-static struct attribute *hotkey_mask_attributes[] __initdata = {
- &dev_attr_hotkey_bios_mask.attr,
-#ifndef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
- &dev_attr_hotkey_mask.attr,
- &dev_attr_hotkey_all_mask.attr,
- &dev_attr_hotkey_recommended_mask.attr,
-#endif
- &dev_attr_hotkey_wakeup_reason.attr,
- &dev_attr_hotkey_wakeup_hotunplug_complete.attr,
-};
-
-static void bluetooth_update_rfk(void);
-static void wan_update_rfk(void);
+/*
+ * Sync both the hw and sw blocking state of all switches
+ */
static void tpacpi_send_radiosw_update(void)
{
int wlsw;
- /* Sync these BEFORE sending any rfkill events */
- if (tp_features.bluetooth)
- bluetooth_update_rfk();
- if (tp_features.wan)
- wan_update_rfk();
+ /*
+ * We must sync all rfkill controllers *before* issuing any
+ * rfkill input events, or we will race the rfkill core input
+ * handler.
+ *
+ * tpacpi_inputdev_send_mutex works as a syncronization point
+ * for the above.
+ *
+ * We optimize to avoid numerous calls to hotkey_get_wlsw.
+ */
+
+ wlsw = hotkey_get_wlsw();
+
+ /* Sync hw blocking state first if it is hw-blocked */
+ if (wlsw == TPACPI_RFK_RADIO_OFF)
+ tpacpi_rfk_update_hwblock_state(true);
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
+ /* Sync sw blocking state */
+ tpacpi_rfk_update_swstate_all();
+
+ /* Sync hw blocking state last if it is hw-unblocked */
+ if (wlsw == TPACPI_RFK_RADIO_ON)
+ tpacpi_rfk_update_hwblock_state(false);
+
+ /* Issue rfkill input event for WLSW switch */
+ if (!(wlsw < 0)) {
mutex_lock(&tpacpi_inputdev_send_mutex);
input_report_switch(tpacpi_inputdev,
- SW_RFKILL_ALL, !!wlsw);
+ SW_RFKILL_ALL, (wlsw > 0));
input_sync(tpacpi_inputdev);
mutex_unlock(&tpacpi_inputdev_send_mutex);
}
+
+ /*
+ * this can be unconditional, as we will poll state again
+ * if userspace uses the notify to read data
+ */
hotkey_radio_sw_notify_change();
}
static void hotkey_exit(void)
{
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
+ mutex_lock(&hotkey_mutex);
hotkey_poll_stop_sync();
+ mutex_unlock(&hotkey_mutex);
#endif
if (hotkey_dev_attributes)
kfree(hotkey_keycode_map);
- if (tp_features.hotkey) {
- dbg_printk(TPACPI_DBG_EXIT,
- "restoring original hot key mask\n");
- /* no short-circuit boolean operator below! */
- if ((hotkey_mask_set(hotkey_orig_mask) |
- hotkey_status_set(hotkey_orig_status)) != 0)
- printk(TPACPI_ERR
- "failed to restore hot key mask "
- "to BIOS defaults\n");
+ dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
+ "restoring original HKEY status and mask\n");
+ /* yes, there is a bitwise or below, we want the
+ * functions to be called even if one of them fail */
+ if (((tp_features.hotkey_mask &&
+ hotkey_mask_set(hotkey_orig_mask)) |
+ hotkey_status_set(false)) != 0)
+ printk(TPACPI_ERR
+ "failed to restore hot key mask "
+ "to BIOS defaults\n");
+}
+
+static void __init hotkey_unmap(const unsigned int scancode)
+{
+ if (hotkey_keycode_map[scancode] != KEY_RESERVED) {
+ clear_bit(hotkey_keycode_map[scancode],
+ tpacpi_inputdev->keybit);
+ hotkey_keycode_map[scancode] = KEY_RESERVED;
}
}
+/*
+ * HKEY quirks:
+ * TPACPI_HK_Q_INIMASK: Supports FN+F3,FN+F4,FN+F12
+ */
+
+#define TPACPI_HK_Q_INIMASK 0x0001
+
+static const struct tpacpi_quirk tpacpi_hotkey_qtable[] __initconst = {
+ TPACPI_Q_IBM('I', 'H', TPACPI_HK_Q_INIMASK), /* 600E */
+ TPACPI_Q_IBM('I', 'N', TPACPI_HK_Q_INIMASK), /* 600E */
+ TPACPI_Q_IBM('I', 'D', TPACPI_HK_Q_INIMASK), /* 770, 770E, 770ED */
+ TPACPI_Q_IBM('I', 'W', TPACPI_HK_Q_INIMASK), /* A20m */
+ TPACPI_Q_IBM('I', 'V', TPACPI_HK_Q_INIMASK), /* A20p */
+ TPACPI_Q_IBM('1', '0', TPACPI_HK_Q_INIMASK), /* A21e, A22e */
+ TPACPI_Q_IBM('K', 'U', TPACPI_HK_Q_INIMASK), /* A21e */
+ TPACPI_Q_IBM('K', 'X', TPACPI_HK_Q_INIMASK), /* A21m, A22m */
+ TPACPI_Q_IBM('K', 'Y', TPACPI_HK_Q_INIMASK), /* A21p, A22p */
+ TPACPI_Q_IBM('1', 'B', TPACPI_HK_Q_INIMASK), /* A22e */
+ TPACPI_Q_IBM('1', '3', TPACPI_HK_Q_INIMASK), /* A22m */
+ TPACPI_Q_IBM('1', 'E', TPACPI_HK_Q_INIMASK), /* A30/p (0) */
+ TPACPI_Q_IBM('1', 'C', TPACPI_HK_Q_INIMASK), /* R30 */
+ TPACPI_Q_IBM('1', 'F', TPACPI_HK_Q_INIMASK), /* R31 */
+ TPACPI_Q_IBM('I', 'Y', TPACPI_HK_Q_INIMASK), /* T20 */
+ TPACPI_Q_IBM('K', 'Z', TPACPI_HK_Q_INIMASK), /* T21 */
+ TPACPI_Q_IBM('1', '6', TPACPI_HK_Q_INIMASK), /* T22 */
+ TPACPI_Q_IBM('I', 'Z', TPACPI_HK_Q_INIMASK), /* X20, X21 */
+ TPACPI_Q_IBM('1', 'D', TPACPI_HK_Q_INIMASK), /* X22, X23, X24 */
+};
+
static int __init hotkey_init(struct ibm_init_struct *iibm)
{
/* Requirements for changing the default keymaps:
KEY_UNKNOWN, /* 0x0D: FN+INSERT */
KEY_UNKNOWN, /* 0x0E: FN+DELETE */
- /* brightness: firmware always reacts to them, unless
- * X.org did some tricks in the radeon BIOS scratch
- * registers of *some* models */
+ /* brightness: firmware always reacts to them */
KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
KEY_RESERVED, /* 0x10: FN+END (brightness down) */
KEY_UNKNOWN, /* 0x0D: FN+INSERT */
KEY_UNKNOWN, /* 0x0E: FN+DELETE */
- /* These either have to go through ACPI video, or
- * act like in the IBM ThinkPads, so don't ever
- * enable them by default */
- KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
- KEY_RESERVED, /* 0x10: FN+END (brightness down) */
+ /* These should be enabled --only-- when ACPI video
+ * is disabled (i.e. in "vendor" mode), and are handled
+ * in a special way by the init code */
+ KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */
+ KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */
KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */
int status;
int hkeyv;
- vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
+ unsigned long quirks;
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "initializing hotkey subdriver\n");
BUG_ON(!tpacpi_inputdev);
BUG_ON(tpacpi_inputdev->open != NULL ||
/* hotkey not supported on 570 */
tp_features.hotkey = hkey_handle != NULL;
- vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkeys are %s\n",
str_supported(tp_features.hotkey));
if (!tp_features.hotkey)
return 1;
+ quirks = tpacpi_check_quirks(tpacpi_hotkey_qtable,
+ ARRAY_SIZE(tpacpi_hotkey_qtable));
+
tpacpi_disable_brightness_delay();
- hotkey_dev_attributes = create_attr_set(13, NULL);
+ /* MUST have enough space for all attributes to be added to
+ * hotkey_dev_attributes */
+ hotkey_dev_attributes = create_attr_set(
+ ARRAY_SIZE(hotkey_attributes) + 2,
+ NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
res = add_many_to_attr_set(hotkey_dev_attributes,
if (res)
goto err_exit;
- /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
+ /* mask not supported on 600e/x, 770e, 770x, A21e, A2xm/p,
A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking
for HKEY interface version 0x100 */
if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
* MHKV 0x100 in A31, R40, R40e,
* T4x, X31, and later
*/
- tp_features.hotkey_mask = 1;
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "firmware HKEY interface version: 0x%x\n",
+ hkeyv);
+
+ /* Paranoia check AND init hotkey_all_mask */
+ if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
+ "MHKA", "qd")) {
+ printk(TPACPI_ERR
+ "missing MHKA handler, "
+ "please report this to %s\n",
+ TPACPI_MAIL);
+ /* Fallback: pre-init for FN+F3,F4,F12 */
+ hotkey_all_mask = 0x080cU;
+ } else {
+ tp_features.hotkey_mask = 1;
+ }
}
}
- vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
- if (tp_features.hotkey_mask) {
- if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
- "MHKA", "qd")) {
- printk(TPACPI_ERR
- "missing MHKA handler, "
- "please report this to %s\n",
- TPACPI_MAIL);
- /* FN+F12, FN+F4, FN+F3 */
- hotkey_all_mask = 0x080cU;
- }
- }
-
- /* hotkey_source_mask *must* be zero for
- * the first hotkey_mask_get */
- res = hotkey_status_get(&hotkey_orig_status);
- if (res)
- goto err_exit;
+ /* Init hotkey_all_mask if not initialized yet */
+ if (!tp_features.hotkey_mask && !hotkey_all_mask &&
+ (quirks & TPACPI_HK_Q_INIMASK))
+ hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+ /* Init hotkey_acpi_mask and hotkey_orig_mask */
if (tp_features.hotkey_mask) {
+ /* hotkey_source_mask *must* be zero for
+ * the first hotkey_mask_get to return hotkey_orig_mask */
res = hotkey_mask_get();
if (res)
goto err_exit;
- hotkey_orig_mask = hotkey_mask;
- res = add_many_to_attr_set(
- hotkey_dev_attributes,
- hotkey_mask_attributes,
- ARRAY_SIZE(hotkey_mask_attributes));
- if (res)
- goto err_exit;
- }
-
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
- if (tp_features.hotkey_mask) {
- hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
- & ~hotkey_all_mask;
+ hotkey_orig_mask = hotkey_acpi_mask;
} else {
- hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
+ hotkey_orig_mask = hotkey_all_mask;
+ hotkey_acpi_mask = hotkey_all_mask;
}
- vdbg_printk(TPACPI_DBG_INIT,
- "hotkey source mask 0x%08x, polling freq %d\n",
- hotkey_source_mask, hotkey_poll_freq);
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_wlswemul) {
+ tp_features.hotkey_wlsw = 1;
+ printk(TPACPI_INFO
+ "radio switch emulation enabled\n");
+ } else
#endif
-
/* Not all thinkpads have a hardware radio switch */
if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
tp_features.hotkey_wlsw = 1;
}
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using Lenovo default hot key map\n");
memcpy(hotkey_keycode_map, &lenovo_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
} else {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using IBM default hot key map\n");
memcpy(hotkey_keycode_map, &ibm_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
- if (tp_features.bright_acpimode) {
+ if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
"Disabling thinkpad-acpi brightness events "
"by default...\n");
- /* The hotkey_reserved_mask change below is not
- * necessary while the keys are at KEY_RESERVED in the
- * default map, but better safe than sorry, leave it
- * here as a marker of what we have to do, especially
- * when we finally become able to set this at runtime
- * on response to X.org requests */
+ /* Disable brightness up/down on Lenovo thinkpads when
+ * ACPI is handling them, otherwise it is plain impossible
+ * for userspace to do something even remotely sane */
hotkey_reserved_mask |=
(1 << TP_ACPI_HOTKEYSCAN_FNHOME)
| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
+ hotkey_unmap(TP_ACPI_HOTKEYSCAN_FNHOME);
+ hotkey_unmap(TP_ACPI_HOTKEYSCAN_FNEND);
}
- dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
- res = hotkey_status_set(1);
+#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
+ hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
+ & ~hotkey_all_mask
+ & ~hotkey_reserved_mask;
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "hotkey source mask 0x%08x, polling freq %u\n",
+ hotkey_source_mask, hotkey_poll_freq);
+#endif
+
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "enabling firmware HKEY event interface...\n");
+ res = hotkey_status_set(true);
if (res) {
hotkey_exit();
return res;
}
- res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
- & ~hotkey_reserved_mask)
- | hotkey_orig_mask);
+ res = hotkey_mask_set(((hotkey_all_mask & ~hotkey_reserved_mask)
+ | hotkey_driver_mask)
+ & ~hotkey_source_mask);
if (res < 0 && res != -ENXIO) {
hotkey_exit();
return res;
}
+ hotkey_user_mask = (hotkey_acpi_mask | hotkey_source_mask)
+ & ~hotkey_reserved_mask;
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "initial masks: user=0x%08x, fw=0x%08x, poll=0x%08x\n",
+ hotkey_user_mask, hotkey_acpi_mask, hotkey_source_mask);
- dbg_printk(TPACPI_DBG_INIT,
- "legacy hot key reporting over procfs %s\n",
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "legacy ibm/hotkey event reporting over procfs %s\n",
(hotkey_report_mode < 2) ?
"enabled" : "disabled");
tpacpi_inputdev->open = &hotkey_inputdev_open;
tpacpi_inputdev->close = &hotkey_inputdev_close;
- hotkey_poll_setup_safe(1);
+ hotkey_poll_setup_safe(true);
tpacpi_send_radiosw_update();
tpacpi_input_send_tabletsw();
return (res < 0)? res : 1;
}
+static bool hotkey_notify_hotkey(const u32 hkey,
+ bool *send_acpi_ev,
+ bool *ignore_acpi_ev)
+{
+ /* 0x1000-0x1FFF: key presses */
+ unsigned int scancode = hkey & 0xfff;
+ *send_acpi_ev = true;
+ *ignore_acpi_ev = false;
+
+ if (scancode > 0 && scancode < 0x21) {
+ 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 false;
+}
+
+static bool hotkey_notify_wakeup(const u32 hkey,
+ bool *send_acpi_ev,
+ bool *ignore_acpi_ev)
+{
+ /* 0x2000-0x2FFF: Wakeup reason */
+ *send_acpi_ev = true;
+ *ignore_acpi_ev = false;
+
+ switch (hkey) {
+ case TP_HKEY_EV_WKUP_S3_UNDOCK: /* suspend, undock */
+ case TP_HKEY_EV_WKUP_S4_UNDOCK: /* hibernation, undock */
+ hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
+ *ignore_acpi_ev = true;
+ break;
+
+ case TP_HKEY_EV_WKUP_S3_BAYEJ: /* suspend, bay eject */
+ case TP_HKEY_EV_WKUP_S4_BAYEJ: /* hibernation, bay eject */
+ hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
+ *ignore_acpi_ev = true;
+ break;
+
+ case TP_HKEY_EV_WKUP_S3_BATLOW: /* Battery on critical low level/S3 */
+ case TP_HKEY_EV_WKUP_S4_BATLOW: /* Battery on critical low level/S4 */
+ printk(TPACPI_ALERT
+ "EMERGENCY WAKEUP: battery almost empty\n");
+ /* how to auto-heal: */
+ /* 2313: woke up from S3, go to S4/S5 */
+ /* 2413: woke up from S4, go to S5 */
+ break;
+
+ default:
+ return false;
+ }
+
+ if (hotkey_wakeup_reason != TP_ACPI_WAKEUP_NONE) {
+ printk(TPACPI_INFO
+ "woke up due to a hot-unplug "
+ "request...\n");
+ hotkey_wakeup_reason_notify_change();
+ }
+ return true;
+}
+
+static bool hotkey_notify_usrevent(const u32 hkey,
+ bool *send_acpi_ev,
+ bool *ignore_acpi_ev)
+{
+ /* 0x5000-0x5FFF: human interface helpers */
+ *send_acpi_ev = true;
+ *ignore_acpi_ev = false;
+
+ switch (hkey) {
+ case TP_HKEY_EV_PEN_INSERTED: /* X61t: tablet pen inserted into bay */
+ case TP_HKEY_EV_PEN_REMOVED: /* X61t: tablet pen removed from bay */
+ return true;
+
+ case TP_HKEY_EV_TABLET_TABLET: /* X41t-X61t: tablet mode */
+ case TP_HKEY_EV_TABLET_NOTEBOOK: /* X41t-X61t: normal mode */
+ tpacpi_input_send_tabletsw();
+ hotkey_tablet_mode_notify_change();
+ *send_acpi_ev = false;
+ return true;
+
+ case TP_HKEY_EV_LID_CLOSE: /* Lid closed */
+ case TP_HKEY_EV_LID_OPEN: /* Lid opened */
+ case TP_HKEY_EV_BRGHT_CHANGED: /* brightness changed */
+ /* do not propagate these events */
+ *ignore_acpi_ev = true;
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static bool hotkey_notify_thermal(const u32 hkey,
+ bool *send_acpi_ev,
+ bool *ignore_acpi_ev)
+{
+ /* 0x6000-0x6FFF: thermal alarms */
+ *send_acpi_ev = true;
+ *ignore_acpi_ev = false;
+
+ switch (hkey) {
+ case TP_HKEY_EV_ALARM_BAT_HOT:
+ printk(TPACPI_CRIT
+ "THERMAL ALARM: battery is too hot!\n");
+ /* recommended action: warn user through gui */
+ return true;
+ case TP_HKEY_EV_ALARM_BAT_XHOT:
+ printk(TPACPI_ALERT
+ "THERMAL EMERGENCY: battery is extremely hot!\n");
+ /* recommended action: immediate sleep/hibernate */
+ return true;
+ case TP_HKEY_EV_ALARM_SENSOR_HOT:
+ printk(TPACPI_CRIT
+ "THERMAL ALARM: "
+ "a sensor reports something is too hot!\n");
+ /* recommended action: warn user through gui, that */
+ /* some internal component is too hot */
+ return true;
+ case TP_HKEY_EV_ALARM_SENSOR_XHOT:
+ printk(TPACPI_ALERT
+ "THERMAL EMERGENCY: "
+ "a sensor reports something is extremely hot!\n");
+ /* recommended action: immediate sleep/hibernate */
+ return true;
+ case TP_HKEY_EV_THM_TABLE_CHANGED:
+ printk(TPACPI_INFO
+ "EC reports that Thermal Table has changed\n");
+ /* recommended action: do nothing, we don't have
+ * Lenovo ATM information */
+ return true;
+ default:
+ printk(TPACPI_ALERT
+ "THERMAL ALERT: unknown thermal alarm received\n");
+ return false;
+ }
+}
+
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
u32 hkey;
- unsigned int scancode;
- int send_acpi_ev;
- int ignore_acpi_ev;
- int unk_ev;
+ bool send_acpi_ev;
+ bool ignore_acpi_ev;
+ bool known_ev;
if (event != 0x80) {
printk(TPACPI_ERR
/* forward it to userspace, maybe it knows how to handle it */
acpi_bus_generate_netlink_event(
ibm->acpi->device->pnp.device_class,
- ibm->acpi->device->dev.bus_id,
+ dev_name(&ibm->acpi->device->dev),
event, 0);
return;
}
return;
}
- send_acpi_ev = 1;
- ignore_acpi_ev = 0;
- unk_ev = 0;
+ send_acpi_ev = true;
+ ignore_acpi_ev = false;
switch (hkey >> 12) {
case 1:
/* 0x1000-0x1FFF: key presses */
- scancode = hkey & 0xfff;
- if (scancode > 0 && scancode < 0x21) {
- scancode--;
- if (!(hotkey_source_mask & (1 << scancode))) {
- tpacpi_input_send_key(scancode);
- send_acpi_ev = 0;
- } else {
- ignore_acpi_ev = 1;
- }
- } else {
- unk_ev = 1;
- }
+ known_ev = hotkey_notify_hotkey(hkey, &send_acpi_ev,
+ &ignore_acpi_ev);
break;
case 2:
- /* Wakeup reason */
- switch (hkey) {
- case 0x2304: /* suspend, undock */
- case 0x2404: /* hibernation, undock */
- hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
- ignore_acpi_ev = 1;
- break;
- case 0x2305: /* suspend, bay eject */
- case 0x2405: /* hibernation, bay eject */
- hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
- ignore_acpi_ev = 1;
- break;
- default:
- unk_ev = 1;
- }
- if (hotkey_wakeup_reason != TP_ACPI_WAKEUP_NONE) {
- printk(TPACPI_INFO
- "woke up due to a hot-unplug "
- "request...\n");
- hotkey_wakeup_reason_notify_change();
- }
+ /* 0x2000-0x2FFF: Wakeup reason */
+ known_ev = hotkey_notify_wakeup(hkey, &send_acpi_ev,
+ &ignore_acpi_ev);
break;
case 3:
- /* bay-related wakeups */
- if (hkey == 0x3003) {
+ /* 0x3000-0x3FFF: bay-related wakeups */
+ if (hkey == TP_HKEY_EV_BAYEJ_ACK) {
hotkey_autosleep_ack = 1;
printk(TPACPI_INFO
"bay ejected\n");
hotkey_wakeup_hotunplug_complete_notify_change();
+ known_ev = true;
} else {
- unk_ev = 1;
+ known_ev = false;
}
break;
case 4:
- /* dock-related wakeups */
- if (hkey == 0x4003) {
+ /* 0x4000-0x4FFF: dock-related wakeups */
+ if (hkey == TP_HKEY_EV_UNDOCK_ACK) {
hotkey_autosleep_ack = 1;
printk(TPACPI_INFO
"undocked\n");
hotkey_wakeup_hotunplug_complete_notify_change();
+ known_ev = true;
} else {
- unk_ev = 1;
+ known_ev = false;
}
break;
case 5:
/* 0x5000-0x5FFF: human interface helpers */
- switch (hkey) {
- case 0x5010: /* Lenovo new BIOS: brightness changed */
- case 0x500b: /* X61t: tablet pen inserted into bay */
- case 0x500c: /* X61t: tablet pen removed from bay */
- break;
- case 0x5009: /* X41t-X61t: swivel up (tablet mode) */
- case 0x500a: /* X41t-X61t: swivel down (normal mode) */
- tpacpi_input_send_tabletsw();
- hotkey_tablet_mode_notify_change();
- send_acpi_ev = 0;
- break;
- case 0x5001:
- case 0x5002:
- /* LID switch events. Do not propagate */
- ignore_acpi_ev = 1;
- break;
- default:
- unk_ev = 1;
- }
+ known_ev = hotkey_notify_usrevent(hkey, &send_acpi_ev,
+ &ignore_acpi_ev);
+ break;
+ case 6:
+ /* 0x6000-0x6FFF: thermal alarms */
+ known_ev = hotkey_notify_thermal(hkey, &send_acpi_ev,
+ &ignore_acpi_ev);
break;
case 7:
/* 0x7000-0x7FFF: misc */
- if (tp_features.hotkey_wlsw && hkey == 0x7000) {
+ if (tp_features.hotkey_wlsw &&
+ hkey == TP_HKEY_EV_RFKILL_CHANGED) {
tpacpi_send_radiosw_update();
send_acpi_ev = 0;
+ known_ev = true;
break;
}
/* fallthrough to default */
default:
- unk_ev = 1;
+ known_ev = false;
}
- if (unk_ev) {
+ if (!known_ev) {
printk(TPACPI_NOTICE
"unhandled HKEY event 0x%04x\n", hkey);
+ printk(TPACPI_NOTICE
+ "please report the conditions when this "
+ "event happened to %s\n", TPACPI_MAIL);
}
/* Legacy events */
if (!ignore_acpi_ev && send_acpi_ev) {
acpi_bus_generate_netlink_event(
ibm->acpi->device->pnp.device_class,
- ibm->acpi->device->dev.bus_id,
+ dev_name(&ibm->acpi->device->dev),
event, hkey);
}
}
{
tpacpi_disable_brightness_delay();
- if (hotkey_mask_get())
+ if (hotkey_status_set(true) < 0 ||
+ hotkey_mask_set(hotkey_acpi_mask) < 0)
printk(TPACPI_ERR
- "error while trying to read hot key mask "
- "from firmware\n");
+ "error while attempting to reset the event "
+ "firmware interface\n");
+
tpacpi_send_radiosw_update();
hotkey_tablet_mode_notify_change();
hotkey_wakeup_reason_notify_change();
hotkey_wakeup_hotunplug_complete_notify_change();
- hotkey_poll_setup_safe(0);
+ hotkey_poll_setup_safe(false);
}
/* procfs -------------------------------------------------------------- */
return len;
}
- if (mutex_lock_interruptible(&hotkey_mutex))
+ if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
res = hotkey_status_get(&status);
if (!res)
return res;
len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0));
- if (tp_features.hotkey_mask) {
- len += sprintf(p + len, "mask:\t\t0x%08x\n", hotkey_mask);
+ if (hotkey_all_mask) {
+ len += sprintf(p + len, "mask:\t\t0x%08x\n", hotkey_user_mask);
len += sprintf(p + len,
"commands:\tenable, disable, reset, <mask>\n");
} else {
return len;
}
+static void hotkey_enabledisable_warn(bool enable)
+{
+ tpacpi_log_usertask("procfs hotkey enable/disable");
+ if (!WARN((tpacpi_lifecycle == TPACPI_LIFE_RUNNING || !enable),
+ TPACPI_WARN
+ "hotkey enable/disable functionality has been "
+ "removed from the driver. Hotkeys are always "
+ "enabled\n"))
+ printk(TPACPI_ERR
+ "Please remove the hotkey=enable module "
+ "parameter, it is deprecated. Hotkeys are always "
+ "enabled\n");
+}
+
static int hotkey_write(char *buf)
{
- int res, status;
+ int res;
u32 mask;
char *cmd;
if (!tp_features.hotkey)
return -ENODEV;
- if (mutex_lock_interruptible(&hotkey_mutex))
+ if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- status = -1;
- mask = hotkey_mask;
+ mask = hotkey_user_mask;
res = 0;
while ((cmd = next_cmd(&buf))) {
if (strlencmp(cmd, "enable") == 0) {
- status = 1;
+ hotkey_enabledisable_warn(1);
} else if (strlencmp(cmd, "disable") == 0) {
- status = 0;
+ hotkey_enabledisable_warn(0);
+ res = -EPERM;
} else if (strlencmp(cmd, "reset") == 0) {
- status = hotkey_orig_status;
- mask = hotkey_orig_mask;
+ mask = (hotkey_all_mask | hotkey_source_mask)
+ & ~hotkey_reserved_mask;
} else if (sscanf(cmd, "0x%x", &mask) == 1) {
/* mask set */
} else if (sscanf(cmd, "%x", &mask) == 1) {
goto errexit;
}
}
- if (status != -1)
- res = hotkey_status_set(status);
- if (!res && mask != hotkey_mask)
- res = hotkey_mask_set(mask);
+ if (!res) {
+ tpacpi_disclose_usertask("procfs hotkey",
+ "set mask to 0x%08x\n", mask);
+ res = hotkey_user_mask_set(mask);
+ }
errexit:
mutex_unlock(&hotkey_mutex);
/* ACPI GBDC/SBDC bits */
TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
- TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
+ TP_ACPI_BLUETOOTH_RESUMECTRL = 0x04, /* Bluetooth state at resume:
+ off / last state */
+};
+
+enum {
+ /* ACPI \BLTH commands */
+ TP_ACPI_BLTH_GET_ULTRAPORT_ID = 0x00, /* Get Ultraport BT ID */
+ TP_ACPI_BLTH_GET_PWR_ON_RESUME = 0x01, /* Get power-on-resume state */
+ TP_ACPI_BLTH_PWR_ON_ON_RESUME = 0x02, /* Resume powered on */
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME = 0x03, /* Resume powered off */
+ TP_ACPI_BLTH_SAVE_STATE = 0x05, /* Save state for S4/S5 */
};
-static struct rfkill *tpacpi_bluetooth_rfkill;
+#define TPACPI_RFK_BLUETOOTH_SW_NAME "tpacpi_bluetooth_sw"
-static int bluetooth_get_radiosw(void)
+static void bluetooth_suspend(pm_message_t state)
{
- int status;
+ /* Try to make sure radio will resume powered off */
+ if (!acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluetooth power down on resume request failed\n");
+}
- if (!tp_features.bluetooth)
- return -ENODEV;
+static int bluetooth_get_status(void)
+{
+ int status;
- /* WLSW overrides bluetooth in firmware/hardware, reflect that */
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
- return RFKILL_STATE_HARD_BLOCKED;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_bluetoothemul)
+ return (tpacpi_bluetooth_emulstate) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
+#endif
if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
return -EIO;
return ((status & TP_ACPI_BLUETOOTH_RADIOSSW) != 0) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static void bluetooth_update_rfk(void)
-{
- int status;
-
- if (!tpacpi_bluetooth_rfkill)
- return;
-
- status = bluetooth_get_radiosw();
- if (status < 0)
- return;
- rfkill_force_state(tpacpi_bluetooth_rfkill, status);
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
}
-static int bluetooth_set_radiosw(int radio_on, int update_rfk)
+static int bluetooth_set_status(enum tpacpi_rfkill_state state)
{
int status;
- if (!tp_features.bluetooth)
- return -ENODEV;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will attempt to %s bluetooth\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
- /* WLSW overrides bluetooth in firmware/hardware, but there is no
- * reason to risk weird behaviour. */
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status
- && radio_on)
- return -EPERM;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_bluetoothemul) {
+ tpacpi_bluetooth_emulstate = (state == TPACPI_RFK_RADIO_ON);
+ return 0;
+ }
+#endif
- if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
- return -EIO;
- if (radio_on)
- status |= TP_ACPI_BLUETOOTH_RADIOSSW;
+ /* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
+ if (state == TPACPI_RFK_RADIO_ON)
+ status = TP_ACPI_BLUETOOTH_RADIOSSW;
else
- status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
+ status = 0;
+
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
- if (update_rfk)
- bluetooth_update_rfk();
-
return 0;
}
struct device_attribute *attr,
char *buf)
{
- int status;
-
- status = bluetooth_get_radiosw();
- if (status < 0)
- return status;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- (status == RFKILL_STATE_UNBLOCKED) ? 1 : 0);
+ return tpacpi_rfk_sysfs_enable_show(TPACPI_RFK_BLUETOOTH_SW_ID,
+ attr, buf);
}
static ssize_t bluetooth_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- unsigned long t;
- int res;
-
- if (parse_strtoul(buf, 1, &t))
- return -EINVAL;
-
- res = bluetooth_set_radiosw(t, 1);
-
- return (res) ? res : count;
+ return tpacpi_rfk_sysfs_enable_store(TPACPI_RFK_BLUETOOTH_SW_ID,
+ attr, buf, count);
}
static struct device_attribute dev_attr_bluetooth_enable =
.attrs = bluetooth_attributes,
};
-static int tpacpi_bluetooth_rfk_get(void *data, enum rfkill_state *state)
-{
- int bts = bluetooth_get_radiosw();
-
- if (bts < 0)
- return bts;
-
- *state = bts;
- return 0;
-}
+static const struct tpacpi_rfk_ops bluetooth_tprfk_ops = {
+ .get_status = bluetooth_get_status,
+ .set_status = bluetooth_set_status,
+};
-static int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
+static void bluetooth_shutdown(void)
{
- return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
+ /* Order firmware to save current state to NVRAM */
+ if (!acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+ TP_ACPI_BLTH_SAVE_STATE))
+ printk(TPACPI_NOTICE
+ "failed to save bluetooth state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "bluestooth state saved to NVRAM\n");
}
static void bluetooth_exit(void)
{
- if (tpacpi_bluetooth_rfkill)
- rfkill_unregister(tpacpi_bluetooth_rfkill);
-
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&bluetooth_attr_group);
+
+ tpacpi_destroy_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID);
+
+ bluetooth_shutdown();
}
static int __init bluetooth_init(struct ibm_init_struct *iibm)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing bluetooth subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing bluetooth subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.bluetooth = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GBDC", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "bluetooth is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "bluetooth is %s, status 0x%02x\n",
str_supported(tp_features.bluetooth),
status);
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_bluetoothemul) {
+ tp_features.bluetooth = 1;
+ printk(TPACPI_INFO
+ "bluetooth switch emulation enabled\n");
+ } else
+#endif
if (tp_features.bluetooth &&
!(status & TP_ACPI_BLUETOOTH_HWPRESENT)) {
/* no bluetooth hardware present in system */
tp_features.bluetooth = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"bluetooth hardware not installed\n");
}
if (!tp_features.bluetooth)
return 1;
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &bluetooth_attr_group);
+ res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
+ &bluetooth_tprfk_ops,
+ RFKILL_TYPE_BLUETOOTH,
+ TPACPI_RFK_BLUETOOTH_SW_NAME,
+ true);
if (res)
return res;
- res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
- &tpacpi_bluetooth_rfkill,
- RFKILL_TYPE_BLUETOOTH,
- "tpacpi_bluetooth_sw",
- tpacpi_bluetooth_rfk_set,
- tpacpi_bluetooth_rfk_get);
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &bluetooth_attr_group);
if (res) {
- bluetooth_exit();
+ tpacpi_destroy_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID);
return res;
}
/* procfs -------------------------------------------------------------- */
static int bluetooth_read(char *p)
{
- int len = 0;
- int status = bluetooth_get_radiosw();
-
- if (!tp_features.bluetooth)
- len += sprintf(p + len, "status:\t\tnot supported\n");
- else {
- len += sprintf(p + len, "status:\t\t%s\n",
- (status == RFKILL_STATE_UNBLOCKED) ?
- "enabled" : "disabled");
- len += sprintf(p + len, "commands:\tenable, disable\n");
- }
-
- return len;
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_BLUETOOTH_SW_ID, p);
}
static int bluetooth_write(char *buf)
{
- char *cmd;
-
- if (!tp_features.bluetooth)
- return -ENODEV;
-
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "enable") == 0) {
- bluetooth_set_radiosw(1, 1);
- } else if (strlencmp(cmd, "disable") == 0) {
- bluetooth_set_radiosw(0, 1);
- } else
- return -EINVAL;
- }
-
- return 0;
+ return tpacpi_rfk_procfs_write(TPACPI_RFK_BLUETOOTH_SW_ID, buf);
}
static struct ibm_struct bluetooth_driver_data = {
.read = bluetooth_read,
.write = bluetooth_write,
.exit = bluetooth_exit,
+ .suspend = bluetooth_suspend,
+ .shutdown = bluetooth_shutdown,
};
/*************************************************************************
/* ACPI GWAN/SWAN bits */
TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
- TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
+ TP_ACPI_WANCARD_RESUMECTRL = 0x04, /* Wan state at resume:
+ off / last state */
};
-static struct rfkill *tpacpi_wan_rfkill;
+#define TPACPI_RFK_WWAN_SW_NAME "tpacpi_wwan_sw"
-static int wan_get_radiosw(void)
+static void wan_suspend(pm_message_t state)
{
- int status;
+ /* Try to make sure radio will resume powered off */
+ if (!acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME))
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN power down on resume request failed\n");
+}
- if (!tp_features.wan)
- return -ENODEV;
+static int wan_get_status(void)
+{
+ int status;
- /* WLSW overrides WWAN in firmware/hardware, reflect that */
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status)
- return RFKILL_STATE_HARD_BLOCKED;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_wwanemul)
+ return (tpacpi_wwan_emulstate) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
+#endif
if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
return -EIO;
return ((status & TP_ACPI_WANCARD_RADIOSSW) != 0) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static void wan_update_rfk(void)
-{
- int status;
-
- if (!tpacpi_wan_rfkill)
- return;
-
- status = wan_get_radiosw();
- if (status < 0)
- return;
- rfkill_force_state(tpacpi_wan_rfkill, status);
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
}
-static int wan_set_radiosw(int radio_on, int update_rfk)
+static int wan_set_status(enum tpacpi_rfkill_state state)
{
int status;
- if (!tp_features.wan)
- return -ENODEV;
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will attempt to %s wwan\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
- /* WLSW overrides bluetooth in firmware/hardware, but there is no
- * reason to risk weird behaviour. */
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&status) && !status
- && radio_on)
- return -EPERM;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_wwanemul) {
+ tpacpi_wwan_emulstate = (state == TPACPI_RFK_RADIO_ON);
+ return 0;
+ }
+#endif
- if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
- return -EIO;
- if (radio_on)
- status |= TP_ACPI_WANCARD_RADIOSSW;
+ /* We make sure to keep TP_ACPI_WANCARD_RESUMECTRL off */
+ if (state == TPACPI_RFK_RADIO_ON)
+ status = TP_ACPI_WANCARD_RADIOSSW;
else
- status &= ~TP_ACPI_WANCARD_RADIOSSW;
+ status = 0;
+
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
- if (update_rfk)
- wan_update_rfk();
-
return 0;
}
struct device_attribute *attr,
char *buf)
{
- int status;
-
- status = wan_get_radiosw();
- if (status < 0)
- return status;
-
- return snprintf(buf, PAGE_SIZE, "%d\n",
- (status == RFKILL_STATE_UNBLOCKED) ? 1 : 0);
+ return tpacpi_rfk_sysfs_enable_show(TPACPI_RFK_WWAN_SW_ID,
+ attr, buf);
}
static ssize_t wan_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- unsigned long t;
- int res;
-
- if (parse_strtoul(buf, 1, &t))
- return -EINVAL;
-
- res = wan_set_radiosw(t, 1);
-
- return (res) ? res : count;
+ return tpacpi_rfk_sysfs_enable_store(TPACPI_RFK_WWAN_SW_ID,
+ attr, buf, count);
}
static struct device_attribute dev_attr_wan_enable =
.attrs = wan_attributes,
};
-static int tpacpi_wan_rfk_get(void *data, enum rfkill_state *state)
-{
- int wans = wan_get_radiosw();
-
- if (wans < 0)
- return wans;
-
- *state = wans;
- return 0;
-}
+static const struct tpacpi_rfk_ops wan_tprfk_ops = {
+ .get_status = wan_get_status,
+ .set_status = wan_set_status,
+};
-static int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
+static void wan_shutdown(void)
{
- return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
+ /* Order firmware to save current state to NVRAM */
+ if (!acpi_evalf(NULL, NULL, "\\WGSV", "vd",
+ TP_ACPI_WGSV_SAVE_STATE))
+ printk(TPACPI_NOTICE
+ "failed to save WWAN state to NVRAM\n");
+ else
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "WWAN state saved to NVRAM\n");
}
static void wan_exit(void)
{
- if (tpacpi_wan_rfkill)
- rfkill_unregister(tpacpi_wan_rfkill);
-
sysfs_remove_group(&tpacpi_pdev->dev.kobj,
&wan_attr_group);
+
+ tpacpi_destroy_rfkill(TPACPI_RFK_WWAN_SW_ID);
+
+ wan_shutdown();
}
static int __init wan_init(struct ibm_init_struct *iibm)
int res;
int status = 0;
- vdbg_printk(TPACPI_DBG_INIT, "initializing wan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing wan subdriver\n");
TPACPI_ACPIHANDLE_INIT(hkey);
tp_features.wan = hkey_handle &&
acpi_evalf(hkey_handle, &status, "GWAN", "qd");
- vdbg_printk(TPACPI_DBG_INIT, "wan is %s, status 0x%02x\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "wan is %s, status 0x%02x\n",
str_supported(tp_features.wan),
status);
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_wwanemul) {
+ tp_features.wan = 1;
+ printk(TPACPI_INFO
+ "wwan switch emulation enabled\n");
+ } else
+#endif
if (tp_features.wan &&
!(status & TP_ACPI_WANCARD_HWPRESENT)) {
/* no wan hardware present in system */
tp_features.wan = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
"wan hardware not installed\n");
}
if (!tp_features.wan)
return 1;
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &wan_attr_group);
+ res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
+ &wan_tprfk_ops,
+ RFKILL_TYPE_WWAN,
+ TPACPI_RFK_WWAN_SW_NAME,
+ true);
if (res)
return res;
- res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
- &tpacpi_wan_rfkill,
- RFKILL_TYPE_WWAN,
- "tpacpi_wwan_sw",
- tpacpi_wan_rfk_set,
- tpacpi_wan_rfk_get);
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &wan_attr_group);
+
if (res) {
- wan_exit();
+ tpacpi_destroy_rfkill(TPACPI_RFK_WWAN_SW_ID);
return res;
}
/* procfs -------------------------------------------------------------- */
static int wan_read(char *p)
{
- int len = 0;
- int status = wan_get_radiosw();
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_WWAN_SW_ID, p);
+}
- if (!tp_features.wan)
- len += sprintf(p + len, "status:\t\tnot supported\n");
- else {
- len += sprintf(p + len, "status:\t\t%s\n",
- (status == RFKILL_STATE_UNBLOCKED) ?
- "enabled" : "disabled");
- len += sprintf(p + len, "commands:\tenable, disable\n");
+static int wan_write(char *buf)
+{
+ return tpacpi_rfk_procfs_write(TPACPI_RFK_WWAN_SW_ID, buf);
+}
+
+static struct ibm_struct wan_driver_data = {
+ .name = "wan",
+ .read = wan_read,
+ .write = wan_write,
+ .exit = wan_exit,
+ .suspend = wan_suspend,
+ .shutdown = wan_shutdown,
+};
+
+/*************************************************************************
+ * UWB subdriver
+ */
+
+enum {
+ /* ACPI GUWB/SUWB bits */
+ TP_ACPI_UWB_HWPRESENT = 0x01, /* UWB hw available */
+ TP_ACPI_UWB_RADIOSSW = 0x02, /* UWB radio enabled */
+};
+
+#define TPACPI_RFK_UWB_SW_NAME "tpacpi_uwb_sw"
+
+static int uwb_get_status(void)
+{
+ int status;
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_uwbemul)
+ return (tpacpi_uwb_emulstate) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
+#endif
+
+ if (!acpi_evalf(hkey_handle, &status, "GUWB", "d"))
+ return -EIO;
+
+ return ((status & TP_ACPI_UWB_RADIOSSW) != 0) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
+}
+
+static int uwb_set_status(enum tpacpi_rfkill_state state)
+{
+ int status;
+
+ vdbg_printk(TPACPI_DBG_RFKILL,
+ "will attempt to %s UWB\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
+
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_uwbemul) {
+ tpacpi_uwb_emulstate = (state == TPACPI_RFK_RADIO_ON);
+ return 0;
}
+#endif
- return len;
+ if (state == TPACPI_RFK_RADIO_ON)
+ status = TP_ACPI_UWB_RADIOSSW;
+ else
+ status = 0;
+
+ if (!acpi_evalf(hkey_handle, NULL, "SUWB", "vd", status))
+ return -EIO;
+
+ return 0;
}
-static int wan_write(char *buf)
+/* --------------------------------------------------------------------- */
+
+static const struct tpacpi_rfk_ops uwb_tprfk_ops = {
+ .get_status = uwb_get_status,
+ .set_status = uwb_set_status,
+};
+
+static void uwb_exit(void)
{
- char *cmd;
+ tpacpi_destroy_rfkill(TPACPI_RFK_UWB_SW_ID);
+}
- if (!tp_features.wan)
- return -ENODEV;
+static int __init uwb_init(struct ibm_init_struct *iibm)
+{
+ int res;
+ int status = 0;
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "initializing uwb subdriver\n");
+
+ TPACPI_ACPIHANDLE_INIT(hkey);
+
+ tp_features.uwb = hkey_handle &&
+ acpi_evalf(hkey_handle, &status, "GUWB", "qd");
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_RFKILL,
+ "uwb is %s, status 0x%02x\n",
+ str_supported(tp_features.uwb),
+ status);
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "enable") == 0) {
- wan_set_radiosw(1, 1);
- } else if (strlencmp(cmd, "disable") == 0) {
- wan_set_radiosw(0, 1);
- } else
- return -EINVAL;
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+ if (dbg_uwbemul) {
+ tp_features.uwb = 1;
+ printk(TPACPI_INFO
+ "uwb switch emulation enabled\n");
+ } else
+#endif
+ if (tp_features.uwb &&
+ !(status & TP_ACPI_UWB_HWPRESENT)) {
+ /* no uwb hardware present in system */
+ tp_features.uwb = 0;
+ dbg_printk(TPACPI_DBG_INIT,
+ "uwb hardware not installed\n");
}
- return 0;
+ if (!tp_features.uwb)
+ return 1;
+
+ res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
+ &uwb_tprfk_ops,
+ RFKILL_TYPE_UWB,
+ TPACPI_RFK_UWB_SW_NAME,
+ false);
+ return res;
}
-static struct ibm_struct wan_driver_data = {
- .name = "wan",
- .read = wan_read,
- .write = wan_write,
- .exit = wan_exit,
+static struct ibm_struct uwb_driver_data = {
+ .name = "uwb",
+ .exit = uwb_exit,
+ .flags.experimental = 1,
};
/*************************************************************************
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- light_set_status((data->new_brightness != LED_OFF));
+ light_set_status((data->new_state != TPACPI_LED_OFF));
}
static void light_sysfs_set(struct led_classdev *led_cdev,
container_of(led_cdev,
struct tpacpi_led_classdev,
led_classdev);
- data->new_brightness = brightness;
+ data->new_state = (brightness != LED_OFF) ?
+ TPACPI_LED_ON : TPACPI_LED_OFF;
queue_work(tpacpi_wq, &data->work);
}
};
/*************************************************************************
- * Dock subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-
-static void dock_notify(struct ibm_struct *ibm, u32 event);
-static int dock_read(char *p);
-static int dock_write(char *buf);
-
-TPACPI_HANDLE(dock, root, "\\_SB.GDCK", /* X30, X31, X40 */
- "\\_SB.PCI0.DOCK", /* 600e/x,770e,770x,A2xm/p,T20-22,X20-21 */
- "\\_SB.PCI0.PCI1.DOCK", /* all others */
- "\\_SB.PCI.ISA.SLCE", /* 570 */
- ); /* A21e,G4x,R30,R31,R32,R40,R40e,R50e */
-
-/* don't list other alternatives as we install a notify handler on the 570 */
-TPACPI_HANDLE(pci, root, "\\_SB.PCI"); /* 570 */
-
-static const struct acpi_device_id ibm_pci_device_ids[] = {
- {PCI_ROOT_HID_STRING, 0},
- {"", 0},
-};
-
-static struct tp_acpi_drv_struct ibm_dock_acpidriver[2] = {
- {
- .notify = dock_notify,
- .handle = &dock_handle,
- .type = ACPI_SYSTEM_NOTIFY,
- },
- {
- /* THIS ONE MUST NEVER BE USED FOR DRIVER AUTOLOADING.
- * We just use it to get notifications of dock hotplug
- * in very old thinkpads */
- .hid = ibm_pci_device_ids,
- .notify = dock_notify,
- .handle = &pci_handle,
- .type = ACPI_SYSTEM_NOTIFY,
- },
-};
-
-static struct ibm_struct dock_driver_data[2] = {
- {
- .name = "dock",
- .read = dock_read,
- .write = dock_write,
- .acpi = &ibm_dock_acpidriver[0],
- },
- {
- .name = "dock",
- .acpi = &ibm_dock_acpidriver[1],
- },
-};
-
-#define dock_docked() (_sta(dock_handle) & 1)
-
-static int __init dock_init(struct ibm_init_struct *iibm)
-{
- vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver\n");
-
- TPACPI_ACPIHANDLE_INIT(dock);
-
- vdbg_printk(TPACPI_DBG_INIT, "dock is %s\n",
- str_supported(dock_handle != NULL));
-
- return (dock_handle)? 0 : 1;
-}
-
-static int __init dock_init2(struct ibm_init_struct *iibm)
-{
- int dock2_needed;
-
- vdbg_printk(TPACPI_DBG_INIT, "initializing dock subdriver part 2\n");
-
- if (dock_driver_data[0].flags.acpi_driver_registered &&
- dock_driver_data[0].flags.acpi_notify_installed) {
- TPACPI_ACPIHANDLE_INIT(pci);
- dock2_needed = (pci_handle != NULL);
- vdbg_printk(TPACPI_DBG_INIT,
- "dock PCI handler for the TP 570 is %s\n",
- str_supported(dock2_needed));
- } else {
- vdbg_printk(TPACPI_DBG_INIT,
- "dock subdriver part 2 not required\n");
- dock2_needed = 0;
- }
-
- return (dock2_needed)? 0 : 1;
-}
-
-static void dock_notify(struct ibm_struct *ibm, u32 event)
-{
- int docked = dock_docked();
- int pci = ibm->acpi->hid && ibm->acpi->device &&
- acpi_match_device_ids(ibm->acpi->device, ibm_pci_device_ids);
- int data;
-
- if (event == 1 && !pci) /* 570 */
- data = 1; /* button */
- else if (event == 1 && pci) /* 570 */
- data = 3; /* dock */
- else if (event == 3 && docked)
- data = 1; /* button */
- else if (event == 3 && !docked)
- data = 2; /* undock */
- else if (event == 0 && docked)
- data = 3; /* dock */
- else {
- printk(TPACPI_ERR "unknown dock event %d, status %d\n",
- event, _sta(dock_handle));
- data = 0; /* unknown */
- }
- acpi_bus_generate_proc_event(ibm->acpi->device, event, data);
- acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
- ibm->acpi->device->dev.bus_id,
- event, data);
-}
-
-static int dock_read(char *p)
-{
- int len = 0;
- int docked = dock_docked();
-
- if (!dock_handle)
- len += sprintf(p + len, "status:\t\tnot supported\n");
- else if (!docked)
- len += sprintf(p + len, "status:\t\tundocked\n");
- else {
- len += sprintf(p + len, "status:\t\tdocked\n");
- len += sprintf(p + len, "commands:\tdock, undock\n");
- }
-
- return len;
-}
-
-static int dock_write(char *buf)
-{
- char *cmd;
-
- if (!dock_docked())
- return -ENODEV;
-
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "undock") == 0) {
- if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 0) ||
- !acpi_evalf(dock_handle, NULL, "_EJ0", "vd", 1))
- return -EIO;
- } else if (strlencmp(cmd, "dock") == 0) {
- if (!acpi_evalf(dock_handle, NULL, "_DCK", "vd", 1))
- return -EIO;
- } else
- return -EINVAL;
- }
-
- return 0;
-}
-
-#endif /* CONFIG_THINKPAD_ACPI_DOCK */
-
-/*************************************************************************
- * Bay subdriver
- */
-
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-
-TPACPI_HANDLE(bay, root, "\\_SB.PCI.IDE.SECN.MAST", /* 570 */
- "\\_SB.PCI0.IDE0.IDES.IDSM", /* 600e/x, 770e, 770x */
- "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */
- "\\_SB.PCI0.IDE0.SCND.MSTR", /* all others */
- ); /* A21e, R30, R31 */
-TPACPI_HANDLE(bay_ej, bay, "_EJ3", /* 600e/x, A2xm/p, A3x */
- "_EJ0", /* all others */
- ); /* 570,A21e,G4x,R30,R31,R32,R40e,R50e */
-TPACPI_HANDLE(bay2, root, "\\_SB.PCI0.IDE0.PRIM.SLAV", /* A3x, R32 */
- "\\_SB.PCI0.IDE0.IDEP.IDPS", /* 600e/x, 770e, 770x */
- ); /* all others */
-TPACPI_HANDLE(bay2_ej, bay2, "_EJ3", /* 600e/x, 770e, A3x */
- "_EJ0", /* 770x */
- ); /* all others */
-
-static int __init bay_init(struct ibm_init_struct *iibm)
-{
- vdbg_printk(TPACPI_DBG_INIT, "initializing bay subdriver\n");
-
- TPACPI_ACPIHANDLE_INIT(bay);
- if (bay_handle)
- TPACPI_ACPIHANDLE_INIT(bay_ej);
- TPACPI_ACPIHANDLE_INIT(bay2);
- if (bay2_handle)
- TPACPI_ACPIHANDLE_INIT(bay2_ej);
-
- tp_features.bay_status = bay_handle &&
- acpi_evalf(bay_handle, NULL, "_STA", "qv");
- tp_features.bay_status2 = bay2_handle &&
- acpi_evalf(bay2_handle, NULL, "_STA", "qv");
-
- tp_features.bay_eject = bay_handle && bay_ej_handle &&
- (strlencmp(bay_ej_path, "_EJ0") == 0 || experimental);
- tp_features.bay_eject2 = bay2_handle && bay2_ej_handle &&
- (strlencmp(bay2_ej_path, "_EJ0") == 0 || experimental);
-
- vdbg_printk(TPACPI_DBG_INIT,
- "bay 1: status %s, eject %s; bay 2: status %s, eject %s\n",
- str_supported(tp_features.bay_status),
- str_supported(tp_features.bay_eject),
- str_supported(tp_features.bay_status2),
- str_supported(tp_features.bay_eject2));
-
- return (tp_features.bay_status || tp_features.bay_eject ||
- tp_features.bay_status2 || tp_features.bay_eject2)? 0 : 1;
-}
-
-static void bay_notify(struct ibm_struct *ibm, u32 event)
-{
- acpi_bus_generate_proc_event(ibm->acpi->device, event, 0);
- acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
- ibm->acpi->device->dev.bus_id,
- event, 0);
-}
-
-#define bay_occupied(b) (_sta(b##_handle) & 1)
-
-static int bay_read(char *p)
-{
- int len = 0;
- int occupied = bay_occupied(bay);
- int occupied2 = bay_occupied(bay2);
- int eject, eject2;
-
- len += sprintf(p + len, "status:\t\t%s\n",
- tp_features.bay_status ?
- (occupied ? "occupied" : "unoccupied") :
- "not supported");
- if (tp_features.bay_status2)
- len += sprintf(p + len, "status2:\t%s\n", occupied2 ?
- "occupied" : "unoccupied");
-
- eject = tp_features.bay_eject && occupied;
- eject2 = tp_features.bay_eject2 && occupied2;
-
- if (eject && eject2)
- len += sprintf(p + len, "commands:\teject, eject2\n");
- else if (eject)
- len += sprintf(p + len, "commands:\teject\n");
- else if (eject2)
- len += sprintf(p + len, "commands:\teject2\n");
-
- return len;
-}
-
-static int bay_write(char *buf)
-{
- char *cmd;
-
- if (!tp_features.bay_eject && !tp_features.bay_eject2)
- return -ENODEV;
-
- while ((cmd = next_cmd(&buf))) {
- if (tp_features.bay_eject && strlencmp(cmd, "eject") == 0) {
- if (!acpi_evalf(bay_ej_handle, NULL, NULL, "vd", 1))
- return -EIO;
- } else if (tp_features.bay_eject2 &&
- strlencmp(cmd, "eject2") == 0) {
- if (!acpi_evalf(bay2_ej_handle, NULL, NULL, "vd", 1))
- return -EIO;
- } else
- return -EINVAL;
- }
-
- return 0;
-}
-
-static struct tp_acpi_drv_struct ibm_bay_acpidriver = {
- .notify = bay_notify,
- .handle = &bay_handle,
- .type = ACPI_SYSTEM_NOTIFY,
-};
-
-static struct ibm_struct bay_driver_data = {
- .name = "bay",
- .read = bay_read,
- .write = bay_write,
- .acpi = &ibm_bay_acpidriver,
-};
-
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
-
-/*************************************************************************
* CMOS subdriver
*/
TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
};
-enum led_status_t {
- TPACPI_LED_OFF = 0,
- TPACPI_LED_ON,
- TPACPI_LED_BLINK,
-};
-
static enum led_access_mode led_supported;
TPACPI_HANDLE(led, ec, "SLED", /* 570 */
"LED", /* all others */
); /* R30, R31 */
-#define TPACPI_LED_NUMLEDS 8
+#define TPACPI_LED_NUMLEDS 16
static struct tpacpi_led_classdev *tpacpi_leds;
static enum led_status_t tpacpi_led_state_cache[TPACPI_LED_NUMLEDS];
static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
"tpacpi::dock_batt",
"tpacpi::unknown_led",
"tpacpi::standby",
+ "tpacpi::dock_status1",
+ "tpacpi::dock_status2",
+ "tpacpi::unknown_led2",
+ "tpacpi::unknown_led3",
+ "tpacpi::thinkvantage",
};
+#define TPACPI_SAFE_LEDS 0x1081U
+
+static inline bool tpacpi_is_led_restricted(const unsigned int led)
+{
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ return false;
+#else
+ return (1U & (TPACPI_SAFE_LEDS >> led)) == 0;
+#endif
+}
static int led_get_status(const unsigned int led)
{
switch (led_supported) {
case TPACPI_LED_570:
/* 570 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
(1 << led), led_sled_arg1[ledstatus]))
rc = -EIO;
break;
case TPACPI_LED_OLD:
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
- if (led > 7)
+ if (unlikely(led > 7))
return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLBL,
break;
case TPACPI_LED_NEW:
/* all others */
+ if (unlikely(led >= TPACPI_LED_NUMLEDS))
+ return -EINVAL;
+ if (unlikely(tpacpi_is_led_restricted(led)))
+ return -EPERM;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_led_arg1[ledstatus]))
rc = -EIO;
return rc;
}
-static void led_sysfs_set_status(unsigned int led,
- enum led_brightness brightness)
-{
- led_set_status(led,
- (brightness == LED_OFF) ?
- TPACPI_LED_OFF :
- (tpacpi_led_state_cache[led] == TPACPI_LED_BLINK) ?
- TPACPI_LED_BLINK : TPACPI_LED_ON);
-}
-
static void led_set_status_worker(struct work_struct *work)
{
struct tpacpi_led_classdev *data =
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- led_sysfs_set_status(data->led, data->new_brightness);
+ led_set_status(data->led, data->new_state);
}
static void led_sysfs_set(struct led_classdev *led_cdev,
struct tpacpi_led_classdev *data = container_of(led_cdev,
struct tpacpi_led_classdev, led_classdev);
- data->new_brightness = brightness;
+ if (brightness == LED_OFF)
+ data->new_state = TPACPI_LED_OFF;
+ else if (tpacpi_led_state_cache[data->led] != TPACPI_LED_BLINK)
+ data->new_state = TPACPI_LED_ON;
+ else
+ data->new_state = TPACPI_LED_BLINK;
+
queue_work(tpacpi_wq, &data->work);
}
} else if ((*delay_on != 500) || (*delay_off != 500))
return -EINVAL;
- data->new_brightness = TPACPI_LED_BLINK;
+ data->new_state = TPACPI_LED_BLINK;
queue_work(tpacpi_wq, &data->work);
return 0;
kfree(tpacpi_leds);
}
+static int __init tpacpi_init_led(unsigned int led)
+{
+ int rc;
+
+ tpacpi_leds[led].led = led;
+
+ /* LEDs with no name don't get registered */
+ if (!tpacpi_led_names[led])
+ return 0;
+
+ tpacpi_leds[led].led_classdev.brightness_set = &led_sysfs_set;
+ tpacpi_leds[led].led_classdev.blink_set = &led_sysfs_blink_set;
+ if (led_supported == TPACPI_LED_570)
+ tpacpi_leds[led].led_classdev.brightness_get =
+ &led_sysfs_get;
+
+ tpacpi_leds[led].led_classdev.name = tpacpi_led_names[led];
+
+ INIT_WORK(&tpacpi_leds[led].work, led_set_status_worker);
+
+ rc = led_classdev_register(&tpacpi_pdev->dev,
+ &tpacpi_leds[led].led_classdev);
+ if (rc < 0)
+ tpacpi_leds[led].led_classdev.name = NULL;
+
+ return rc;
+}
+
+static const struct tpacpi_quirk led_useful_qtable[] __initconst = {
+ TPACPI_Q_IBM('1', 'E', 0x009f), /* A30 */
+ TPACPI_Q_IBM('1', 'N', 0x009f), /* A31 */
+ TPACPI_Q_IBM('1', 'G', 0x009f), /* A31 */
+
+ TPACPI_Q_IBM('1', 'I', 0x0097), /* T30 */
+ TPACPI_Q_IBM('1', 'R', 0x0097), /* T40, T41, T42, R50, R51 */
+ TPACPI_Q_IBM('7', '0', 0x0097), /* T43, R52 */
+ TPACPI_Q_IBM('1', 'Y', 0x0097), /* T43 */
+ TPACPI_Q_IBM('1', 'W', 0x0097), /* R50e */
+ TPACPI_Q_IBM('1', 'V', 0x0097), /* R51 */
+ TPACPI_Q_IBM('7', '8', 0x0097), /* R51e */
+ TPACPI_Q_IBM('7', '6', 0x0097), /* R52 */
+
+ TPACPI_Q_IBM('1', 'K', 0x00bf), /* X30 */
+ TPACPI_Q_IBM('1', 'Q', 0x00bf), /* X31, X32 */
+ TPACPI_Q_IBM('1', 'U', 0x00bf), /* X40 */
+ TPACPI_Q_IBM('7', '4', 0x00bf), /* X41 */
+ TPACPI_Q_IBM('7', '5', 0x00bf), /* X41t */
+
+ TPACPI_Q_IBM('7', '9', 0x1f97), /* T60 (1) */
+ TPACPI_Q_IBM('7', '7', 0x1f97), /* Z60* (1) */
+ TPACPI_Q_IBM('7', 'F', 0x1f97), /* Z61* (1) */
+ TPACPI_Q_IBM('7', 'B', 0x1fb7), /* X60 (1) */
+
+ /* (1) - may have excess leds enabled on MSB */
+
+ /* Defaults (order matters, keep last, don't reorder!) */
+ { /* Lenovo */
+ .vendor = PCI_VENDOR_ID_LENOVO,
+ .bios = TPACPI_MATCH_ANY, .ec = TPACPI_MATCH_ANY,
+ .quirks = 0x1fffU,
+ },
+ { /* IBM ThinkPads with no EC version string */
+ .vendor = PCI_VENDOR_ID_IBM,
+ .bios = TPACPI_MATCH_ANY, .ec = TPACPI_MATCH_UNKNOWN,
+ .quirks = 0x00ffU,
+ },
+ { /* IBM ThinkPads with EC version string */
+ .vendor = PCI_VENDOR_ID_IBM,
+ .bios = TPACPI_MATCH_ANY, .ec = TPACPI_MATCH_ANY,
+ .quirks = 0x00bfU,
+ },
+};
+
+#undef TPACPI_LEDQ_IBM
+#undef TPACPI_LEDQ_LNV
+
static int __init led_init(struct ibm_init_struct *iibm)
{
unsigned int i;
int rc;
+ unsigned long useful_leds;
vdbg_printk(TPACPI_DBG_INIT, "initializing LED subdriver\n");
vdbg_printk(TPACPI_DBG_INIT, "LED commands are %s, mode %d\n",
str_supported(led_supported), led_supported);
+ if (led_supported == TPACPI_LED_NONE)
+ return 1;
+
tpacpi_leds = kzalloc(sizeof(*tpacpi_leds) * TPACPI_LED_NUMLEDS,
GFP_KERNEL);
if (!tpacpi_leds) {
return -ENOMEM;
}
- for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
- tpacpi_leds[i].led = i;
-
- tpacpi_leds[i].led_classdev.brightness_set = &led_sysfs_set;
- tpacpi_leds[i].led_classdev.blink_set = &led_sysfs_blink_set;
- if (led_supported == TPACPI_LED_570)
- tpacpi_leds[i].led_classdev.brightness_get =
- &led_sysfs_get;
+ useful_leds = tpacpi_check_quirks(led_useful_qtable,
+ ARRAY_SIZE(led_useful_qtable));
- tpacpi_leds[i].led_classdev.name = tpacpi_led_names[i];
-
- INIT_WORK(&tpacpi_leds[i].work, led_set_status_worker);
-
- rc = led_classdev_register(&tpacpi_pdev->dev,
- &tpacpi_leds[i].led_classdev);
- if (rc < 0) {
- tpacpi_leds[i].led_classdev.name = NULL;
- led_exit();
- return rc;
+ for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
+ if (!tpacpi_is_led_restricted(i) &&
+ test_bit(i, &useful_leds)) {
+ rc = tpacpi_init_led(i);
+ if (rc < 0) {
+ led_exit();
+ return rc;
+ }
}
}
- return (led_supported != TPACPI_LED_NONE)? 0 : 1;
+#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
+ printk(TPACPI_NOTICE
+ "warning: userspace override of important "
+ "firmware LEDs is enabled\n");
+#endif
+ return 0;
}
#define str_led_status(s) \
}
len += sprintf(p + len, "commands:\t"
- "<led> on, <led> off, <led> blink (<led> is 0-7)\n");
+ "<led> on, <led> off, <led> blink (<led> is 0-15)\n");
return len;
}
return -ENODEV;
while ((cmd = next_cmd(&buf))) {
- if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 7)
+ if (sscanf(cmd, "%d", &led) != 1 || led < 0 || led > 15)
return -EINVAL;
if (strstr(cmd, "off")) {
TPACPI_HANDLE(beep, ec, "BEEP"); /* all except R30, R31 */
+#define TPACPI_BEEP_Q1 0x0001
+
+static const struct tpacpi_quirk beep_quirk_table[] __initconst = {
+ TPACPI_Q_IBM('I', 'M', TPACPI_BEEP_Q1), /* 570 */
+ TPACPI_Q_IBM('I', 'U', TPACPI_BEEP_Q1), /* 570E - unverified */
+};
+
static int __init beep_init(struct ibm_init_struct *iibm)
{
+ unsigned long quirks;
+
vdbg_printk(TPACPI_DBG_INIT, "initializing beep subdriver\n");
TPACPI_ACPIHANDLE_INIT(beep);
vdbg_printk(TPACPI_DBG_INIT, "beep is %s\n",
str_supported(beep_handle != NULL));
+ quirks = tpacpi_check_quirks(beep_quirk_table,
+ ARRAY_SIZE(beep_quirk_table));
+
+ tp_features.beep_needs_two_args = !!(quirks & TPACPI_BEEP_Q1);
+
return (beep_handle)? 0 : 1;
}
/* beep_cmd set */
} else
return -EINVAL;
- if (!acpi_evalf(beep_handle, NULL, NULL, "vdd", beep_cmd, 0))
- return -EIO;
+ if (tp_features.beep_needs_two_args) {
+ if (!acpi_evalf(beep_handle, NULL, NULL, "vdd",
+ beep_cmd, 0))
+ return -EIO;
+ } else {
+ if (!acpi_evalf(beep_handle, NULL, NULL, "vd",
+ beep_cmd))
+ return -EIO;
+ }
}
return 0;
} else
return -EINVAL;
}
-
- return 0;
+
+ return 0;
+}
+
+static struct ibm_struct ecdump_driver_data = {
+ .name = "ecdump",
+ .read = ecdump_read,
+ .write = ecdump_write,
+ .flags.experimental = 1,
+};
+
+/*************************************************************************
+ * Backlight/brightness subdriver
+ */
+
+#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
+
+/*
+ * ThinkPads can read brightness from two places: EC HBRV (0x31), or
+ * CMOS NVRAM byte 0x5E, bits 0-3.
+ *
+ * EC HBRV (0x31) has the following layout
+ * Bit 7: unknown function
+ * Bit 6: unknown function
+ * Bit 5: Z: honour scale changes, NZ: ignore scale changes
+ * Bit 4: must be set to zero to avoid problems
+ * Bit 3-0: backlight brightness level
+ *
+ * brightness_get_raw returns status data in the HBRV layout
+ *
+ * WARNING: The X61 has been verified to use HBRV for something else, so
+ * this should be used _only_ on IBM ThinkPads, and maybe with some careful
+ * testing on the very early *60 Lenovo models...
+ */
+
+enum {
+ TP_EC_BACKLIGHT = 0x31,
+
+ /* TP_EC_BACKLIGHT bitmasks */
+ TP_EC_BACKLIGHT_LVLMSK = 0x1F,
+ TP_EC_BACKLIGHT_CMDMSK = 0xE0,
+ TP_EC_BACKLIGHT_MAPSW = 0x20,
+};
+
+enum tpacpi_brightness_access_mode {
+ TPACPI_BRGHT_MODE_AUTO = 0, /* Not implemented yet */
+ TPACPI_BRGHT_MODE_EC, /* EC control */
+ TPACPI_BRGHT_MODE_UCMS_STEP, /* UCMS step-based control */
+ TPACPI_BRGHT_MODE_ECNVRAM, /* EC control w/ NVRAM store */
+ TPACPI_BRGHT_MODE_MAX
+};
+
+static struct backlight_device *ibm_backlight_device;
+
+static enum tpacpi_brightness_access_mode brightness_mode =
+ TPACPI_BRGHT_MODE_MAX;
+
+static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */
+
+static struct mutex brightness_mutex;
+
+/* NVRAM brightness access,
+ * call with brightness_mutex held! */
+static unsigned int tpacpi_brightness_nvram_get(void)
+{
+ u8 lnvram;
+
+ lnvram = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
+ & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
+ lnvram &= (tp_features.bright_16levels) ? 0x0f : 0x07;
+
+ return lnvram;
+}
+
+static void tpacpi_brightness_checkpoint_nvram(void)
+{
+ u8 lec = 0;
+ u8 b_nvram;
+
+ if (brightness_mode != TPACPI_BRGHT_MODE_ECNVRAM)
+ return;
+
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "trying to checkpoint backlight level to NVRAM...\n");
+
+ if (mutex_lock_killable(&brightness_mutex) < 0)
+ return;
+
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ goto unlock;
+ lec &= TP_EC_BACKLIGHT_LVLMSK;
+ b_nvram = nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS);
+
+ if (lec != ((b_nvram & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
+ >> TP_NVRAM_POS_LEVEL_BRIGHTNESS)) {
+ /* NVRAM needs update */
+ b_nvram &= ~(TP_NVRAM_MASK_LEVEL_BRIGHTNESS <<
+ TP_NVRAM_POS_LEVEL_BRIGHTNESS);
+ b_nvram |= lec;
+ nvram_write_byte(b_nvram, TP_NVRAM_ADDR_BRIGHTNESS);
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "updated NVRAM backlight level to %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+ } else
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "NVRAM backlight level already is %u (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
+
+unlock:
+ mutex_unlock(&brightness_mutex);
+}
+
+
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_get_raw(int *status)
+{
+ u8 lec = 0;
+
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ *status = tpacpi_brightness_nvram_get();
+ return 0;
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ return -EIO;
+ *status = lec;
+ return 0;
+ default:
+ return -ENXIO;
+ }
}
-static struct ibm_struct ecdump_driver_data = {
- .name = "ecdump",
- .read = ecdump_read,
- .write = ecdump_write,
- .flags.experimental = 1,
-};
+/* call with brightness_mutex held! */
+/* do NOT call with illegal backlight level value */
+static int tpacpi_brightness_set_ec(unsigned int value)
+{
+ u8 lec = 0;
-/*************************************************************************
- * Backlight/brightness subdriver
- */
+ if (unlikely(!acpi_ec_read(TP_EC_BACKLIGHT, &lec)))
+ return -EIO;
-#define TPACPI_BACKLIGHT_DEV_NAME "thinkpad_screen"
+ if (unlikely(!acpi_ec_write(TP_EC_BACKLIGHT,
+ (lec & TP_EC_BACKLIGHT_CMDMSK) |
+ (value & TP_EC_BACKLIGHT_LVLMSK))))
+ return -EIO;
-enum {
- TP_EC_BACKLIGHT = 0x31,
+ return 0;
+}
- /* TP_EC_BACKLIGHT bitmasks */
- TP_EC_BACKLIGHT_LVLMSK = 0x1F,
- TP_EC_BACKLIGHT_CMDMSK = 0xE0,
- TP_EC_BACKLIGHT_MAPSW = 0x20,
-};
+/* call with brightness_mutex held! */
+static int tpacpi_brightness_set_ucmsstep(unsigned int value)
+{
+ int cmos_cmd, inc;
+ unsigned int current_value, i;
-static struct backlight_device *ibm_backlight_device;
-static int brightness_mode;
-static unsigned int brightness_enable = 2; /* 2 = auto, 0 = no, 1 = yes */
+ current_value = tpacpi_brightness_nvram_get();
-static struct mutex brightness_mutex;
+ if (value == current_value)
+ return 0;
-/*
- * ThinkPads can read brightness from two places: EC 0x31, or
- * CMOS NVRAM byte 0x5E, bits 0-3.
- *
- * EC 0x31 has the following layout
- * Bit 7: unknown function
- * Bit 6: unknown function
- * Bit 5: Z: honour scale changes, NZ: ignore scale changes
- * Bit 4: must be set to zero to avoid problems
- * Bit 3-0: backlight brightness level
- *
- * brightness_get_raw returns status data in the EC 0x31 layout
- */
-static int brightness_get_raw(int *status)
-{
- u8 lec = 0, lcmos = 0, level = 0;
+ cmos_cmd = (value > current_value) ?
+ TP_CMOS_BRIGHTNESS_UP :
+ TP_CMOS_BRIGHTNESS_DOWN;
+ inc = (value > current_value) ? 1 : -1;
- if (brightness_mode & 1) {
- if (!acpi_ec_read(TP_EC_BACKLIGHT, &lec))
- return -EIO;
- level = lec & TP_EC_BACKLIGHT_LVLMSK;
- };
- if (brightness_mode & 2) {
- lcmos = (nvram_read_byte(TP_NVRAM_ADDR_BRIGHTNESS)
- & TP_NVRAM_MASK_LEVEL_BRIGHTNESS)
- >> TP_NVRAM_POS_LEVEL_BRIGHTNESS;
- lcmos &= (tp_features.bright_16levels)? 0x0f : 0x07;
- level = lcmos;
- }
-
- if (brightness_mode == 3) {
- *status = lec; /* Prefer EC, CMOS is just a backing store */
- lec &= TP_EC_BACKLIGHT_LVLMSK;
- if (lec == lcmos)
- tp_warned.bright_cmos_ec_unsync = 0;
- else {
- if (!tp_warned.bright_cmos_ec_unsync) {
- printk(TPACPI_ERR
- "CMOS NVRAM (%u) and EC (%u) do not "
- "agree on display brightness level\n",
- (unsigned int) lcmos,
- (unsigned int) lec);
- tp_warned.bright_cmos_ec_unsync = 1;
- }
+ for (i = current_value; i != value; i += inc)
+ if (issue_thinkpad_cmos_command(cmos_cmd))
return -EIO;
- }
- } else {
- *status = level;
- }
return 0;
}
/* May return EINTR which can always be mapped to ERESTARTSYS */
-static int brightness_set(int value)
+static int brightness_set(unsigned int value)
{
- int cmos_cmd, inc, i, res;
- int current_value;
- int command_bits;
+ int res;
if (value > ((tp_features.bright_16levels)? 15 : 7) ||
value < 0)
return -EINVAL;
- res = mutex_lock_interruptible(&brightness_mutex);
- if (res < 0)
- return res;
+ vdbg_printk(TPACPI_DBG_BRGHT,
+ "set backlight level to %d\n", value);
- res = brightness_get_raw(¤t_value);
+ res = mutex_lock_killable(&brightness_mutex);
if (res < 0)
- goto errout;
-
- command_bits = current_value & TP_EC_BACKLIGHT_CMDMSK;
- current_value &= TP_EC_BACKLIGHT_LVLMSK;
-
- cmos_cmd = value > current_value ?
- TP_CMOS_BRIGHTNESS_UP :
- TP_CMOS_BRIGHTNESS_DOWN;
- inc = (value > current_value)? 1 : -1;
+ return res;
- res = 0;
- for (i = current_value; i != value; i += inc) {
- if ((brightness_mode & 2) &&
- issue_thinkpad_cmos_command(cmos_cmd)) {
- res = -EIO;
- goto errout;
- }
- if ((brightness_mode & 1) &&
- !acpi_ec_write(TP_EC_BACKLIGHT,
- (i + inc) | command_bits)) {
- res = -EIO;
- goto errout;;
- }
+ switch (brightness_mode) {
+ case TPACPI_BRGHT_MODE_EC:
+ case TPACPI_BRGHT_MODE_ECNVRAM:
+ res = tpacpi_brightness_set_ec(value);
+ break;
+ case TPACPI_BRGHT_MODE_UCMS_STEP:
+ res = tpacpi_brightness_set_ucmsstep(value);
+ break;
+ default:
+ res = -ENXIO;
}
-errout:
mutex_unlock(&brightness_mutex);
return res;
}
static int brightness_update_status(struct backlight_device *bd)
{
- /* it is the backlight class's job (caller) to handle
- * EINTR and other errors properly */
- return brightness_set(
+ unsigned int level =
(bd->props.fb_blank == FB_BLANK_UNBLANK &&
bd->props.power == FB_BLANK_UNBLANK) ?
- bd->props.brightness : 0);
+ bd->props.brightness : 0;
+
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "backlight: attempt to set level to %d\n",
+ level);
+
+ /* it is the backlight class's job (caller) to handle
+ * EINTR and other errors properly */
+ return brightness_set(level);
}
static int brightness_get(struct backlight_device *bd)
{
int status, res;
- res = brightness_get_raw(&status);
+ res = mutex_lock_killable(&brightness_mutex);
+ if (res < 0)
+ return 0;
+
+ res = tpacpi_brightness_get_raw(&status);
+
+ mutex_unlock(&brightness_mutex);
+
if (res < 0)
- return 0; /* FIXME: teach backlight about error handling */
+ return 0;
return status & TP_EC_BACKLIGHT_LVLMSK;
}
/* --------------------------------------------------------------------- */
+/*
+ * These are only useful for models that have only one possibility
+ * of GPU. If the BIOS model handles both ATI and Intel, don't use
+ * these quirks.
+ */
+#define TPACPI_BRGHT_Q_NOEC 0x0001 /* Must NOT use EC HBRV */
+#define TPACPI_BRGHT_Q_EC 0x0002 /* Should or must use EC HBRV */
+#define TPACPI_BRGHT_Q_ASK 0x8000 /* Ask for user report */
+
+static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
+ /* Models with ATI GPUs known to require ECNVRAM mode */
+ TPACPI_Q_IBM('1', 'Y', TPACPI_BRGHT_Q_EC), /* T43/p ATI */
+
+ /* Models with ATI GPUs that can use ECNVRAM */
+ TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_EC),
+ TPACPI_Q_IBM('1', 'Q', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+ TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+ TPACPI_Q_IBM('7', '8', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+
+ /* Models with Intel Extreme Graphics 2 */
+ TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC),
+ TPACPI_Q_IBM('1', 'V', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_NOEC),
+ TPACPI_Q_IBM('1', 'W', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_NOEC),
+
+ /* Models with Intel GMA900 */
+ TPACPI_Q_IBM('7', '0', TPACPI_BRGHT_Q_NOEC), /* T43, R52 */
+ TPACPI_Q_IBM('7', '4', TPACPI_BRGHT_Q_NOEC), /* X41 */
+ TPACPI_Q_IBM('7', '5', TPACPI_BRGHT_Q_NOEC), /* X41 Tablet */
+};
+
static int __init brightness_init(struct ibm_init_struct *iibm)
{
int b;
+ unsigned long quirks;
vdbg_printk(TPACPI_DBG_INIT, "initializing brightness subdriver\n");
mutex_init(&brightness_mutex);
+ quirks = tpacpi_check_quirks(brightness_quirk_table,
+ ARRAY_SIZE(brightness_quirk_table));
+
/*
* We always attempt to detect acpi support, so as to switch
* Lenovo Vista BIOS to ACPI brightness mode even if we are not
}
if (!brightness_enable) {
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
"brightness support disabled by "
"module parameter\n");
return 1;
if (b == 16)
tp_features.bright_16levels = 1;
- if (!brightness_mode) {
- if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO)
- brightness_mode = 2;
+ /*
+ * Check for module parameter bogosity, note that we
+ * init brightness_mode to TPACPI_BRGHT_MODE_MAX in order to be
+ * able to detect "unspecified"
+ */
+ if (brightness_mode > TPACPI_BRGHT_MODE_MAX)
+ return -EINVAL;
+
+ /* TPACPI_BRGHT_MODE_AUTO not implemented yet, just use default */
+ if (brightness_mode == TPACPI_BRGHT_MODE_AUTO ||
+ brightness_mode == TPACPI_BRGHT_MODE_MAX) {
+ if (quirks & TPACPI_BRGHT_Q_EC)
+ brightness_mode = TPACPI_BRGHT_MODE_ECNVRAM;
else
- brightness_mode = 3;
+ brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;
- dbg_printk(TPACPI_DBG_INIT, "selected brightness_mode=%d\n",
- brightness_mode);
+ dbg_printk(TPACPI_DBG_BRGHT,
+ "driver auto-selected brightness_mode=%d\n",
+ brightness_mode);
}
- if (brightness_mode > 3)
+ /* Safety */
+ if (thinkpad_id.vendor != PCI_VENDOR_ID_IBM &&
+ (brightness_mode == TPACPI_BRGHT_MODE_ECNVRAM ||
+ brightness_mode == TPACPI_BRGHT_MODE_EC))
return -EINVAL;
- if (brightness_get_raw(&b) < 0)
+ if (tpacpi_brightness_get_raw(&b) < 0)
return 1;
if (tp_features.bright_16levels)
TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
&ibm_backlight_data);
if (IS_ERR(ibm_backlight_device)) {
+ int rc = PTR_ERR(ibm_backlight_device);
+ ibm_backlight_device = NULL;
printk(TPACPI_ERR "Could not register backlight device\n");
- return PTR_ERR(ibm_backlight_device);
+ return rc;
+ }
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
+ "brightness is supported\n");
+
+ if (quirks & TPACPI_BRGHT_Q_ASK) {
+ printk(TPACPI_NOTICE
+ "brightness: will use unverified default: "
+ "brightness_mode=%d\n", brightness_mode);
+ printk(TPACPI_NOTICE
+ "brightness: please report to %s whether it works well "
+ "or not on your ThinkPad\n", TPACPI_MAIL);
}
- vdbg_printk(TPACPI_DBG_INIT, "brightness is supported\n");
ibm_backlight_device->props.max_brightness =
(tp_features.bright_16levels)? 15 : 7;
return 0;
}
+static void brightness_suspend(pm_message_t state)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
+static void brightness_shutdown(void)
+{
+ tpacpi_brightness_checkpoint_nvram();
+}
+
static void brightness_exit(void)
{
if (ibm_backlight_device) {
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_BRGHT,
"calling backlight_device_unregister()\n");
backlight_device_unregister(ibm_backlight_device);
}
+
+ tpacpi_brightness_checkpoint_nvram();
}
static int brightness_read(char *p)
return -EINVAL;
}
+ tpacpi_disclose_usertask("procfs brightness",
+ "set level to %d\n", level);
+
/*
* Now we know what the final level should be, so we try to set it.
* Doing it this way makes the syscall restartable in case of EINTR
.read = brightness_read,
.write = brightness_write,
.exit = brightness_exit,
+ .suspend = brightness_suspend,
+ .shutdown = brightness_shutdown,
};
/*************************************************************************
* ThinkPads from this same time period (and earlier) probably lack the
* tachometer as well.
*
- * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare
+ * Unfortunately a lot of ThinkPads with new-style ECs but whose firmware
* was never fixed by IBM to report the EC firmware version string
* probably support the tachometer (like the early X models), so
* detecting it is quite hard. We need more data to know for sure.
* For firmware bugs, refer to:
* http://thinkwiki.org/wiki/Embedded_Controller_Firmware#Firmware_Issues
*
+ * ----
+ *
+ * ThinkPad EC register 0x31 bit 0 (only on select models)
+ *
+ * When bit 0 of EC register 0x31 is zero, the tachometer registers
+ * show the speed of the main fan. When bit 0 of EC register 0x31
+ * is one, the tachometer registers show the speed of the auxiliary
+ * fan.
+ *
+ * Fan control seems to affect both fans, regardless of the state
+ * of this bit.
+ *
+ * So far, only the firmware for the X60/X61 non-tablet versions
+ * seem to support this (firmware TP-7M).
+ *
* TPACPI_FAN_WR_ACPI_FANS:
* ThinkPad X31, X40, X41. Not available in the X60.
*
* The speeds are stored on handles
* (FANA:FAN9), (FANC:FANB), (FANE:FAND).
*
- * There are three default speed sets, acessible as handles:
+ * There are three default speed sets, accessible as handles:
* FS1L,FS1M,FS1H; FS2L,FS2M,FS2H; FS3L,FS3M,FS3H
*
* ACPI DSDT switches which set is in use depending on various
fan_status_offset = 0x2f, /* EC register 0x2f */
fan_rpm_offset = 0x84, /* EC register 0x84: LSB, 0x85 MSB (RPM)
* 0x84 must be read before 0x85 */
+ fan_select_offset = 0x31, /* EC register 0x31 (Firmware 7M)
+ bit 0 selects which fan is active */
TP_EC_FAN_FULLSPEED = 0x40, /* EC fan mode: full speed */
TP_EC_FAN_AUTO = 0x80, /* EC fan mode: auto fan control */
); /* all others */
/*
+ * Unitialized HFSP quirk: ACPI DSDT and EC fail to initialize the
+ * HFSP register at boot, so it contains 0x07 but the Thinkpad could
+ * be in auto mode (0x80).
+ *
+ * This is corrected by any write to HFSP either by the driver, or
+ * by the firmware.
+ *
+ * We assume 0x07 really means auto mode while this quirk is active,
+ * as this is far more likely than the ThinkPad being in level 7,
+ * which is only used by the firmware during thermal emergencies.
+ *
+ * Enable for TP-1Y (T43), TP-78 (R51e), TP-76 (R52),
+ * TP-70 (T43, R52), which are known to be buggy.
+ */
+
+static void fan_quirk1_setup(void)
+{
+ if (fan_control_initial_status == 0x07) {
+ printk(TPACPI_NOTICE
+ "fan_init: initial fan status is unknown, "
+ "assuming it is in auto mode\n");
+ tp_features.fan_ctrl_status_undef = 1;
+ }
+}
+
+static void fan_quirk1_handle(u8 *fan_status)
+{
+ if (unlikely(tp_features.fan_ctrl_status_undef)) {
+ if (*fan_status != fan_control_initial_status) {
+ /* something changed the HFSP regisnter since
+ * driver init time, so it is not undefined
+ * anymore */
+ tp_features.fan_ctrl_status_undef = 0;
+ } else {
+ /* Return most likely status. In fact, it
+ * might be the only possible status */
+ *fan_status = TP_EC_FAN_AUTO;
+ }
+ }
+}
+
+/* Select main fan on X60/X61, NOOP on others */
+static bool fan_select_fan1(void)
+{
+ if (tp_features.second_fan) {
+ u8 val;
+
+ if (ec_read(fan_select_offset, &val) < 0)
+ return false;
+ val &= 0xFEU;
+ if (ec_write(fan_select_offset, val) < 0)
+ return false;
+ }
+ return true;
+}
+
+/* Select secondary fan on X60/X61 */
+static bool fan_select_fan2(void)
+{
+ u8 val;
+
+ if (!tp_features.second_fan)
+ return false;
+
+ if (ec_read(fan_select_offset, &val) < 0)
+ return false;
+ val |= 0x01U;
+ if (ec_write(fan_select_offset, val) < 0)
+ return false;
+
+ return true;
+}
+
+/*
* Call with fan_mutex held
*/
static void fan_update_desired_level(u8 status)
if (unlikely(!acpi_ec_read(fan_status_offset, &s)))
return -EIO;
- if (likely(status))
+ if (likely(status)) {
*status = s;
+ fan_quirk1_handle(status);
+ }
break;
int rc;
u8 s;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
rc = fan_get_status(&s);
if (!rc)
switch (fan_status_access_mode) {
case TPACPI_FAN_RD_TPEC:
/* all except 570, 600e/x, 770e, 770x */
+ if (unlikely(!fan_select_fan1()))
+ return -EIO;
if (unlikely(!acpi_ec_read(fan_rpm_offset, &lo) ||
!acpi_ec_read(fan_rpm_offset + 1, &hi)))
return -EIO;
return 0;
}
+static int fan2_get_speed(unsigned int *speed)
+{
+ u8 hi, lo;
+ bool rc;
+
+ switch (fan_status_access_mode) {
+ case TPACPI_FAN_RD_TPEC:
+ /* all except 570, 600e/x, 770e, 770x */
+ if (unlikely(!fan_select_fan2()))
+ return -EIO;
+ rc = !acpi_ec_read(fan_rpm_offset, &lo) ||
+ !acpi_ec_read(fan_rpm_offset + 1, &hi);
+ fan_select_fan1(); /* play it safe */
+ if (rc)
+ return -EIO;
+
+ if (likely(speed))
+ *speed = (hi << 8) | lo;
+
+ break;
+
+ default:
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
static int fan_set_level(int level)
{
if (!fan_control_allowed)
default:
return -ENXIO;
}
+
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n", level);
return 0;
}
if (!fan_control_allowed)
return -EPERM;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
if (level == TPACPI_FAN_LAST_LEVEL)
if (!fan_control_allowed)
return -EPERM;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
switch (fan_control_access_mode) {
}
mutex_unlock(&fan_mutex);
+
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0x%02x\n",
+ s);
return rc;
}
if (!fan_control_allowed)
return -EPERM;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
rc = 0;
rc = -ENXIO;
}
+ if (!rc)
+ vdbg_printk(TPACPI_DBG_FAN,
+ "fan control: set fan control register to 0\n");
mutex_unlock(&fan_mutex);
return rc;
if (!fan_control_allowed)
return -EPERM;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
rc = 0;
if (res)
return res;
- if (unlikely(tp_features.fan_ctrl_status_undef)) {
- if (status != fan_control_initial_status) {
- tp_features.fan_ctrl_status_undef = 0;
- } else {
- /* Return most likely status. In fact, it
- * might be the only possible status */
- status = TP_EC_FAN_AUTO;
- }
- }
-
if (status & TP_EC_FAN_FULLSPEED) {
mode = 0;
} else if (status & TP_EC_FAN_AUTO) {
if (parse_strtoul(buf, 2, &t))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1_enable",
+ "set fan mode to %lu\n", t);
+
switch (t) {
case 0:
level = TP_EC_FAN_FULLSPEED;
if (res)
return res;
- if (unlikely(tp_features.fan_ctrl_status_undef)) {
- if (status != fan_control_initial_status) {
- tp_features.fan_ctrl_status_undef = 0;
- } else {
- status = TP_EC_FAN_AUTO;
- }
- }
-
if ((status &
(TP_EC_FAN_AUTO | TP_EC_FAN_FULLSPEED)) != 0)
status = fan_control_desired_level;
if (parse_strtoul(buf, 255, &s))
return -EINVAL;
+ tpacpi_disclose_usertask("hwmon pwm1",
+ "set fan speed to %lu\n", s);
+
/* scale down from 0-255 to 0-7 */
newlevel = (s >> 5) & 0x07;
- if (mutex_lock_interruptible(&fan_mutex))
+ if (mutex_lock_killable(&fan_mutex))
return -ERESTARTSYS;
rc = fan_get_status(&status);
__ATTR(fan1_input, S_IRUGO,
fan_fan1_input_show, NULL);
+/* sysfs fan fan2_input ------------------------------------------------ */
+static ssize_t fan_fan2_input_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int res;
+ unsigned int speed;
+
+ res = fan2_get_speed(&speed);
+ if (res < 0)
+ return res;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", speed);
+}
+
+static struct device_attribute dev_attr_fan_fan2_input =
+ __ATTR(fan2_input, S_IRUGO,
+ fan_fan2_input_show, NULL);
+
/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
char *buf)
fan_watchdog_maxinterval = t;
fan_watchdog_reset();
+ tpacpi_disclose_usertask("fan_watchdog", "set to %lu\n", t);
+
return count;
}
static struct attribute *fan_attributes[] = {
&dev_attr_fan_pwm1_enable.attr, &dev_attr_fan_pwm1.attr,
&dev_attr_fan_fan1_input.attr,
+ NULL, /* for fan2_input */
NULL
};
.attrs = fan_attributes,
};
+#define TPACPI_FAN_Q1 0x0001 /* Unitialized HFSP */
+#define TPACPI_FAN_2FAN 0x0002 /* EC 0x31 bit 0 selects fan2 */
+
+#define TPACPI_FAN_QI(__id1, __id2, __quirks) \
+ { .vendor = PCI_VENDOR_ID_IBM, \
+ .bios = TPACPI_MATCH_ANY, \
+ .ec = TPID(__id1, __id2), \
+ .quirks = __quirks }
+
+#define TPACPI_FAN_QL(__id1, __id2, __quirks) \
+ { .vendor = PCI_VENDOR_ID_LENOVO, \
+ .bios = TPACPI_MATCH_ANY, \
+ .ec = TPID(__id1, __id2), \
+ .quirks = __quirks }
+
+static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
+ TPACPI_FAN_QI('1', 'Y', TPACPI_FAN_Q1),
+ TPACPI_FAN_QI('7', '8', TPACPI_FAN_Q1),
+ TPACPI_FAN_QI('7', '6', TPACPI_FAN_Q1),
+ TPACPI_FAN_QI('7', '0', TPACPI_FAN_Q1),
+ TPACPI_FAN_QL('7', 'M', TPACPI_FAN_2FAN),
+};
+
+#undef TPACPI_FAN_QL
+#undef TPACPI_FAN_QI
+
static int __init fan_init(struct ibm_init_struct *iibm)
{
int rc;
+ unsigned long quirks;
- vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n");
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "initializing fan subdriver\n");
mutex_init(&fan_mutex);
fan_status_access_mode = TPACPI_FAN_NONE;
fan_control_commands = 0;
fan_watchdog_maxinterval = 0;
tp_features.fan_ctrl_status_undef = 0;
+ tp_features.second_fan = 0;
fan_control_desired_level = 7;
TPACPI_ACPIHANDLE_INIT(fans);
TPACPI_ACPIHANDLE_INIT(gfan);
TPACPI_ACPIHANDLE_INIT(sfan);
+ quirks = tpacpi_check_quirks(fan_quirk_table,
+ ARRAY_SIZE(fan_quirk_table));
+
if (gfan_handle) {
/* 570, 600e/x, 770e, 770x */
fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN;
if (likely(acpi_ec_read(fan_status_offset,
&fan_control_initial_status))) {
fan_status_access_mode = TPACPI_FAN_RD_TPEC;
-
- /* In some ThinkPads, neither the EC nor the ACPI
- * DSDT initialize the fan status, and it ends up
- * being set to 0x07 when it *could* be either
- * 0x07 or 0x80.
- *
- * Enable for TP-1Y (T43), TP-78 (R51e),
- * TP-76 (R52), TP-70 (T43, R52), which are known
- * to be buggy. */
- if (fan_control_initial_status == 0x07) {
- switch (thinkpad_id.ec_model) {
- case 0x5931: /* TP-1Y */
- case 0x3837: /* TP-78 */
- case 0x3637: /* TP-76 */
- case 0x3037: /* TP-70 */
- printk(TPACPI_NOTICE
- "fan_init: initial fan status "
- "is unknown, assuming it is "
- "in auto mode\n");
- tp_features.fan_ctrl_status_undef = 1;
- ;;
- }
+ if (quirks & TPACPI_FAN_Q1)
+ fan_quirk1_setup();
+ if (quirks & TPACPI_FAN_2FAN) {
+ tp_features.second_fan = 1;
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "secondary fan support enabled\n");
}
} else {
printk(TPACPI_ERR
}
}
- vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n",
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
+ "fan is %s, modes %d, %d\n",
str_supported(fan_status_access_mode != TPACPI_FAN_NONE ||
fan_control_access_mode != TPACPI_FAN_WR_NONE),
fan_status_access_mode, fan_control_access_mode);
if (!fan_control_allowed) {
fan_control_access_mode = TPACPI_FAN_WR_NONE;
fan_control_commands = 0;
- dbg_printk(TPACPI_DBG_INIT,
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
"fan control features disabled by parameter\n");
}
if (fan_status_access_mode != TPACPI_FAN_NONE ||
fan_control_access_mode != TPACPI_FAN_WR_NONE) {
+ if (tp_features.second_fan) {
+ /* attach second fan tachometer */
+ fan_attributes[ARRAY_SIZE(fan_attributes)-2] =
+ &dev_attr_fan_fan2_input.attr;
+ }
rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&fan_attr_group);
if (rc < 0)
static void fan_exit(void)
{
- vdbg_printk(TPACPI_DBG_EXIT,
+ vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_FAN,
"cancelling any pending fan watchdog tasks\n");
/* FIXME: can we really do this unconditionally? */
if (rc < 0)
return rc;
- if (unlikely(tp_features.fan_ctrl_status_undef)) {
- if (status != fan_control_initial_status)
- tp_features.fan_ctrl_status_undef = 0;
- else
- /* Return most likely status. In fact, it
- * might be the only possible status */
- status = TP_EC_FAN_AUTO;
- }
-
len += sprintf(p + len, "status:\t\t%s\n",
(status != 0) ? "enabled" : "disabled");
if (*rc == -ENXIO)
printk(TPACPI_ERR "level command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set level to %d\n", level);
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "enable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "enable\n");
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "disable command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan", "disable\n");
return 1;
}
if (*rc == -ENXIO)
printk(TPACPI_ERR "speed command accepted for unsupported "
"access mode %d", fan_control_access_mode);
+ else if (!*rc)
+ tpacpi_disclose_usertask("procfs fan",
+ "set speed to %d\n", speed);
return 1;
}
if (interval < 0 || interval > 120)
*rc = -EINVAL;
- else
+ else {
fan_watchdog_maxinterval = interval;
+ tpacpi_disclose_usertask("procfs fan",
+ "set watchdog timer to %d\n",
+ interval);
+ }
return 1;
}
****************************************************************************
****************************************************************************/
+/*
+ * HKEY event callout for other subdrivers go here
+ * (yes, it is ugly, but it is quick, safe, and gets the job done
+ */
+static void tpacpi_driver_event(const unsigned int hkey_event)
+{
+}
+
+
+
+static void hotkey_driver_event(const unsigned int scancode)
+{
+ tpacpi_driver_event(TP_HKEY_EV_HOTKEY_BASE + scancode);
+}
+
/* sysfs name ---------------------------------------------------------- */
static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev,
struct device_attribute *attr,
ret = -ENODEV;
goto err_out;
}
- entry->owner = THIS_MODULE;
entry->data = ibm;
entry->read_proc = &dispatch_procfs_read;
if (ibm->write)
/* Probing */
+static bool __pure __init tpacpi_is_fw_digit(const char c)
+{
+ return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z');
+}
+
+/* Most models: xxyTkkWW (#.##c); Ancient 570/600 and -SL lacks (#.##c) */
+static bool __pure __init tpacpi_is_valid_fw_id(const char* const s,
+ const char t)
+{
+ return s && strlen(s) >= 8 &&
+ tpacpi_is_fw_digit(s[0]) &&
+ tpacpi_is_fw_digit(s[1]) &&
+ s[2] == t && s[3] == 'T' &&
+ tpacpi_is_fw_digit(s[4]) &&
+ tpacpi_is_fw_digit(s[5]) &&
+ s[6] == 'W' && s[7] == 'W';
+}
+
/* returns 0 - probe ok, or < 0 - probe error.
* Probe ok doesn't mean thinkpad found.
* On error, kfree() cleanup on tp->* is not performed, caller must do it */
tp->bios_version_str = kstrdup(s, GFP_KERNEL);
if (s && !tp->bios_version_str)
return -ENOMEM;
- if (!tp->bios_version_str)
+
+ /* Really ancient ThinkPad 240X will fail this, which is fine */
+ if (!tpacpi_is_valid_fw_id(tp->bios_version_str, 'E'))
return 0;
+
tp->bios_model = tp->bios_version_str[0]
| (tp->bios_version_str[1] << 8);
+ tp->bios_release = (tp->bios_version_str[4] << 8)
+ | tp->bios_version_str[5];
/*
* ThinkPad T23 or newer, A31 or newer, R50e or newer,
tp->ec_version_str = kstrdup(ec_fw_string, GFP_KERNEL);
if (!tp->ec_version_str)
return -ENOMEM;
- tp->ec_model = ec_fw_string[0]
- | (ec_fw_string[1] << 8);
+
+ if (tpacpi_is_valid_fw_id(ec_fw_string, 'H')) {
+ tp->ec_model = ec_fw_string[0]
+ | (ec_fw_string[1] << 8);
+ tp->ec_release = (ec_fw_string[4] << 8)
+ | ec_fw_string[5];
+ } else {
+ printk(TPACPI_NOTICE
+ "ThinkPad firmware release %s "
+ "doesn't match the known patterns\n",
+ ec_fw_string);
+ printk(TPACPI_NOTICE
+ "please report this to %s\n",
+ TPACPI_MAIL);
+ }
break;
}
}
/*
* Non-ancient models have better DMI tagging, but very old models
- * don't.
+ * don't. tpacpi_is_fw_known() is a cheat to help in that case.
*/
- is_thinkpad = (thinkpad_id.model_str != NULL);
+ is_thinkpad = (thinkpad_id.model_str != NULL) ||
+ (thinkpad_id.ec_model != 0) ||
+ tpacpi_is_fw_known();
/* ec is required because many other handles are relative to it */
TPACPI_ACPIHANDLE_INIT(ec);
return -ENODEV;
}
- /*
- * Risks a regression on very old machines, but reduces potential
- * false positives a damn great deal
- */
- if (!is_thinkpad)
- is_thinkpad = (thinkpad_id.vendor == PCI_VENDOR_ID_IBM);
-
if (!is_thinkpad && !force_load)
return -ENODEV;
.init = wan_init,
.data = &wan_driver_data,
},
+ {
+ .init = uwb_init,
+ .data = &uwb_driver_data,
+ },
#ifdef CONFIG_THINKPAD_ACPI_VIDEO
{
.init = video_init,
.init = light_init,
.data = &light_driver_data,
},
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
- {
- .init = dock_init,
- .data = &dock_driver_data[0],
- },
- {
- .init = dock_init2,
- .data = &dock_driver_data[1],
- },
-#endif
-#ifdef CONFIG_THINKPAD_ACPI_BAY
- {
- .init = bay_init,
- .data = &bay_driver_data,
- },
-#endif
{
.init = cmos_init,
.data = &cmos_driver_data,
MODULE_PARM_DESC(fan_control,
"Enables setting fan parameters features when true");
-module_param_named(brightness_mode, brightness_mode, int, 0);
+module_param_named(brightness_mode, brightness_mode, uint, 0);
MODULE_PARM_DESC(brightness_mode,
"Selects brightness control strategy: "
- "0=auto, 1=EC, 2=CMOS, 3=both");
+ "0=auto, 1=EC, 2=UCMS, 3=EC+NVRAM");
module_param(brightness_enable, uint, 0);
MODULE_PARM_DESC(brightness_enable,
TPACPI_PARAM(bluetooth);
TPACPI_PARAM(video);
TPACPI_PARAM(light);
-#ifdef CONFIG_THINKPAD_ACPI_DOCK
-TPACPI_PARAM(dock);
-#endif
-#ifdef CONFIG_THINKPAD_ACPI_BAY
-TPACPI_PARAM(bay);
-#endif /* CONFIG_THINKPAD_ACPI_BAY */
TPACPI_PARAM(cmos);
TPACPI_PARAM(led);
TPACPI_PARAM(beep);
TPACPI_PARAM(volume);
TPACPI_PARAM(fan);
+#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
+module_param(dbg_wlswemul, uint, 0);
+MODULE_PARM_DESC(dbg_wlswemul, "Enables WLSW emulation");
+module_param_named(wlsw_state, tpacpi_wlsw_emulstate, bool, 0);
+MODULE_PARM_DESC(wlsw_state,
+ "Initial state of the emulated WLSW switch");
+
+module_param(dbg_bluetoothemul, uint, 0);
+MODULE_PARM_DESC(dbg_bluetoothemul, "Enables bluetooth switch emulation");
+module_param_named(bluetooth_state, tpacpi_bluetooth_emulstate, bool, 0);
+MODULE_PARM_DESC(bluetooth_state,
+ "Initial state of the emulated bluetooth switch");
+
+module_param(dbg_wwanemul, uint, 0);
+MODULE_PARM_DESC(dbg_wwanemul, "Enables WWAN switch emulation");
+module_param_named(wwan_state, tpacpi_wwan_emulstate, bool, 0);
+MODULE_PARM_DESC(wwan_state,
+ "Initial state of the emulated WWAN switch");
+
+module_param(dbg_uwbemul, uint, 0);
+MODULE_PARM_DESC(dbg_uwbemul, "Enables UWB switch emulation");
+module_param_named(uwb_state, tpacpi_uwb_emulstate, bool, 0);
+MODULE_PARM_DESC(uwb_state,
+ "Initial state of the emulated UWB switch");
+#endif
+
static void thinkpad_acpi_module_exit(void)
{
struct ibm_struct *ibm, *itmp;
thinkpad_acpi_module_exit();
return -ENODEV;
}
- proc_dir->owner = THIS_MODULE;
ret = platform_driver_register(&tpacpi_pdriver);
if (ret) {
return 0;
}
-/* Please remove this in year 2009 */
-MODULE_ALIAS("ibm_acpi");
-
MODULE_ALIAS(TPACPI_DRVR_SHORTNAME);
/*
+ * This will autoload the driver in almost every ThinkPad
+ * in widespread use.
+ *
+ * Only _VERY_ old models, like the 240, 240x and 570 lack
+ * the HKEY event interface.
+ */
+MODULE_DEVICE_TABLE(acpi, ibm_htk_device_ids);
+
+/*
* DMI matching for module autoloading
*
* See http://thinkwiki.org/wiki/List_of_DMI_IDs
* if it is not there yet.
*/
#define IBM_BIOS_MODULE_ALIAS(__type) \
- MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW")
-
-/* Non-ancient thinkpads */
-MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*");
-MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*");
+ MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW*")
/* Ancient thinkpad BIOSes have to be identified by
* BIOS type or model number, and there are far less
* BIOS types than model numbers... */
-IBM_BIOS_MODULE_ALIAS("I[B,D,H,I,M,N,O,T,W,V,Y,Z]");
-IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]");
-IBM_BIOS_MODULE_ALIAS("K[U,X-Z]");
+IBM_BIOS_MODULE_ALIAS("I[MU]"); /* 570, 570e */
-MODULE_AUTHOR("Borislav Deianov, Henrique de Moraes Holschuh");
+MODULE_AUTHOR("Borislav Deianov <borislav@users.sf.net>");
+MODULE_AUTHOR("Henrique de Moraes Holschuh <hmh@hmh.eng.br>");
MODULE_DESCRIPTION(TPACPI_DESC);
MODULE_VERSION(TPACPI_VERSION);
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff