* 02110-1301, USA.
*/
-#define TPACPI_VERSION "0.23"
-#define TPACPI_SYSFS_VERSION 0x020400
+#define TPACPI_VERSION "0.24"
+#define TPACPI_SYSFS_VERSION 0x020700
/*
* Changelog:
#include <linux/nvram.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/sysfs.h>
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/jiffies.h>
#include <linux/workqueue.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/initval.h>
+
#include <acpi/acpi_drivers.h>
#include <linux/pci_ids.h>
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_DBG_HKEY 0x0008
#define TPACPI_DBG_FAN 0x0010
#define TPACPI_DBG_BRGHT 0x0020
+#define TPACPI_DBG_MIXER 0x0040
#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off")
#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
struct ibm_struct {
char *name;
- int (*read) (char *);
+ int (*read) (struct seq_file *);
int (*write) (char *);
void (*exit) (void);
void (*resume) (void);
char param[32];
int (*init) (struct ibm_init_struct *);
+ mode_t base_procfs_mode;
struct ibm_struct *data;
};
u32 fan_ctrl_status_undef:1;
u32 second_fan:1;
u32 beep_needs_two_args:1;
+ u32 mixer_no_level_control: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 volume_ctrl_forbidden:1;
} tp_warned;
struct thinkpad_id_data {
.ec = TPACPI_MATCH_ANY, \
.quirks = (__quirk) }
+#define TPACPI_QEC_LNV(__id1, __id2, __quirk) \
+ { .vendor = PCI_VENDOR_ID_LENOVO, \
+ .bios = TPACPI_MATCH_ANY, \
+ .ec = TPID(__id1, __id2), \
+ .quirks = (__quirk) }
+
struct tpacpi_quirk {
unsigned int vendor;
u16 bios;
****************************************************************************
****************************************************************************/
-static int dispatch_procfs_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int dispatch_proc_show(struct seq_file *m, void *v)
{
- struct ibm_struct *ibm = data;
- int len;
+ struct ibm_struct *ibm = m->private;
if (!ibm || !ibm->read)
return -EINVAL;
+ return ibm->read(m);
+}
- len = ibm->read(page);
- if (len < 0)
- return len;
-
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- len -= off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
-
- return len;
+static int dispatch_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dispatch_proc_show, PDE(inode)->data);
}
-static int dispatch_procfs_write(struct file *file,
+static ssize_t dispatch_proc_write(struct file *file,
const char __user *userbuf,
- unsigned long count, void *data)
+ size_t count, loff_t *pos)
{
- struct ibm_struct *ibm = data;
+ struct ibm_struct *ibm = PDE(file->f_path.dentry->d_inode)->data;
char *kernbuf;
int ret;
return ret;
}
+static const struct file_operations dispatch_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = dispatch_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = dispatch_proc_write,
+};
+
static char *next_cmd(char **cmds)
{
char *start = *cmds;
{
char *endp;
- while (*buf && isspace(*buf))
- buf++;
- *value = simple_strtoul(buf, &endp, 0);
- while (*endp && isspace(*endp))
- endp++;
+ *value = simple_strtoul(skip_spaces(buf), &endp, 0);
+ endp = skip_spaces(endp);
if (*endp || *value > max)
return -EINVAL;
*/
status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
- tpacpi_acpi_walk_find_bcl, NULL,
+ tpacpi_acpi_walk_find_bcl, NULL, NULL,
&bcl_ptr);
if (ACPI_SUCCESS(status) && bcl_levels > 2) {
struct tpacpi_rfk *atp_rfk;
int res;
bool sw_state = false;
+ bool hw_state;
int sw_status;
BUG_ON(id >= TPACPI_RFK_SW_MAX || tpacpi_rfkill_switches[id]);
rfkill_init_sw_state(atp_rfk->rfkill, sw_state);
}
}
- rfkill_set_hw_state(atp_rfk->rfkill, tpacpi_rfk_check_hwblock_state());
+ hw_state = tpacpi_rfk_check_hwblock_state();
+ rfkill_set_hw_state(atp_rfk->rfkill, hw_state);
res = rfkill_register(atp_rfk->rfkill);
if (res < 0) {
}
tpacpi_rfkill_switches[id] = atp_rfk;
+
+ printk(TPACPI_INFO "rfkill switch %s: radio is %sblocked\n",
+ name, (sw_state || hw_state) ? "" : "un");
return 0;
}
}
/* procfs -------------------------------------------------------------- */
-static int tpacpi_rfk_procfs_read(const enum tpacpi_rfk_id id, char *p)
+static int tpacpi_rfk_procfs_read(const enum tpacpi_rfk_id id, struct seq_file *m)
{
- int len = 0;
-
if (id >= TPACPI_RFK_SW_MAX)
- len += sprintf(p + len, "status:\t\tnot supported\n");
+ seq_printf(m, "status:\t\tnot supported\n");
else {
int status;
return status;
}
- len += sprintf(p + len, "status:\t\t%s\n",
+ seq_printf(m, "status:\t\t%s\n",
(status == TPACPI_RFK_RADIO_ON) ?
"enabled" : "disabled");
- len += sprintf(p + len, "commands:\tenable, disable\n");
+ seq_printf(m, "commands:\tenable, disable\n");
}
- return len;
+ return 0;
}
static int tpacpi_rfk_procfs_write(const enum tpacpi_rfk_id id, char *buf)
* Table of recommended minimum BIOS versions
*
* Reasons for listing:
- * 1. Stable BIOS, listed because the unknown ammount of
+ * 1. Stable BIOS, listed because the unknown amount of
* bugs and bad ACPI behaviour on older versions
*
* 2. BIOS or EC fw with known bugs that trigger on Linux
| (__bv1) << 8 | (__bv2) }
#define TPV_Q_X(__v, __bid1, __bid2, __bv1, __bv2, \
- __eid1, __eid2, __ev1, __ev2) \
+ __eid, __ev1, __ev2) \
{ .vendor = (__v), \
.bios = TPID(__bid1, __bid2), \
- .ec = TPID(__eid1, __eid2), \
+ .ec = __eid, \
.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)
+/* Outdated IBM BIOSes often lack the EC id string */
#define TPV_QI1(__id1, __id2, __bv1, __bv2, __ev1, __ev2) \
TPV_Q_X(PCI_VENDOR_ID_IBM, __id1, __id2, \
- __bv1, __bv2, __id1, __id2, __ev1, __ev2)
+ __bv1, __bv2, TPID(__id1, __id2), \
+ __ev1, __ev2), \
+ TPV_Q_X(PCI_VENDOR_ID_IBM, __id1, __id2, \
+ __bv1, __bv2, TPACPI_MATCH_UNKNOWN, \
+ __ev1, __ev2)
+/* Outdated IBM BIOSes often lack the EC id string */
#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)
+ __bv1, __bv2, TPID(__eid1, __eid2), \
+ __ev1, __ev2), \
+ TPV_Q_X(PCI_VENDOR_ID_IBM, __bid1, __bid2, \
+ __bv1, __bv2, TPACPI_MATCH_UNKNOWN, \
+ __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)
+ __bv1, __bv2, TPID(__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)
+ __bv1, __bv2, TPID(__eid1, __eid2), \
+ __ev1, __ev2)
static const struct tpacpi_quirk tpacpi_bios_version_qtable[] __initconst = {
/* Numeric models ------------------ */
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 */
+ TPV_QL1('7', 'E', 'D', '0', '1', '5'), /* R60e, R60i */
/* BIOS FW BIOS VERS EC FW EC VERS */
TPV_QI2('1', 'W', '9', '0', '1', 'V', '2', '8'), /* R50e (1) */
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 */
+ TPV_QL1('7', 'B', 'D', '7', '4', '0'), /* X60/s */
+ TPV_QL1('7', 'J', '3', '0', '1', '3'), /* X60t */
/* (0) - older versions lack DMI EC fw string and functionality */
/* (1) - older versions known to lack functionality */
return 0;
}
-static int thinkpad_acpi_driver_read(char *p)
+static int thinkpad_acpi_driver_read(struct seq_file *m)
{
- int len = 0;
-
- len += sprintf(p + len, "driver:\t\t%s\n", TPACPI_DESC);
- len += sprintf(p + len, "version:\t%s\n", TPACPI_VERSION);
-
- return len;
+ seq_printf(m, "driver:\t\t%s\n", TPACPI_DESC);
+ seq_printf(m, "version:\t%s\n", TPACPI_VERSION);
+ return 0;
}
static struct ibm_struct thinkpad_acpi_driver_data = {
* 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,
};
static struct mutex hotkey_thread_mutex;
/*
- * Acquire mutex to write poller control variables.
- * Increment hotkey_config_change when changing them.
+ * 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
*/
* 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 */
static int hotkey_autosleep_ack;
-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;
+static void tpacpi_driver_event(const unsigned int hkey_event);
+static void hotkey_driver_event(const unsigned int scancode);
+static void hotkey_poll_setup(const bool may_warn);
+
/* HKEY.MHKG() return bits */
#define TP_HOTKEY_TABLET_MASK (1 << 3)
}
/*
+ * 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_CONFIG_CRITICAL_START
- hotkey_mask = m | (hotkey_source_mask & hotkey_mask);
- HOTKEY_CONFIG_CRITICAL_END
+
+ /* 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);
+ }
+
+ if (tpacpi_lifecycle != TPACPI_LIFE_EXITING)
+ 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);
+ hotkey_poll_setup(true);
+
+ mutex_unlock(&hotkey_mutex);
+
return rc;
}
}
}
-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;
/* 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()) {
if (t == 0) {
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);
}
}
}
/* call with hotkey_mutex held */
-static void hotkey_poll_setup(bool may_warn)
+static void hotkey_poll_setup(const bool may_warn)
{
- u32 hotkeys_to_poll = hotkey_source_mask & hotkey_mask;
+ const u32 poll_driver_mask = hotkey_driver_mask & hotkey_source_mask;
+ const u32 poll_user_mask = hotkey_user_mask & hotkey_source_mask;
- if (hotkeys_to_poll != 0 && hotkey_poll_freq > 0 &&
- (tpacpi_inputdev->users > 0 || hotkey_report_mode < 2)) {
+ 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 && hotkeys_to_poll != 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",
- hotkeys_to_poll);
+ "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(bool may_warn)
+static void hotkey_poll_setup_safe(const bool may_warn)
{
mutex_lock(&hotkey_mutex);
hotkey_poll_setup(may_warn);
if (!freq)
hotkey_poll_stop_sync();
- HOTKEY_CONFIG_CRITICAL_START
hotkey_poll_freq = freq;
- HOTKEY_CONFIG_CRITICAL_END
}
#else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
-static void hotkey_poll_setup_safe(bool __unused)
+static void hotkey_poll_setup(const bool __unused)
+{
+}
+
+static void hotkey_poll_setup_safe(const bool __unused)
{
}
{
switch (tpacpi_lifecycle) {
case TPACPI_LIFE_INIT:
- /*
- * hotkey_init will call hotkey_poll_setup_safe
- * at the appropriate moment
- */
- return 0;
- case TPACPI_LIFE_EXITING:
- return -EBUSY;
case TPACPI_LIFE_RUNNING:
hotkey_poll_setup_safe(false);
return 0;
+ case TPACPI_LIFE_EXITING:
+ return -EBUSY;
}
/* Should only happen if tpacpi_lifecycle is corrupt */
static void hotkey_inputdev_close(struct input_dev *dev)
{
/* disable hotkey polling when possible */
- if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING)
+ if (tpacpi_lifecycle != TPACPI_LIFE_EXITING &&
+ !(hotkey_source_mask & hotkey_driver_mask))
hotkey_poll_setup_safe(false);
}
struct device_attribute *attr,
char *buf)
{
- int res;
-
- if (mutex_lock_killable(&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 (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(true);
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))
hotkey_source_mask = t;
HOTKEY_CONFIG_CRITICAL_END
+ rc = hotkey_mask_set((hotkey_user_mask | hotkey_driver_mask) &
+ ~hotkey_source_mask);
hotkey_poll_setup(true);
- hotkey_mask_set(hotkey_mask);
+
+ /* 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);
+ 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 count;
+ return (rc < 0) ? rc : count;
}
static struct device_attribute dev_attr_hotkey_source_mask =
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,
-};
-
/*
* Sync both the hw and sw blocking state of all switches
*/
kfree(hotkey_keycode_map);
dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
- "restoring original hot key mask\n");
- /* no short-circuit boolean operator below! */
- if (((tp_features.hotkey_mask && hotkey_mask_set(hotkey_orig_mask))
- | hotkey_status_set(false)) != 0)
+ "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");
}
}
+/*
+ * 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) */
int res, i;
int status;
int hkeyv;
+ bool radiosw_state = false;
+ bool tabletsw_state = false;
+
+ unsigned long quirks;
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"initializing hotkey subdriver\n");
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;
+ }
}
}
"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;
- }
- }
+ /* 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 */
- /* hotkey_source_mask *must* be zero for
- * the first hotkey_mask_get */
+ /* 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;
+ hotkey_orig_mask = hotkey_acpi_mask;
+ } else {
+ hotkey_orig_mask = hotkey_all_mask;
+ hotkey_acpi_mask = hotkey_all_mask;
}
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
if (dbg_wlswemul) {
tp_features.hotkey_wlsw = 1;
+ radiosw_state = !!tpacpi_wlsw_emulstate;
printk(TPACPI_INFO
"radio switch emulation enabled\n");
} else
/* Not all thinkpads have a hardware radio switch */
if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
tp_features.hotkey_wlsw = 1;
+ radiosw_state = !!status;
printk(TPACPI_INFO
"radio switch found; radios are %s\n",
enabled(status, 0));
/* For X41t, X60t, X61t Tablets... */
if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
tp_features.hotkey_tablet = 1;
+ tabletsw_state = !!(status & TP_HOTKEY_TABLET_MASK);
printk(TPACPI_INFO
"possible tablet mode switch found; "
"ThinkPad in %s mode\n",
- (status & TP_HOTKEY_TABLET_MASK)?
- "tablet" : "laptop");
+ (tabletsw_state) ? "tablet" : "laptop");
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_tablet_mode.attr);
}
TPACPI_HOTKEY_MAP_SIZE);
}
- set_bit(EV_KEY, tpacpi_inputdev->evbit);
- set_bit(EV_MSC, tpacpi_inputdev->evbit);
- set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
+ input_set_capability(tpacpi_inputdev, EV_MSC, MSC_SCAN);
tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
tpacpi_inputdev->keycode = hotkey_keycode_map;
for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
if (hotkey_keycode_map[i] != KEY_RESERVED) {
- set_bit(hotkey_keycode_map[i],
- tpacpi_inputdev->keybit);
+ input_set_capability(tpacpi_inputdev, EV_KEY,
+ hotkey_keycode_map[i]);
} else {
if (i < sizeof(hotkey_reserved_mask)*8)
hotkey_reserved_mask |= 1 << i;
}
if (tp_features.hotkey_wlsw) {
- set_bit(EV_SW, tpacpi_inputdev->evbit);
- set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit);
+ input_set_capability(tpacpi_inputdev, EV_SW, SW_RFKILL_ALL);
+ input_report_switch(tpacpi_inputdev,
+ SW_RFKILL_ALL, radiosw_state);
}
if (tp_features.hotkey_tablet) {
- set_bit(EV_SW, tpacpi_inputdev->evbit);
- set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
+ input_set_capability(tpacpi_inputdev, EV_SW, SW_TABLET_MODE);
+ input_report_switch(tpacpi_inputdev,
+ SW_TABLET_MODE, tabletsw_state);
}
/* Do not issue duplicate brightness change events to
}
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
- if (tp_features.hotkey_mask) {
- hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
- & ~hotkey_all_mask
- & ~hotkey_reserved_mask;
- } else {
- hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
- & ~hotkey_reserved_mask;
- }
+ 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_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 | TPACPI_DBG_HKEY,
"legacy ibm/hotkey event reporting over procfs %s\n",
tpacpi_inputdev->close = &hotkey_inputdev_close;
hotkey_poll_setup_safe(true);
- tpacpi_send_radiosw_update();
- tpacpi_input_send_tabletsw();
return 0;
if (scancode > 0 && scancode < 0x21) {
scancode--;
if (!(hotkey_source_mask & (1 << scancode))) {
- tpacpi_input_send_key(scancode);
+ tpacpi_input_send_key_masked(scancode);
*send_acpi_ev = false;
} else {
*ignore_acpi_ev = true;
*ignore_acpi_ev = false;
switch (hkey) {
- case 0x2304: /* suspend, undock */
- case 0x2404: /* hibernation, undock */
+ 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 0x2305: /* suspend, bay eject */
- case 0x2405: /* hibernation, bay eject */
+ 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 0x2313: /* Battery on critical low level (S3) */
- case 0x2413: /* Battery on critical low level (S4) */
+ 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: */
*ignore_acpi_ev = false;
switch (hkey) {
- case 0x500b: /* X61t: tablet pen inserted into bay */
- case 0x500c: /* X61t: tablet pen removed from bay */
+ 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 0x5009: /* X41t-X61t: swivel up (tablet mode) */
- case 0x500a: /* X41t-X61t: swivel down (normal mode) */
+ 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 0x5001: /* Lid close */
- case 0x5002: /* Lid open */
- case 0x5010: /* brightness control */
+ 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;
}
}
+static void thermal_dump_all_sensors(void);
+
static bool hotkey_notify_thermal(const u32 hkey,
bool *send_acpi_ev,
bool *ignore_acpi_ev)
{
+ bool known = true;
+
/* 0x6000-0x6FFF: thermal alarms */
*send_acpi_ev = true;
*ignore_acpi_ev = false;
switch (hkey) {
- case 0x6011:
+ 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;
+ 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 0x6012:
+ break;
+ 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 0x6021:
+ break;
+ 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 0x6022:
+ break;
+ 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 0x6030:
- printk(TPACPI_INFO
- "EC reports that Thermal Table has changed\n");
- /* recommended action: do nothing, we don't have
- * Lenovo ATM information */
- return true;
+ break;
default:
printk(TPACPI_ALERT
"THERMAL ALERT: unknown thermal alarm received\n");
- return false;
+ known = false;
}
+
+ thermal_dump_all_sensors();
+
+ return known;
}
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
break;
case 3:
/* 0x3000-0x3FFF: bay-related wakeups */
- if (hkey == 0x3003) {
+ switch (hkey) {
+ case 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 {
+ break;
+ case TP_HKEY_EV_OPTDRV_EJ:
+ /* FIXME: kick libata if SATA link offline */
+ known_ev = true;
+ break;
+ default:
known_ev = false;
}
break;
case 4:
/* 0x4000-0x4FFF: dock-related wakeups */
- if (hkey == 0x4003) {
+ if (hkey == TP_HKEY_EV_UNDOCK_ACK) {
hotkey_autosleep_ack = 1;
printk(TPACPI_INFO
"undocked\n");
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;
{
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();
}
/* procfs -------------------------------------------------------------- */
-static int hotkey_read(char *p)
+static int hotkey_read(struct seq_file *m)
{
int res, status;
- int len = 0;
if (!tp_features.hotkey) {
- len += sprintf(p + len, "status:\t\tnot supported\n");
- return len;
+ seq_printf(m, "status:\t\tnot supported\n");
+ return 0;
}
if (mutex_lock_killable(&hotkey_mutex))
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);
- len += sprintf(p + len,
- "commands:\tenable, disable, reset, <mask>\n");
+ seq_printf(m, "status:\t\t%s\n", enabled(status, 0));
+ if (hotkey_all_mask) {
+ seq_printf(m, "mask:\t\t0x%08x\n", hotkey_user_mask);
+ seq_printf(m, "commands:\tenable, disable, reset, <mask>\n");
} else {
- len += sprintf(p + len, "mask:\t\tnot supported\n");
- len += sprintf(p + len, "commands:\tenable, disable, reset\n");
+ seq_printf(m, "mask:\t\tnot supported\n");
+ seq_printf(m, "commands:\tenable, disable, reset\n");
}
- return len;
+ return 0;
}
static void hotkey_enabledisable_warn(bool enable)
if (mutex_lock_killable(&hotkey_mutex))
return -ERESTARTSYS;
- mask = hotkey_mask;
+ mask = hotkey_user_mask;
res = 0;
while ((cmd = next_cmd(&buf))) {
}
}
- if (!res)
+ if (!res) {
tpacpi_disclose_usertask("procfs hotkey",
"set mask to 0x%08x\n", mask);
-
- if (!res && mask != hotkey_mask)
- res = hotkey_mask_set(mask);
+ res = hotkey_user_mask_set(mask);
+ }
errexit:
mutex_unlock(&hotkey_mutex);
TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
TP_ACPI_BLUETOOTH_RESUMECTRL = 0x04, /* Bluetooth state at resume:
- off / last state */
+ 0 = disable, 1 = enable */
};
enum {
#define TPACPI_RFK_BLUETOOTH_SW_NAME "tpacpi_bluetooth_sw"
-static void bluetooth_suspend(pm_message_t state)
-{
- /* 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");
-}
-
static int bluetooth_get_status(void)
{
int status;
}
#endif
- /* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
if (state == TPACPI_RFK_RADIO_ON)
- status = TP_ACPI_BLUETOOTH_RADIOSSW;
+ status = TP_ACPI_BLUETOOTH_RADIOSSW
+ | TP_ACPI_BLUETOOTH_RESUMECTRL;
else
status = 0;
}
/* procfs -------------------------------------------------------------- */
-static int bluetooth_read(char *p)
+static int bluetooth_read(struct seq_file *m)
{
- return tpacpi_rfk_procfs_read(TPACPI_RFK_BLUETOOTH_SW_ID, p);
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_BLUETOOTH_SW_ID, m);
}
static int bluetooth_write(char *buf)
.read = bluetooth_read,
.write = bluetooth_write,
.exit = bluetooth_exit,
- .suspend = bluetooth_suspend,
.shutdown = bluetooth_shutdown,
};
TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
TP_ACPI_WANCARD_RESUMECTRL = 0x04, /* Wan state at resume:
- off / last state */
+ 0 = disable, 1 = enable */
};
#define TPACPI_RFK_WWAN_SW_NAME "tpacpi_wwan_sw"
-static void wan_suspend(pm_message_t state)
-{
- /* 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");
-}
-
static int wan_get_status(void)
{
int status;
}
#endif
- /* We make sure to keep TP_ACPI_WANCARD_RESUMECTRL off */
if (state == TPACPI_RFK_RADIO_ON)
- status = TP_ACPI_WANCARD_RADIOSSW;
+ status = TP_ACPI_WANCARD_RADIOSSW
+ | TP_ACPI_WANCARD_RESUMECTRL;
else
status = 0;
}
/* procfs -------------------------------------------------------------- */
-static int wan_read(char *p)
+static int wan_read(struct seq_file *m)
{
- return tpacpi_rfk_procfs_read(TPACPI_RFK_WWAN_SW_ID, p);
+ return tpacpi_rfk_procfs_read(TPACPI_RFK_WWAN_SW_ID, m);
}
static int wan_write(char *buf)
.read = wan_read,
.write = wan_write,
.exit = wan_exit,
- .suspend = wan_suspend,
.shutdown = wan_shutdown,
};
/* not reached */
}
-static int video_read(char *p)
+static int video_read(struct seq_file *m)
{
int status, autosw;
- int len = 0;
if (video_supported == TPACPI_VIDEO_NONE) {
- len += sprintf(p + len, "status:\t\tnot supported\n");
- return len;
+ seq_printf(m, "status:\t\tnot supported\n");
+ return 0;
}
+ /* Even reads can crash X.org, so... */
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
status = video_outputsw_get();
if (status < 0)
return status;
if (autosw < 0)
return autosw;
- len += sprintf(p + len, "status:\t\tsupported\n");
- len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0));
- len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1));
+ seq_printf(m, "status:\t\tsupported\n");
+ seq_printf(m, "lcd:\t\t%s\n", enabled(status, 0));
+ seq_printf(m, "crt:\t\t%s\n", enabled(status, 1));
if (video_supported == TPACPI_VIDEO_NEW)
- len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3));
- len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0));
- len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n");
- len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n");
+ seq_printf(m, "dvi:\t\t%s\n", enabled(status, 3));
+ seq_printf(m, "auto:\t\t%s\n", enabled(autosw, 0));
+ seq_printf(m, "commands:\tlcd_enable, lcd_disable\n");
+ seq_printf(m, "commands:\tcrt_enable, crt_disable\n");
if (video_supported == TPACPI_VIDEO_NEW)
- len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n");
- len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n");
- len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n");
+ seq_printf(m, "commands:\tdvi_enable, dvi_disable\n");
+ seq_printf(m, "commands:\tauto_enable, auto_disable\n");
+ seq_printf(m, "commands:\tvideo_switch, expand_toggle\n");
- return len;
+ return 0;
}
static int video_write(char *buf)
if (video_supported == TPACPI_VIDEO_NONE)
return -ENODEV;
+ /* Even reads can crash X.org, let alone writes... */
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
enable = 0;
disable = 0;
flush_workqueue(tpacpi_wq);
}
-static int light_read(char *p)
+static int light_read(struct seq_file *m)
{
- int len = 0;
int status;
if (!tp_features.light) {
- len += sprintf(p + len, "status:\t\tnot supported\n");
+ seq_printf(m, "status:\t\tnot supported\n");
} else if (!tp_features.light_status) {
- len += sprintf(p + len, "status:\t\tunknown\n");
- len += sprintf(p + len, "commands:\ton, off\n");
+ seq_printf(m, "status:\t\tunknown\n");
+ seq_printf(m, "commands:\ton, off\n");
} else {
status = light_get_status();
if (status < 0)
return status;
- len += sprintf(p + len, "status:\t\t%s\n", onoff(status, 0));
- len += sprintf(p + len, "commands:\ton, off\n");
+ seq_printf(m, "status:\t\t%s\n", onoff(status, 0));
+ seq_printf(m, "commands:\ton, off\n");
}
- return len;
+ return 0;
}
static int light_write(char *buf)
device_remove_file(&tpacpi_pdev->dev, &dev_attr_cmos_command);
}
-static int cmos_read(char *p)
+static int cmos_read(struct seq_file *m)
{
- int len = 0;
-
/* cmos not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
R30, R31, T20-22, X20-21 */
if (!cmos_handle)
- len += sprintf(p + len, "status:\t\tnot supported\n");
+ seq_printf(m, "status:\t\tnot supported\n");
else {
- len += sprintf(p + len, "status:\t\tsupported\n");
- len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-21)\n");
+ seq_printf(m, "status:\t\tsupported\n");
+ seq_printf(m, "commands:\t<cmd> (<cmd> is 0-21)\n");
}
- return len;
+ return 0;
}
static int cmos_write(char *buf)
((s) == TPACPI_LED_OFF ? "off" : \
((s) == TPACPI_LED_ON ? "on" : "blinking"))
-static int led_read(char *p)
+static int led_read(struct seq_file *m)
{
- int len = 0;
-
if (!led_supported) {
- len += sprintf(p + len, "status:\t\tnot supported\n");
- return len;
+ seq_printf(m, "status:\t\tnot supported\n");
+ return 0;
}
- len += sprintf(p + len, "status:\t\tsupported\n");
+ seq_printf(m, "status:\t\tsupported\n");
if (led_supported == TPACPI_LED_570) {
/* 570 */
status = led_get_status(i);
if (status < 0)
return -EIO;
- len += sprintf(p + len, "%d:\t\t%s\n",
+ seq_printf(m, "%d:\t\t%s\n",
i, str_led_status(status));
}
}
- len += sprintf(p + len, "commands:\t"
+ seq_printf(m, "commands:\t"
"<led> on, <led> off, <led> blink (<led> is 0-15)\n");
- return len;
+ return 0;
}
static int led_write(char *buf)
return (beep_handle)? 0 : 1;
}
-static int beep_read(char *p)
+static int beep_read(struct seq_file *m)
{
- int len = 0;
-
if (!beep_handle)
- len += sprintf(p + len, "status:\t\tnot supported\n");
+ seq_printf(m, "status:\t\tnot supported\n");
else {
- len += sprintf(p + len, "status:\t\tsupported\n");
- len += sprintf(p + len, "commands:\t<cmd> (<cmd> is 0-17)\n");
+ seq_printf(m, "status:\t\tsupported\n");
+ seq_printf(m, "commands:\t<cmd> (<cmd> is 0-17)\n");
}
- return len;
+ return 0;
}
static int beep_write(char *buf)
TP_EC_THERMAL_TMP0 = 0x78, /* ACPI EC regs TMP 0..7 */
TP_EC_THERMAL_TMP8 = 0xC0, /* ACPI EC regs TMP 8..15 */
TP_EC_THERMAL_TMP_NA = -128, /* ACPI EC sensor not available */
+
+ TPACPI_THERMAL_SENSOR_NA = -128000, /* Sensor not available */
};
+
#define TPACPI_MAX_THERMAL_SENSORS 16 /* Max thermal sensors supported */
struct ibm_thermal_sensors_struct {
s32 temp[TPACPI_MAX_THERMAL_SENSORS];
return n;
}
+static void thermal_dump_all_sensors(void)
+{
+ int n, i;
+ struct ibm_thermal_sensors_struct t;
+
+ n = thermal_get_sensors(&t);
+ if (n <= 0)
+ return;
+
+ printk(TPACPI_NOTICE
+ "temperatures (Celsius):");
+
+ for (i = 0; i < n; i++) {
+ if (t.temp[i] != TPACPI_THERMAL_SENSOR_NA)
+ printk(KERN_CONT " %d", (int)(t.temp[i] / 1000));
+ else
+ printk(KERN_CONT " N/A");
+ }
+
+ printk(KERN_CONT "\n");
+}
+
/* sysfs temp##_input -------------------------------------------------- */
static ssize_t thermal_temp_input_show(struct device *dev,
res = thermal_get_sensor(idx, &value);
if (res)
return res;
- if (value == TP_EC_THERMAL_TMP_NA * 1000)
+ if (value == TPACPI_THERMAL_SENSOR_NA)
return -ENXIO;
return snprintf(buf, PAGE_SIZE, "%d\n", value);
case TPACPI_THERMAL_ACPI_TMP07:
case TPACPI_THERMAL_ACPI_UPDT:
sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
- &thermal_temp_input16_group);
+ &thermal_temp_input8_group);
break;
case TPACPI_THERMAL_NONE:
default:
}
}
-static int thermal_read(char *p)
+static int thermal_read(struct seq_file *m)
{
- int len = 0;
int n, i;
struct ibm_thermal_sensors_struct t;
if (unlikely(n < 0))
return n;
- len += sprintf(p + len, "temperatures:\t");
+ seq_printf(m, "temperatures:\t");
if (n > 0) {
for (i = 0; i < (n - 1); i++)
- len += sprintf(p + len, "%d ", t.temp[i] / 1000);
- len += sprintf(p + len, "%d\n", t.temp[i] / 1000);
+ seq_printf(m, "%d ", t.temp[i] / 1000);
+ seq_printf(m, "%d\n", t.temp[i] / 1000);
} else
- len += sprintf(p + len, "not supported\n");
+ seq_printf(m, "not supported\n");
- return len;
+ return 0;
}
static struct ibm_struct thermal_driver_data = {
static u8 ecdump_regs[256];
-static int ecdump_read(char *p)
+static int ecdump_read(struct seq_file *m)
{
- int len = 0;
int i, j;
u8 v;
- len += sprintf(p + len, "EC "
+ seq_printf(m, "EC "
" +00 +01 +02 +03 +04 +05 +06 +07"
" +08 +09 +0a +0b +0c +0d +0e +0f\n");
for (i = 0; i < 256; i += 16) {
- len += sprintf(p + len, "EC 0x%02x:", i);
+ seq_printf(m, "EC 0x%02x:", i);
for (j = 0; j < 16; j++) {
if (!acpi_ec_read(i + j, &v))
break;
if (v != ecdump_regs[i + j])
- len += sprintf(p + len, " *%02x", v);
+ seq_printf(m, " *%02x", v);
else
- len += sprintf(p + len, " %02x", v);
+ seq_printf(m, " %02x", v);
ecdump_regs[i + j] = v;
}
- len += sprintf(p + len, "\n");
+ seq_putc(m, '\n');
if (j != 16)
break;
}
/* These are way too dangerous to advertise openly... */
#if 0
- len += sprintf(p + len, "commands:\t0x<offset> 0x<value>"
+ seq_printf(m, "commands:\t0x<offset> 0x<value>"
" (<offset> is 00-ff, <value> is 00-ff)\n");
- len += sprintf(p + len, "commands:\t0x<offset> <value> "
+ seq_printf(m, "commands:\t0x<offset> <value> "
" (<offset> is 00-ff, <value> is 0-255)\n");
#endif
- return len;
+ return 0;
}
static int ecdump_write(char *buf)
return status & TP_EC_BACKLIGHT_LVLMSK;
}
+static void tpacpi_brightness_notify_change(void)
+{
+ backlight_force_update(ibm_backlight_device,
+ BACKLIGHT_UPDATE_HOTKEY);
+}
+
static struct backlight_ops ibm_backlight_data = {
.get_brightness = brightness_get,
.update_status = brightness_update_status,
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', 'R', TPACPI_BRGHT_Q_EC), /* R50,51 T40-42 */
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', '6', TPACPI_BRGHT_Q_EC), /* R52 */
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),
+ TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC), /* X40 */
+ TPACPI_Q_IBM('1', 'V', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+ TPACPI_Q_IBM('1', 'W', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
/* Models with Intel GMA900 */
TPACPI_Q_IBM('7', '0', TPACPI_BRGHT_Q_NOEC), /* T43, R52 */
ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
backlight_update_status(ibm_backlight_device);
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
+ "brightness: registering brightness hotkeys "
+ "as change notification\n");
+ tpacpi_hotkey_driver_mask_set(hotkey_driver_mask
+ | TP_ACPI_HKEY_BRGHTUP_MASK
+ | TP_ACPI_HKEY_BRGHTDWN_MASK);;
return 0;
}
tpacpi_brightness_checkpoint_nvram();
}
-static int brightness_read(char *p)
+static int brightness_read(struct seq_file *m)
{
- int len = 0;
int level;
level = brightness_get(NULL);
if (level < 0) {
- len += sprintf(p + len, "level:\t\tunreadable\n");
+ seq_printf(m, "level:\t\tunreadable\n");
} else {
- len += sprintf(p + len, "level:\t\t%d\n", level);
- len += sprintf(p + len, "commands:\tup, down\n");
- len += sprintf(p + len, "commands:\tlevel <level>"
+ seq_printf(m, "level:\t\t%d\n", level);
+ seq_printf(m, "commands:\tup, down\n");
+ seq_printf(m, "commands:\tlevel <level>"
" (<level> is 0-%d)\n",
(tp_features.bright_16levels) ? 15 : 7);
}
- return len;
+ return 0;
}
static int brightness_write(char *buf)
* Doing it this way makes the syscall restartable in case of EINTR
*/
rc = brightness_set(level);
- return (rc == -EINTR)? ERESTARTSYS : rc;
+ if (!rc && ibm_backlight_device)
+ backlight_force_update(ibm_backlight_device,
+ BACKLIGHT_UPDATE_SYSFS);
+ return (rc == -EINTR)? -ERESTARTSYS : rc;
}
static struct ibm_struct brightness_driver_data = {
* Volume subdriver
*/
-static int volume_offset = 0x30;
+/*
+ * IBM ThinkPads have a simple volume controller with MUTE gating.
+ * Very early Lenovo ThinkPads follow the IBM ThinkPad spec.
+ *
+ * Since the *61 series (and probably also the later *60 series), Lenovo
+ * ThinkPads only implement the MUTE gate.
+ *
+ * EC register 0x30
+ * Bit 6: MUTE (1 mutes sound)
+ * Bit 3-0: Volume
+ * Other bits should be zero as far as we know.
+ *
+ * This is also stored in CMOS NVRAM, byte 0x60, bit 6 (MUTE), and
+ * bits 3-0 (volume). Other bits in NVRAM may have other functions,
+ * such as bit 7 which is used to detect repeated presses of MUTE,
+ * and we leave them unchanged.
+ */
+
+#ifdef CONFIG_THINKPAD_ACPI_ALSA_SUPPORT
+
+#define TPACPI_ALSA_DRVNAME "ThinkPad EC"
+#define TPACPI_ALSA_SHRTNAME "ThinkPad Console Audio Control"
+#define TPACPI_ALSA_MIXERNAME TPACPI_ALSA_SHRTNAME
+
+static int alsa_index = ~((1 << (SNDRV_CARDS - 3)) - 1); /* last three slots */
+static char *alsa_id = "ThinkPadEC";
+static int alsa_enable = SNDRV_DEFAULT_ENABLE1;
+
+struct tpacpi_alsa_data {
+ struct snd_card *card;
+ struct snd_ctl_elem_id *ctl_mute_id;
+ struct snd_ctl_elem_id *ctl_vol_id;
+};
+
+static struct snd_card *alsa_card;
+
+enum {
+ TP_EC_AUDIO = 0x30,
+
+ /* TP_EC_AUDIO bits */
+ TP_EC_AUDIO_MUTESW = 6,
+
+ /* TP_EC_AUDIO bitmasks */
+ TP_EC_AUDIO_LVL_MSK = 0x0F,
+ TP_EC_AUDIO_MUTESW_MSK = (1 << TP_EC_AUDIO_MUTESW),
+
+ /* Maximum volume */
+ TP_EC_VOLUME_MAX = 14,
+};
+
+enum tpacpi_volume_access_mode {
+ TPACPI_VOL_MODE_AUTO = 0, /* Not implemented yet */
+ TPACPI_VOL_MODE_EC, /* Pure EC control */
+ TPACPI_VOL_MODE_UCMS_STEP, /* UCMS step-based control: N/A */
+ TPACPI_VOL_MODE_ECNVRAM, /* EC control w/ NVRAM store */
+ TPACPI_VOL_MODE_MAX
+};
+
+enum tpacpi_volume_capabilities {
+ TPACPI_VOL_CAP_AUTO = 0, /* Use white/blacklist */
+ TPACPI_VOL_CAP_VOLMUTE, /* Output vol and mute */
+ TPACPI_VOL_CAP_MUTEONLY, /* Output mute only */
+ TPACPI_VOL_CAP_MAX
+};
-static int volume_read(char *p)
+static enum tpacpi_volume_access_mode volume_mode =
+ TPACPI_VOL_MODE_MAX;
+
+static enum tpacpi_volume_capabilities volume_capabilities;
+static int volume_control_allowed;
+
+/*
+ * Used to syncronize writers to TP_EC_AUDIO and
+ * TP_NVRAM_ADDR_MIXER, as we need to do read-modify-write
+ */
+static struct mutex volume_mutex;
+
+static void tpacpi_volume_checkpoint_nvram(void)
{
- int len = 0;
- u8 level;
+ u8 lec = 0;
+ u8 b_nvram;
+ u8 ec_mask;
+
+ if (volume_mode != TPACPI_VOL_MODE_ECNVRAM)
+ return;
+ if (!volume_control_allowed)
+ return;
+
+ vdbg_printk(TPACPI_DBG_MIXER,
+ "trying to checkpoint mixer state to NVRAM...\n");
- if (!acpi_ec_read(volume_offset, &level)) {
- len += sprintf(p + len, "level:\t\tunreadable\n");
+ if (tp_features.mixer_no_level_control)
+ ec_mask = TP_EC_AUDIO_MUTESW_MSK;
+ else
+ ec_mask = TP_EC_AUDIO_MUTESW_MSK | TP_EC_AUDIO_LVL_MSK;
+
+ if (mutex_lock_killable(&volume_mutex) < 0)
+ return;
+
+ if (unlikely(!acpi_ec_read(TP_EC_AUDIO, &lec)))
+ goto unlock;
+ lec &= ec_mask;
+ b_nvram = nvram_read_byte(TP_NVRAM_ADDR_MIXER);
+
+ if (lec != (b_nvram & ec_mask)) {
+ /* NVRAM needs update */
+ b_nvram &= ~ec_mask;
+ b_nvram |= lec;
+ nvram_write_byte(b_nvram, TP_NVRAM_ADDR_MIXER);
+ dbg_printk(TPACPI_DBG_MIXER,
+ "updated NVRAM mixer status to 0x%02x (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
} else {
- len += sprintf(p + len, "level:\t\t%d\n", level & 0xf);
- len += sprintf(p + len, "mute:\t\t%s\n", onoff(level, 6));
- len += sprintf(p + len, "commands:\tup, down, mute\n");
- len += sprintf(p + len, "commands:\tlevel <level>"
- " (<level> is 0-15)\n");
+ vdbg_printk(TPACPI_DBG_MIXER,
+ "NVRAM mixer status already is 0x%02x (0x%02x)\n",
+ (unsigned int) lec, (unsigned int) b_nvram);
}
- return len;
+unlock:
+ mutex_unlock(&volume_mutex);
}
-static int volume_write(char *buf)
+static int volume_get_status_ec(u8 *status)
{
- int cmos_cmd, inc, i;
- u8 level, mute;
- int new_level, new_mute;
- char *cmd;
+ u8 s;
- while ((cmd = next_cmd(&buf))) {
- if (!acpi_ec_read(volume_offset, &level))
- return -EIO;
- new_mute = mute = level & 0x40;
- new_level = level = level & 0xf;
+ if (!acpi_ec_read(TP_EC_AUDIO, &s))
+ return -EIO;
- if (strlencmp(cmd, "up") == 0) {
- if (mute)
- new_mute = 0;
- else
- new_level = level == 15 ? 15 : level + 1;
- } else if (strlencmp(cmd, "down") == 0) {
- if (mute)
- new_mute = 0;
- else
- new_level = level == 0 ? 0 : level - 1;
- } else if (sscanf(cmd, "level %d", &new_level) == 1 &&
- new_level >= 0 && new_level <= 15) {
- /* new_level set */
- } else if (strlencmp(cmd, "mute") == 0) {
- new_mute = 0x40;
- } else
- return -EINVAL;
+ *status = s;
- if (new_level != level) {
- /* mute doesn't change */
+ dbg_printk(TPACPI_DBG_MIXER, "status 0x%02x\n", s);
- cmos_cmd = (new_level > level) ?
- TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN;
- inc = new_level > level ? 1 : -1;
+ return 0;
+}
- if (mute && (issue_thinkpad_cmos_command(cmos_cmd) ||
- !acpi_ec_write(volume_offset, level)))
- return -EIO;
+static int volume_get_status(u8 *status)
+{
+ return volume_get_status_ec(status);
+}
- for (i = level; i != new_level; i += inc)
- if (issue_thinkpad_cmos_command(cmos_cmd) ||
- !acpi_ec_write(volume_offset, i + inc))
- return -EIO;
+static int volume_set_status_ec(const u8 status)
+{
+ if (!acpi_ec_write(TP_EC_AUDIO, status))
+ return -EIO;
- if (mute &&
- (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) ||
- !acpi_ec_write(volume_offset, new_level + mute))) {
- return -EIO;
- }
+ dbg_printk(TPACPI_DBG_MIXER, "set EC mixer to 0x%02x\n", status);
+
+ return 0;
+}
+
+static int volume_set_status(const u8 status)
+{
+ return volume_set_status_ec(status);
+}
+
+/* returns < 0 on error, 0 on no change, 1 on change */
+static int __volume_set_mute_ec(const bool mute)
+{
+ int rc;
+ u8 s, n;
+
+ if (mutex_lock_killable(&volume_mutex) < 0)
+ return -EINTR;
+
+ rc = volume_get_status_ec(&s);
+ if (rc)
+ goto unlock;
+
+ n = (mute) ? s | TP_EC_AUDIO_MUTESW_MSK :
+ s & ~TP_EC_AUDIO_MUTESW_MSK;
+
+ if (n != s) {
+ rc = volume_set_status_ec(n);
+ if (!rc)
+ rc = 1;
+ }
+
+unlock:
+ mutex_unlock(&volume_mutex);
+ return rc;
+}
+
+static int volume_alsa_set_mute(const bool mute)
+{
+ dbg_printk(TPACPI_DBG_MIXER, "ALSA: trying to %smute\n",
+ (mute) ? "" : "un");
+ return __volume_set_mute_ec(mute);
+}
+
+static int volume_set_mute(const bool mute)
+{
+ int rc;
+
+ dbg_printk(TPACPI_DBG_MIXER, "trying to %smute\n",
+ (mute) ? "" : "un");
+
+ rc = __volume_set_mute_ec(mute);
+ return (rc < 0) ? rc : 0;
+}
+
+/* returns < 0 on error, 0 on no change, 1 on change */
+static int __volume_set_volume_ec(const u8 vol)
+{
+ int rc;
+ u8 s, n;
+
+ if (vol > TP_EC_VOLUME_MAX)
+ return -EINVAL;
+
+ if (mutex_lock_killable(&volume_mutex) < 0)
+ return -EINTR;
+
+ rc = volume_get_status_ec(&s);
+ if (rc)
+ goto unlock;
+
+ n = (s & ~TP_EC_AUDIO_LVL_MSK) | vol;
+
+ if (n != s) {
+ rc = volume_set_status_ec(n);
+ if (!rc)
+ rc = 1;
+ }
+
+unlock:
+ mutex_unlock(&volume_mutex);
+ return rc;
+}
+
+static int volume_alsa_set_volume(const u8 vol)
+{
+ dbg_printk(TPACPI_DBG_MIXER,
+ "ALSA: trying to set volume level to %hu\n", vol);
+ return __volume_set_volume_ec(vol);
+}
+
+static void volume_alsa_notify_change(void)
+{
+ struct tpacpi_alsa_data *d;
+
+ if (alsa_card && alsa_card->private_data) {
+ d = alsa_card->private_data;
+ if (d->ctl_mute_id)
+ snd_ctl_notify(alsa_card,
+ SNDRV_CTL_EVENT_MASK_VALUE,
+ d->ctl_mute_id);
+ if (d->ctl_vol_id)
+ snd_ctl_notify(alsa_card,
+ SNDRV_CTL_EVENT_MASK_VALUE,
+ d->ctl_vol_id);
+ }
+}
+
+static int volume_alsa_vol_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = TP_EC_VOLUME_MAX;
+ return 0;
+}
+
+static int volume_alsa_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ u8 s;
+ int rc;
+
+ rc = volume_get_status(&s);
+ if (rc < 0)
+ return rc;
+
+ ucontrol->value.integer.value[0] = s & TP_EC_AUDIO_LVL_MSK;
+ return 0;
+}
+
+static int volume_alsa_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ return volume_alsa_set_volume(ucontrol->value.integer.value[0]);
+}
+
+#define volume_alsa_mute_info snd_ctl_boolean_mono_info
+
+static int volume_alsa_mute_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ u8 s;
+ int rc;
+
+ rc = volume_get_status(&s);
+ if (rc < 0)
+ return rc;
+
+ ucontrol->value.integer.value[0] =
+ (s & TP_EC_AUDIO_MUTESW_MSK) ? 0 : 1;
+ return 0;
+}
+
+static int volume_alsa_mute_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ return volume_alsa_set_mute(!ucontrol->value.integer.value[0]);
+}
+
+static struct snd_kcontrol_new volume_alsa_control_vol __devinitdata = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Console Playback Volume",
+ .index = 0,
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = volume_alsa_vol_info,
+ .get = volume_alsa_vol_get,
+};
+
+static struct snd_kcontrol_new volume_alsa_control_mute __devinitdata = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Console Playback Switch",
+ .index = 0,
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .info = volume_alsa_mute_info,
+ .get = volume_alsa_mute_get,
+};
+
+static void volume_suspend(pm_message_t state)
+{
+ tpacpi_volume_checkpoint_nvram();
+}
+
+static void volume_resume(void)
+{
+ volume_alsa_notify_change();
+}
+
+static void volume_shutdown(void)
+{
+ tpacpi_volume_checkpoint_nvram();
+}
+
+static void volume_exit(void)
+{
+ if (alsa_card) {
+ snd_card_free(alsa_card);
+ alsa_card = NULL;
+ }
+
+ tpacpi_volume_checkpoint_nvram();
+}
+
+static int __init volume_create_alsa_mixer(void)
+{
+ struct snd_card *card;
+ struct tpacpi_alsa_data *data;
+ struct snd_kcontrol *ctl_vol;
+ struct snd_kcontrol *ctl_mute;
+ int rc;
+
+ rc = snd_card_create(alsa_index, alsa_id, THIS_MODULE,
+ sizeof(struct tpacpi_alsa_data), &card);
+ if (rc < 0 || !card) {
+ printk(TPACPI_ERR
+ "Failed to create ALSA card structures: %d\n", rc);
+ return 1;
+ }
+
+ BUG_ON(!card->private_data);
+ data = card->private_data;
+ data->card = card;
+
+ strlcpy(card->driver, TPACPI_ALSA_DRVNAME,
+ sizeof(card->driver));
+ strlcpy(card->shortname, TPACPI_ALSA_SHRTNAME,
+ sizeof(card->shortname));
+ snprintf(card->mixername, sizeof(card->mixername), "ThinkPad EC %s",
+ (thinkpad_id.ec_version_str) ?
+ thinkpad_id.ec_version_str : "(unknown)");
+ snprintf(card->longname, sizeof(card->longname),
+ "%s at EC reg 0x%02x, fw %s", card->shortname, TP_EC_AUDIO,
+ (thinkpad_id.ec_version_str) ?
+ thinkpad_id.ec_version_str : "unknown");
+
+ if (volume_control_allowed) {
+ volume_alsa_control_vol.put = volume_alsa_vol_put;
+ volume_alsa_control_vol.access =
+ SNDRV_CTL_ELEM_ACCESS_READWRITE;
+
+ volume_alsa_control_mute.put = volume_alsa_mute_put;
+ volume_alsa_control_mute.access =
+ SNDRV_CTL_ELEM_ACCESS_READWRITE;
+ }
+
+ if (!tp_features.mixer_no_level_control) {
+ ctl_vol = snd_ctl_new1(&volume_alsa_control_vol, NULL);
+ rc = snd_ctl_add(card, ctl_vol);
+ if (rc < 0) {
+ printk(TPACPI_ERR
+ "Failed to create ALSA volume control: %d\n",
+ rc);
+ goto err_exit;
}
+ data->ctl_vol_id = &ctl_vol->id;
+ }
- if (new_mute != mute) {
- /* level doesn't change */
+ ctl_mute = snd_ctl_new1(&volume_alsa_control_mute, NULL);
+ rc = snd_ctl_add(card, ctl_mute);
+ if (rc < 0) {
+ printk(TPACPI_ERR "Failed to create ALSA mute control: %d\n",
+ rc);
+ goto err_exit;
+ }
+ data->ctl_mute_id = &ctl_mute->id;
- cmos_cmd = (new_mute) ?
- TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP;
+ snd_card_set_dev(card, &tpacpi_pdev->dev);
+ rc = snd_card_register(card);
+ if (rc < 0) {
+ printk(TPACPI_ERR "Failed to register ALSA card: %d\n", rc);
+ goto err_exit;
+ }
- if (issue_thinkpad_cmos_command(cmos_cmd) ||
- !acpi_ec_write(volume_offset, level + new_mute))
- return -EIO;
+ alsa_card = card;
+ return 0;
+
+err_exit:
+ snd_card_free(card);
+ return 1;
+}
+
+#define TPACPI_VOL_Q_MUTEONLY 0x0001 /* Mute-only control available */
+#define TPACPI_VOL_Q_LEVEL 0x0002 /* Volume control available */
+
+static const struct tpacpi_quirk volume_quirk_table[] __initconst = {
+ /* Whitelist volume level on all IBM by default */
+ { .vendor = PCI_VENDOR_ID_IBM,
+ .bios = TPACPI_MATCH_ANY,
+ .ec = TPACPI_MATCH_ANY,
+ .quirks = TPACPI_VOL_Q_LEVEL },
+
+ /* Lenovo models with volume control (needs confirmation) */
+ TPACPI_QEC_LNV('7', 'C', TPACPI_VOL_Q_LEVEL), /* R60/i */
+ TPACPI_QEC_LNV('7', 'E', TPACPI_VOL_Q_LEVEL), /* R60e/i */
+ TPACPI_QEC_LNV('7', '9', TPACPI_VOL_Q_LEVEL), /* T60/p */
+ TPACPI_QEC_LNV('7', 'B', TPACPI_VOL_Q_LEVEL), /* X60/s */
+ TPACPI_QEC_LNV('7', 'J', TPACPI_VOL_Q_LEVEL), /* X60t */
+ TPACPI_QEC_LNV('7', '7', TPACPI_VOL_Q_LEVEL), /* Z60 */
+ TPACPI_QEC_LNV('7', 'F', TPACPI_VOL_Q_LEVEL), /* Z61 */
+
+ /* Whitelist mute-only on all Lenovo by default */
+ { .vendor = PCI_VENDOR_ID_LENOVO,
+ .bios = TPACPI_MATCH_ANY,
+ .ec = TPACPI_MATCH_ANY,
+ .quirks = TPACPI_VOL_Q_MUTEONLY }
+};
+
+static int __init volume_init(struct ibm_init_struct *iibm)
+{
+ unsigned long quirks;
+ int rc;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing volume subdriver\n");
+
+ mutex_init(&volume_mutex);
+
+ /*
+ * Check for module parameter bogosity, note that we
+ * init volume_mode to TPACPI_VOL_MODE_MAX in order to be
+ * able to detect "unspecified"
+ */
+ if (volume_mode > TPACPI_VOL_MODE_MAX)
+ return -EINVAL;
+
+ if (volume_mode == TPACPI_VOL_MODE_UCMS_STEP) {
+ printk(TPACPI_ERR
+ "UCMS step volume mode not implemented, "
+ "please contact %s\n", TPACPI_MAIL);
+ return 1;
+ }
+
+ if (volume_capabilities >= TPACPI_VOL_CAP_MAX)
+ return -EINVAL;
+
+ /*
+ * The ALSA mixer is our primary interface.
+ * When disabled, don't install the subdriver at all
+ */
+ if (!alsa_enable) {
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "ALSA mixer disabled by parameter, "
+ "not loading volume subdriver...\n");
+ return 1;
+ }
+
+ quirks = tpacpi_check_quirks(volume_quirk_table,
+ ARRAY_SIZE(volume_quirk_table));
+
+ switch (volume_capabilities) {
+ case TPACPI_VOL_CAP_AUTO:
+ if (quirks & TPACPI_VOL_Q_MUTEONLY)
+ tp_features.mixer_no_level_control = 1;
+ else if (quirks & TPACPI_VOL_Q_LEVEL)
+ tp_features.mixer_no_level_control = 0;
+ else
+ return 1; /* no mixer */
+ break;
+ case TPACPI_VOL_CAP_VOLMUTE:
+ tp_features.mixer_no_level_control = 0;
+ break;
+ case TPACPI_VOL_CAP_MUTEONLY:
+ tp_features.mixer_no_level_control = 1;
+ break;
+ default:
+ return 1;
+ }
+
+ if (volume_capabilities != TPACPI_VOL_CAP_AUTO)
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "using user-supplied volume_capabilities=%d\n",
+ volume_capabilities);
+
+ if (volume_mode == TPACPI_VOL_MODE_AUTO ||
+ volume_mode == TPACPI_VOL_MODE_MAX) {
+ volume_mode = TPACPI_VOL_MODE_ECNVRAM;
+
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "driver auto-selected volume_mode=%d\n",
+ volume_mode);
+ } else {
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "using user-supplied volume_mode=%d\n",
+ volume_mode);
+ }
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "mute is supported, volume control is %s\n",
+ str_supported(!tp_features.mixer_no_level_control));
+
+ rc = volume_create_alsa_mixer();
+ if (rc) {
+ printk(TPACPI_ERR
+ "Could not create the ALSA mixer interface\n");
+ return rc;
+ }
+
+ printk(TPACPI_INFO
+ "Console audio control enabled, mode: %s\n",
+ (volume_control_allowed) ?
+ "override (read/write)" :
+ "monitor (read only)");
+
+ vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER,
+ "registering volume hotkeys as change notification\n");
+ tpacpi_hotkey_driver_mask_set(hotkey_driver_mask
+ | TP_ACPI_HKEY_VOLUP_MASK
+ | TP_ACPI_HKEY_VOLDWN_MASK
+ | TP_ACPI_HKEY_MUTE_MASK);
+
+ return 0;
+}
+
+static int volume_read(struct seq_file *m)
+{
+ u8 status;
+
+ if (volume_get_status(&status) < 0) {
+ seq_printf(m, "level:\t\tunreadable\n");
+ } else {
+ if (tp_features.mixer_no_level_control)
+ seq_printf(m, "level:\t\tunsupported\n");
+ else
+ seq_printf(m, "level:\t\t%d\n",
+ status & TP_EC_AUDIO_LVL_MSK);
+
+ seq_printf(m, "mute:\t\t%s\n",
+ onoff(status, TP_EC_AUDIO_MUTESW));
+
+ if (volume_control_allowed) {
+ seq_printf(m, "commands:\tunmute, mute\n");
+ if (!tp_features.mixer_no_level_control) {
+ seq_printf(m,
+ "commands:\tup, down\n");
+ seq_printf(m,
+ "commands:\tlevel <level>"
+ " (<level> is 0-%d)\n",
+ TP_EC_VOLUME_MAX);
+ }
}
}
return 0;
}
+static int volume_write(char *buf)
+{
+ u8 s;
+ u8 new_level, new_mute;
+ int l;
+ char *cmd;
+ int rc;
+
+ /*
+ * We do allow volume control at driver startup, so that the
+ * user can set initial state through the volume=... parameter hack.
+ */
+ if (!volume_control_allowed && tpacpi_lifecycle != TPACPI_LIFE_INIT) {
+ if (unlikely(!tp_warned.volume_ctrl_forbidden)) {
+ tp_warned.volume_ctrl_forbidden = 1;
+ printk(TPACPI_NOTICE
+ "Console audio control in monitor mode, "
+ "changes are not allowed.\n");
+ printk(TPACPI_NOTICE
+ "Use the volume_control=1 module parameter "
+ "to enable volume control\n");
+ }
+ return -EPERM;
+ }
+
+ rc = volume_get_status(&s);
+ if (rc < 0)
+ return rc;
+
+ new_level = s & TP_EC_AUDIO_LVL_MSK;
+ new_mute = s & TP_EC_AUDIO_MUTESW_MSK;
+
+ while ((cmd = next_cmd(&buf))) {
+ if (!tp_features.mixer_no_level_control) {
+ if (strlencmp(cmd, "up") == 0) {
+ if (new_mute)
+ new_mute = 0;
+ else if (new_level < TP_EC_VOLUME_MAX)
+ new_level++;
+ continue;
+ } else if (strlencmp(cmd, "down") == 0) {
+ if (new_mute)
+ new_mute = 0;
+ else if (new_level > 0)
+ new_level--;
+ continue;
+ } else if (sscanf(cmd, "level %u", &l) == 1 &&
+ l >= 0 && l <= TP_EC_VOLUME_MAX) {
+ new_level = l;
+ continue;
+ }
+ }
+ if (strlencmp(cmd, "mute") == 0)
+ new_mute = TP_EC_AUDIO_MUTESW_MSK;
+ else if (strlencmp(cmd, "unmute") == 0)
+ new_mute = 0;
+ else
+ return -EINVAL;
+ }
+
+ if (tp_features.mixer_no_level_control) {
+ tpacpi_disclose_usertask("procfs volume", "%smute\n",
+ new_mute ? "" : "un");
+ rc = volume_set_mute(!!new_mute);
+ } else {
+ tpacpi_disclose_usertask("procfs volume",
+ "%smute and set level to %d\n",
+ new_mute ? "" : "un", new_level);
+ rc = volume_set_status(new_mute | new_level);
+ }
+ volume_alsa_notify_change();
+
+ return (rc == -EINTR) ? -ERESTARTSYS : rc;
+}
+
static struct ibm_struct volume_driver_data = {
.name = "volume",
.read = volume_read,
.write = volume_write,
+ .exit = volume_exit,
+ .suspend = volume_suspend,
+ .resume = volume_resume,
+ .shutdown = volume_shutdown,
};
+#else /* !CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */
+
+#define alsa_card NULL
+
+static void inline volume_alsa_notify_change(void)
+{
+}
+
+static int __init volume_init(struct ibm_init_struct *iibm)
+{
+ printk(TPACPI_INFO
+ "volume: disabled as there is no ALSA support in this kernel\n");
+
+ return 1;
+}
+
+static struct ibm_struct volume_driver_data = {
+ .name = "volume",
+};
+
+#endif /* CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */
+
/*************************************************************************
* Fan subdriver
*/
*
* Fan speed changes of any sort (including those caused by the
* disengaged mode) are usually done slowly by the firmware as the
- * maximum ammount of fan duty cycle change per second seems to be
+ * maximum amount of fan duty cycle change per second seems to be
* limited.
*
* Reading is not available if GFAN exists.
* 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
}
}
-static int fan_read(char *p)
+static int fan_read(struct seq_file *m)
{
- int len = 0;
int rc;
u8 status;
unsigned int speed = 0;
if (rc < 0)
return rc;
- len += sprintf(p + len, "status:\t\t%s\n"
+ seq_printf(m, "status:\t\t%s\n"
"level:\t\t%d\n",
(status != 0) ? "enabled" : "disabled", status);
break;
if (rc < 0)
return rc;
- len += sprintf(p + len, "status:\t\t%s\n",
+ seq_printf(m, "status:\t\t%s\n",
(status != 0) ? "enabled" : "disabled");
rc = fan_get_speed(&speed);
if (rc < 0)
return rc;
- len += sprintf(p + len, "speed:\t\t%d\n", speed);
+ seq_printf(m, "speed:\t\t%d\n", speed);
if (status & TP_EC_FAN_FULLSPEED)
/* Disengaged mode takes precedence */
- len += sprintf(p + len, "level:\t\tdisengaged\n");
+ seq_printf(m, "level:\t\tdisengaged\n");
else if (status & TP_EC_FAN_AUTO)
- len += sprintf(p + len, "level:\t\tauto\n");
+ seq_printf(m, "level:\t\tauto\n");
else
- len += sprintf(p + len, "level:\t\t%d\n", status);
+ seq_printf(m, "level:\t\t%d\n", status);
break;
case TPACPI_FAN_NONE:
default:
- len += sprintf(p + len, "status:\t\tnot supported\n");
+ seq_printf(m, "status:\t\tnot supported\n");
}
if (fan_control_commands & TPACPI_FAN_CMD_LEVEL) {
- len += sprintf(p + len, "commands:\tlevel <level>");
+ seq_printf(m, "commands:\tlevel <level>");
switch (fan_control_access_mode) {
case TPACPI_FAN_WR_ACPI_SFAN:
- len += sprintf(p + len, " (<level> is 0-7)\n");
+ seq_printf(m, " (<level> is 0-7)\n");
break;
default:
- len += sprintf(p + len, " (<level> is 0-7, "
+ seq_printf(m, " (<level> is 0-7, "
"auto, disengaged, full-speed)\n");
break;
}
}
if (fan_control_commands & TPACPI_FAN_CMD_ENABLE)
- len += sprintf(p + len, "commands:\tenable, disable\n"
+ seq_printf(m, "commands:\tenable, disable\n"
"commands:\twatchdog <timeout> (<timeout> "
"is 0 (off), 1-120 (seconds))\n");
if (fan_control_commands & TPACPI_FAN_CMD_SPEED)
- len += sprintf(p + len, "commands:\tspeed <speed>"
+ seq_printf(m, "commands:\tspeed <speed>"
" (<speed> is 0-65535)\n");
- return len;
+ return 0;
}
static int fan_write_cmd_level(const char *cmd, int *rc)
****************************************************************************
****************************************************************************/
+/*
+ * 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)
+{
+ if (ibm_backlight_device) {
+ switch (hkey_event) {
+ case TP_HKEY_EV_BRGHT_UP:
+ case TP_HKEY_EV_BRGHT_DOWN:
+ tpacpi_brightness_notify_change();
+ }
+ }
+ if (alsa_card) {
+ switch (hkey_event) {
+ case TP_HKEY_EV_VOL_UP:
+ case TP_HKEY_EV_VOL_DOWN:
+ case TP_HKEY_EV_VOL_MUTE:
+ volume_alsa_notify_change();
+ }
+ }
+}
+
+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,
"%s installed\n", ibm->name);
if (ibm->read) {
- entry = create_proc_entry(ibm->name,
- S_IFREG | S_IRUGO | S_IWUSR,
- proc_dir);
+ mode_t mode = iibm->base_procfs_mode;
+
+ if (!mode)
+ mode = S_IRUGO;
+ if (ibm->write)
+ mode |= S_IWUSR;
+ entry = proc_create_data(ibm->name, mode, proc_dir,
+ &dispatch_proc_fops, ibm);
if (!entry) {
printk(TPACPI_ERR "unable to create proc entry %s\n",
ibm->name);
ret = -ENODEV;
goto err_out;
}
- entry->data = ibm;
- entry->read_proc = &dispatch_procfs_read;
- if (ibm->write)
- entry->write_proc = &dispatch_procfs_write;
ibm->flags.proc_created = 1;
}
#ifdef CONFIG_THINKPAD_ACPI_VIDEO
{
.init = video_init,
+ .base_procfs_mode = S_IRUSR,
.data = &video_driver_data,
},
#endif
.data = &brightness_driver_data,
},
{
+ .init = volume_init,
.data = &volume_driver_data,
},
{
return -EINVAL;
}
-module_param(experimental, int, 0);
+module_param(experimental, int, 0444);
MODULE_PARM_DESC(experimental,
"Enables experimental features when non-zero");
module_param_named(debug, dbg_level, uint, 0);
MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
-module_param(force_load, bool, 0);
+module_param(force_load, bool, 0444);
MODULE_PARM_DESC(force_load,
"Attempts to load the driver even on a "
"mis-identified ThinkPad when true");
-module_param_named(fan_control, fan_control_allowed, bool, 0);
+module_param_named(fan_control, fan_control_allowed, bool, 0444);
MODULE_PARM_DESC(fan_control,
"Enables setting fan parameters features when true");
-module_param_named(brightness_mode, brightness_mode, uint, 0);
+module_param_named(brightness_mode, brightness_mode, uint, 0444);
MODULE_PARM_DESC(brightness_mode,
"Selects brightness control strategy: "
"0=auto, 1=EC, 2=UCMS, 3=EC+NVRAM");
-module_param(brightness_enable, uint, 0);
+module_param(brightness_enable, uint, 0444);
MODULE_PARM_DESC(brightness_enable,
"Enables backlight control when 1, disables when 0");
-module_param(hotkey_report_mode, uint, 0);
+module_param(hotkey_report_mode, uint, 0444);
MODULE_PARM_DESC(hotkey_report_mode,
"used for backwards compatibility with userspace, "
"see documentation");
+#ifdef CONFIG_THINKPAD_ACPI_ALSA_SUPPORT
+module_param_named(volume_mode, volume_mode, uint, 0444);
+MODULE_PARM_DESC(volume_mode,
+ "Selects volume control strategy: "
+ "0=auto, 1=EC, 2=N/A, 3=EC+NVRAM");
+
+module_param_named(volume_capabilities, volume_capabilities, uint, 0444);
+MODULE_PARM_DESC(volume_capabilities,
+ "Selects the mixer capabilites: "
+ "0=auto, 1=volume and mute, 2=mute only");
+
+module_param_named(volume_control, volume_control_allowed, bool, 0444);
+MODULE_PARM_DESC(volume_control,
+ "Enables software override for the console audio "
+ "control when true");
+
+/* ALSA module API parameters */
+module_param_named(index, alsa_index, int, 0444);
+MODULE_PARM_DESC(index, "ALSA index for the ACPI EC Mixer");
+module_param_named(id, alsa_id, charp, 0444);
+MODULE_PARM_DESC(id, "ALSA id for the ACPI EC Mixer");
+module_param_named(enable, alsa_enable, bool, 0444);
+MODULE_PARM_DESC(enable, "Enable the ALSA interface for the ACPI EC Mixer");
+#endif /* CONFIG_THINKPAD_ACPI_ALSA_SUPPORT */
+
#define TPACPI_PARAM(feature) \
module_param_call(feature, set_ibm_param, NULL, NULL, 0); \
MODULE_PARM_DESC(feature, "Simulates thinkpad-acpi procfs command " \
TPACPI_PARAM(fan);
#ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
-module_param(dbg_wlswemul, uint, 0);
+module_param(dbg_wlswemul, uint, 0444);
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_param(dbg_bluetoothemul, uint, 0444);
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_param(dbg_wwanemul, uint, 0444);
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_param(dbg_uwbemul, uint, 0444);
MODULE_PARM_DESC(dbg_uwbemul, "Enables UWB switch emulation");
module_param_named(uwb_state, tpacpi_uwb_emulstate, bool, 0);
MODULE_PARM_DESC(uwb_state,
PCI_VENDOR_ID_IBM;
tpacpi_inputdev->id.product = TPACPI_HKEY_INPUT_PRODUCT;
tpacpi_inputdev->id.version = TPACPI_HKEY_INPUT_VERSION;
+ tpacpi_inputdev->dev.parent = &tpacpi_pdev->dev;
}
for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
ret = ibm_init(&ibms_init[i]);
return ret;
}
}
+
+ tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
+
ret = input_register_device(tpacpi_inputdev);
if (ret < 0) {
printk(TPACPI_ERR "unable to register input device\n");
tp_features.input_device_registered = 1;
}
- tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff