*/
#define TPACPI_VERSION "0.23"
-#define TPACPI_SYSFS_VERSION 0x020300
+#define TPACPI_SYSFS_VERSION 0x020400
/*
* Changelog:
#define TPACPI_MAX_ACPI_ARGS 3
-/* rfkill switches */
-enum {
- TPACPI_RFK_BLUETOOTH_SW_ID = 0,
- TPACPI_RFK_WWAN_SW_ID,
- TPACPI_RFK_UWB_SW_ID,
-};
-
/* printk headers */
#define TPACPI_LOG TPACPI_FILE ": "
#define TPACPI_EMERG KERN_EMERG TPACPI_LOG
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;
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 */
} \
} 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 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,
- const bool set_default,
- 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 = RFKILL_STATE_SOFT_BLOCKED;
-
- res = get_state(NULL, &initial_state);
- if (res < 0) {
- printk(TPACPI_ERR
- "failed to read initial state for %s, error %d; "
- "will turn radio off\n", name, res);
- } else if (set_default) {
- /* try to set the initial state as the default for the rfkill
- * type, since we ask the firmware to preserve it across S5 in
- * NVRAM */
- if (rfkill_set_default(rfktype,
- (initial_state == RFKILL_STATE_UNBLOCKED) ?
- RFKILL_STATE_UNBLOCKED :
- RFKILL_STATE_SOFT_BLOCKED) == -EPERM)
- vdbg_printk(TPACPI_DBG_RFKILL,
- "Default state for %s cannot be changed\n",
- name);
- }
-
- *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;
- (*rfk)->state = initial_state;
+ atp_rfk->id = id;
+ atp_rfk->ops = tp_rfkops;
+
+ 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 printk_deprecated_attribute(const char * const what,
- const char * const details)
+static void tpacpi_destroy_rfkill(const enum tpacpi_rfk_id id)
{
- tpacpi_log_usertask("deprecated sysfs attribute");
- printk(TPACPI_WARN "WARNING: sysfs attribute %s is deprecated and "
- "will be removed. %s\n",
- what, details);
+ 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);
+ tpacpi_rfkill_switches[id] = NULL;
+ kfree(tp_rfk);
+ }
}
static void printk_deprecated_rfkill_attribute(const char * const 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
*/
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
-static void tpacpi_send_radiosw_update(void);
-
/* wlsw_emulstate ------------------------------------------------------ */
static ssize_t tpacpi_driver_wlsw_emulstate_show(struct device_driver *drv,
char *buf)
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
- if (tpacpi_wlsw_emulstate != t) {
- tpacpi_wlsw_emulstate = !!t;
- tpacpi_send_radiosw_update();
- } else
+ if (tpacpi_wlsw_emulstate != !!t) {
tpacpi_wlsw_emulstate = !!t;
+ tpacpi_rfk_update_hwblock_state(!t); /* negative logic */
+ }
return count;
}
/* HKEY.MHKG() return bits */
#define TP_HOTKEY_TABLET_MASK (1 << 3)
-static int hotkey_get_wlsw(int *status)
+static int hotkey_get_wlsw(void)
{
+ int status;
+
+ if (!tp_features.hotkey_wlsw)
+ return -ENODEV;
+
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
- if (dbg_wlswemul) {
- *status = !!tpacpi_wlsw_emulstate;
- return 0;
- }
+ if (dbg_wlswemul)
+ return (tpacpi_wlsw_emulstate) ?
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
#endif
- if (!acpi_evalf(hkey_handle, status, "WLSW", "d"))
+
+ 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)
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 =
&dev_attr_hotkey_wakeup_hotunplug_complete.attr,
};
-static void bluetooth_update_rfk(void);
-static void wan_update_rfk(void);
-static void uwb_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();
- if (tp_features.uwb)
- uwb_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);
+
+ /* Sync sw blocking state */
+ tpacpi_rfk_update_swstate_all();
- if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
+ /* 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();
}
/* 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 "
#define TPACPI_RFK_BLUETOOTH_SW_NAME "tpacpi_bluetooth_sw"
-static struct rfkill *tpacpi_bluetooth_rfkill;
-
static void bluetooth_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
"bluetooth power down on resume request failed\n");
}
-static int bluetooth_get_radiosw(void)
+static int bluetooth_get_status(void)
{
int status;
- if (!tp_features.bluetooth)
- return -ENODEV;
-
- /* 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) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+ 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;
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
}
-static void bluetooth_update_rfk(void)
+static int bluetooth_set_status(enum tpacpi_rfkill_state state)
{
int status;
- if (!tpacpi_bluetooth_rfkill)
- return;
-
- status = bluetooth_get_radiosw();
- if (status < 0)
- return;
- rfkill_force_state(tpacpi_bluetooth_rfkill, status);
-
vdbg_printk(TPACPI_DBG_RFKILL,
- "forced rfkill state to %d\n",
- status);
-}
-
-static int bluetooth_set_radiosw(int radio_on, int update_rfk)
-{
- int status;
-
- if (!tp_features.bluetooth)
- return -ENODEV;
-
- /* 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;
-
- vdbg_printk(TPACPI_DBG_RFKILL,
- "will %s bluetooth\n", radio_on ? "enable" : "disable");
+ "will attempt to %s bluetooth\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_bluetoothemul) {
- tpacpi_bluetooth_emulstate = !!radio_on;
- if (update_rfk)
- bluetooth_update_rfk();
+ tpacpi_bluetooth_emulstate = (state == TPACPI_RFK_RADIO_ON);
return 0;
}
#endif
/* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
- if (radio_on)
+ if (state == TPACPI_RFK_RADIO_ON)
status = TP_ACPI_BLUETOOTH_RADIOSSW;
else
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;
-
- printk_deprecated_rfkill_attribute("bluetooth_enable");
-
- 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;
-
- printk_deprecated_rfkill_attribute("bluetooth_enable");
-
- if (parse_strtoul(buf, 1, &t))
- return -EINVAL;
-
- tpacpi_disclose_usertask("bluetooth_enable", "set to %ld\n", t);
-
- 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 int tpacpi_bluetooth_rfk_set(void *data, enum rfkill_state state)
-{
- dbg_printk(TPACPI_DBG_RFKILL,
- "request to change radio state to %d\n", state);
- return bluetooth_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
-}
+static const struct tpacpi_rfk_ops bluetooth_tprfk_ops = {
+ .get_status = bluetooth_get_status,
+ .set_status = bluetooth_set_status,
+};
static void bluetooth_shutdown(void)
{
static void bluetooth_exit(void)
{
- bluetooth_shutdown();
-
- 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)
if (!tp_features.bluetooth)
return 1;
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &bluetooth_attr_group);
- if (res)
- return res;
-
res = tpacpi_new_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID,
- &tpacpi_bluetooth_rfkill,
- RFKILL_TYPE_BLUETOOTH,
- TPACPI_RFK_BLUETOOTH_SW_NAME,
- true,
- tpacpi_bluetooth_rfk_set,
- tpacpi_bluetooth_rfk_get);
- if (res) {
- bluetooth_exit();
- return res;
- }
-
- return 0;
-}
-
-/* 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;
-}
-
-static int bluetooth_write(char *buf)
-{
- char *cmd;
- int state = -1;
-
- if (!tp_features.bluetooth)
- return -ENODEV;
-
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "enable") == 0) {
- state = 1;
- } else if (strlencmp(cmd, "disable") == 0) {
- state = 0;
- } else
- return -EINVAL;
- }
+ &bluetooth_tprfk_ops,
+ RFKILL_TYPE_BLUETOOTH,
+ TPACPI_RFK_BLUETOOTH_SW_NAME,
+ true);
+ if (res)
+ return res;
- if (state != -1) {
- tpacpi_disclose_usertask("procfs bluetooth",
- "attempt to %s\n",
- state ? "enable" : "disable");
- bluetooth_set_radiosw(state, 1);
+ res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+ &bluetooth_attr_group);
+ if (res) {
+ tpacpi_destroy_rfkill(TPACPI_RFK_BLUETOOTH_SW_ID);
+ return res;
}
return 0;
}
+/* procfs -------------------------------------------------------------- */
+static int bluetooth_read(char *p)
+{
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_BLUETOOTH_SW_ID, p);
+}
+
+static int bluetooth_write(char *buf)
+{
+ return tpacpi_rfk_procfs_write(TPACPI_RFK_BLUETOOTH_SW_ID, buf);
+}
+
static struct ibm_struct bluetooth_driver_data = {
.name = "bluetooth",
.read = bluetooth_read,
#define TPACPI_RFK_WWAN_SW_NAME "tpacpi_wwan_sw"
-static struct rfkill *tpacpi_wan_rfkill;
-
static void wan_suspend(pm_message_t state)
{
/* Try to make sure radio will resume powered off */
"WWAN power down on resume request failed\n");
}
-static int wan_get_radiosw(void)
+static int wan_get_status(void)
{
int status;
- if (!tp_features.wan)
- return -ENODEV;
-
- /* 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) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+ 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);
-
- vdbg_printk(TPACPI_DBG_RFKILL,
- "forced rfkill state to %d\n",
- 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;
-
- /* 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;
-
vdbg_printk(TPACPI_DBG_RFKILL,
- "will %s WWAN\n", radio_on ? "enable" : "disable");
+ "will attempt to %s wwan\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_wwanemul) {
- tpacpi_wwan_emulstate = !!radio_on;
- if (update_rfk)
- wan_update_rfk();
+ tpacpi_wwan_emulstate = (state == TPACPI_RFK_RADIO_ON);
return 0;
}
#endif
/* We make sure to keep TP_ACPI_WANCARD_RESUMECTRL off */
- if (radio_on)
+ if (state == TPACPI_RFK_RADIO_ON)
status = TP_ACPI_WANCARD_RADIOSSW;
else
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;
-
- printk_deprecated_rfkill_attribute("wwan_enable");
-
- 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;
-
- printk_deprecated_rfkill_attribute("wwan_enable");
-
- if (parse_strtoul(buf, 1, &t))
- return -EINVAL;
-
- tpacpi_disclose_usertask("wwan_enable", "set to %ld\n", t);
-
- 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 int tpacpi_wan_rfk_set(void *data, enum rfkill_state state)
-{
- dbg_printk(TPACPI_DBG_RFKILL,
- "request to change radio state to %d\n", state);
- return wan_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
-}
+static const struct tpacpi_rfk_ops wan_tprfk_ops = {
+ .get_status = wan_get_status,
+ .set_status = wan_set_status,
+};
static void wan_shutdown(void)
{
static void wan_exit(void)
{
- wan_shutdown();
-
- 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)
if (!tp_features.wan)
return 1;
- res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
- &wan_attr_group);
- if (res)
- return res;
-
res = tpacpi_new_rfkill(TPACPI_RFK_WWAN_SW_ID,
- &tpacpi_wan_rfkill,
+ &wan_tprfk_ops,
RFKILL_TYPE_WWAN,
TPACPI_RFK_WWAN_SW_NAME,
- true,
- tpacpi_wan_rfk_set,
- tpacpi_wan_rfk_get);
+ true);
+ if (res)
+ return res;
+
+ 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();
-
- tpacpi_disclose_usertask("procfs wan", "read");
-
- 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");
- }
-
- return len;
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_WWAN_SW_ID, p);
}
static int wan_write(char *buf)
{
- char *cmd;
- int state = -1;
-
- if (!tp_features.wan)
- return -ENODEV;
-
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "enable") == 0) {
- state = 1;
- } else if (strlencmp(cmd, "disable") == 0) {
- state = 0;
- } else
- return -EINVAL;
- }
-
- if (state != -1) {
- tpacpi_disclose_usertask("procfs wan",
- "attempt to %s\n",
- state ? "enable" : "disable");
- wan_set_radiosw(state, 1);
- }
-
- return 0;
+ return tpacpi_rfk_procfs_write(TPACPI_RFK_WWAN_SW_ID, buf);
}
static struct ibm_struct wan_driver_data = {
#define TPACPI_RFK_UWB_SW_NAME "tpacpi_uwb_sw"
-static struct rfkill *tpacpi_uwb_rfkill;
-
-static int uwb_get_radiosw(void)
+static int uwb_get_status(void)
{
int status;
- if (!tp_features.uwb)
- return -ENODEV;
-
- /* WLSW overrides UWB 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_uwbemul)
return (tpacpi_uwb_emulstate) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
+ 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) ?
- RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
-}
-
-static void uwb_update_rfk(void)
-{
- int status;
-
- if (!tpacpi_uwb_rfkill)
- return;
-
- status = uwb_get_radiosw();
- if (status < 0)
- return;
- rfkill_force_state(tpacpi_uwb_rfkill, status);
-
- vdbg_printk(TPACPI_DBG_RFKILL,
- "forced rfkill state to %d\n",
- status);
+ TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF;
}
-static int uwb_set_radiosw(int radio_on, int update_rfk)
+static int uwb_set_status(enum tpacpi_rfkill_state state)
{
int status;
- if (!tp_features.uwb)
- return -ENODEV;
-
- /* WLSW overrides UWB 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;
-
vdbg_printk(TPACPI_DBG_RFKILL,
- "will %s UWB\n", radio_on ? "enable" : "disable");
+ "will attempt to %s UWB\n",
+ (state == TPACPI_RFK_RADIO_ON) ? "enable" : "disable");
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_uwbemul) {
- tpacpi_uwb_emulstate = !!radio_on;
- if (update_rfk)
- uwb_update_rfk();
+ tpacpi_uwb_emulstate = (state == TPACPI_RFK_RADIO_ON);
return 0;
}
#endif
- status = (radio_on) ? TP_ACPI_UWB_RADIOSSW : 0;
+ 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;
- if (update_rfk)
- uwb_update_rfk();
-
return 0;
}
/* --------------------------------------------------------------------- */
-static int tpacpi_uwb_rfk_get(void *data, enum rfkill_state *state)
-{
- int uwbs = uwb_get_radiosw();
-
- if (uwbs < 0)
- return uwbs;
-
- *state = uwbs;
- return 0;
-}
-
-static int tpacpi_uwb_rfk_set(void *data, enum rfkill_state state)
-{
- dbg_printk(TPACPI_DBG_RFKILL,
- "request to change radio state to %d\n", state);
- return uwb_set_radiosw((state == RFKILL_STATE_UNBLOCKED), 0);
-}
+static const struct tpacpi_rfk_ops uwb_tprfk_ops = {
+ .get_status = uwb_get_status,
+ .set_status = uwb_set_status,
+};
static void uwb_exit(void)
{
- if (tpacpi_uwb_rfkill)
- rfkill_unregister(tpacpi_uwb_rfkill);
+ tpacpi_destroy_rfkill(TPACPI_RFK_UWB_SW_ID);
}
static int __init uwb_init(struct ibm_init_struct *iibm)
return 1;
res = tpacpi_new_rfkill(TPACPI_RFK_UWB_SW_ID,
- &tpacpi_uwb_rfkill,
+ &uwb_tprfk_ops,
RFKILL_TYPE_UWB,
TPACPI_RFK_UWB_SW_NAME,
- false,
- tpacpi_uwb_rfk_set,
- tpacpi_uwb_rfk_get);
-
+ false);
return res;
}
"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 0x0081U
+#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 (TPACPI_SAFE_LEDS & (1 << led)) == 0;
+ return (1U & (TPACPI_SAFE_LEDS >> led)) == 0;
#endif
}
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)
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;
}
+ useful_leds = tpacpi_check_quirks(led_useful_qtable,
+ ARRAY_SIZE(led_useful_qtable));
+
for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
- if (!tpacpi_is_led_restricted(i)) {
+ if (!tpacpi_is_led_restricted(i) &&
+ test_bit(i, &useful_leds)) {
rc = tpacpi_init_led(i);
if (rc < 0) {
led_exit();
}
#ifdef CONFIG_THINKPAD_ACPI_UNSAFE_LEDS
- if (led_supported != TPACPI_LED_NONE)
- printk(TPACPI_NOTICE
- "warning: userspace override of important "
- "firmware LEDs is enabled\n");
+ printk(TPACPI_NOTICE
+ "warning: userspace override of important "
+ "firmware LEDs is enabled\n");
#endif
- return (led_supported != TPACPI_LED_NONE)? 0 : 1;
+ 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;
* 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 {
brightness_mode);
}
+ /* Safety */
+ if (thinkpad_id.vendor != PCI_VENDOR_ID_IBM &&
+ (brightness_mode == TPACPI_BRGHT_MODE_ECNVRAM ||
+ brightness_mode == TPACPI_BRGHT_MODE_EC))
+ return -EINVAL;
+
if (tpacpi_brightness_get_raw(&b) < 0)
return 1;
* 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.
*
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 */
* 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_detect(void)
+static void fan_quirk1_setup(void)
{
- /* In some ThinkPads, neither the EC nor the ACPI
- * DSDT initialize the HFSP register, and it ends up
- * being initially 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;
- ;;
- }
+ printk(TPACPI_NOTICE
+ "fan_init: initial fan status is unknown, "
+ "assuming it is in auto mode\n");
+ tp_features.fan_ctrl_status_undef = 1;
}
}
}
}
+/* 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
*/
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)
__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)
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 | TPACPI_DBG_FAN,
"initializing fan subdriver\n");
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;
- fan_quirk1_detect();
+ 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
"ThinkPad ACPI EC access misbehaving, "
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)
/* 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;
}
}
projects / cascardo / linux.git / blobdiff