summaryrefslogtreecommitdiff
path: root/drivers/platform/x86/thinkpad_acpi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c233
1 files changed, 189 insertions, 44 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index defb6afc1409..15e61c16736e 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2321,53 +2321,55 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
}
}
-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 ((event_mask & (1 << __scancode)) && \
- oldn->__member != newn->__member) \
- tpacpi_hotkey_send_key(__scancode); \
- } while (0)
+do { \
+ if ((event_mask & (1 << __scancode)) && \
+ oldn->__member != newn->__member) \
+ tpacpi_hotkey_send_key(__scancode); \
+} while (0)
#define TPACPI_MAY_SEND_KEY(__scancode) \
- do { \
- if (event_mask & (1 << __scancode)) \
- tpacpi_hotkey_send_key(__scancode); \
- } while (0)
+do { \
+ if (event_mask & (1 << __scancode)) \
+ tpacpi_hotkey_send_key(__scancode); \
+} while (0)
- void issue_volchange(const unsigned int oldvol,
- const unsigned int newvol)
- {
- unsigned int i = oldvol;
+static void issue_volchange(const unsigned int oldvol,
+ const unsigned int newvol,
+ const u32 event_mask)
+{
+ unsigned int i = oldvol;
- while (i > newvol) {
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
- i--;
- }
- while (i < newvol) {
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
- i++;
- }
+ while (i > newvol) {
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN);
+ i--;
+ }
+ while (i < newvol) {
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
+ i++;
}
+}
- void issue_brightnesschange(const unsigned int oldbrt,
- const unsigned int newbrt)
- {
- unsigned int i = oldbrt;
+static void issue_brightnesschange(const unsigned int oldbrt,
+ const unsigned int newbrt,
+ const u32 event_mask)
+{
+ unsigned int i = oldbrt;
- while (i > newbrt) {
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
- i--;
- }
- while (i < newbrt) {
- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
- i++;
- }
+ while (i > newbrt) {
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND);
+ i--;
}
+ while (i < newbrt) {
+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME);
+ i++;
+ }
+}
+
+static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
+ struct tp_nvram_state *newn,
+ const u32 event_mask)
+{
TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle);
@@ -2402,7 +2404,8 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
oldn->volume_level != newn->volume_level) {
/* recently muted, or repeated mute keypress, or
* multiple presses ending in mute */
- issue_volchange(oldn->volume_level, newn->volume_level);
+ issue_volchange(oldn->volume_level, newn->volume_level,
+ event_mask);
TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE);
}
} else {
@@ -2412,7 +2415,8 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP);
}
if (oldn->volume_level != newn->volume_level) {
- issue_volchange(oldn->volume_level, newn->volume_level);
+ issue_volchange(oldn->volume_level, newn->volume_level,
+ event_mask);
} else if (oldn->volume_toggle != newn->volume_toggle) {
/* repeated vol up/down keypress at end of scale ? */
if (newn->volume_level == 0)
@@ -2425,7 +2429,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
/* handle brightness */
if (oldn->brightness_level != newn->brightness_level) {
issue_brightnesschange(oldn->brightness_level,
- newn->brightness_level);
+ newn->brightness_level, event_mask);
} else if (oldn->brightness_toggle != newn->brightness_toggle) {
/* repeated key presses that didn't change state */
if (newn->brightness_level == 0)
@@ -3437,6 +3441,106 @@ err_exit:
return (res < 0)? res : 1;
}
+/* Thinkpad X1 Carbon support 5 modes including Home mode, Web browser
+ * mode, Web conference mode, Function mode and Lay-flat mode.
+ * We support Home mode and Function mode currently.
+ *
+ * Will consider support rest of modes in future.
+ *
+ */
+enum ADAPTIVE_KEY_MODE {
+ HOME_MODE,
+ WEB_BROWSER_MODE,
+ WEB_CONFERENCE_MODE,
+ FUNCTION_MODE,
+ LAYFLAT_MODE
+};
+
+const int adaptive_keyboard_modes[] = {
+ HOME_MODE,
+/* WEB_BROWSER_MODE = 2,
+ WEB_CONFERENCE_MODE = 3, */
+ FUNCTION_MODE
+};
+
+#define DFR_CHANGE_ROW 0x101
+#define DFR_SHOW_QUICKVIEW_ROW 0x102
+
+/* press Fn key a while second, it will switch to Function Mode. Then
+ * release Fn key, previous mode be restored.
+ */
+static bool adaptive_keyboard_mode_is_saved;
+static int adaptive_keyboard_prev_mode;
+
+static int adaptive_keyboard_get_next_mode(int mode)
+{
+ size_t i;
+ size_t max_mode = ARRAY_SIZE(adaptive_keyboard_modes) - 1;
+
+ for (i = 0; i <= max_mode; i++) {
+ if (adaptive_keyboard_modes[i] == mode)
+ break;
+ }
+
+ if (i >= max_mode)
+ i = 0;
+ else
+ i++;
+
+ return adaptive_keyboard_modes[i];
+}
+
+static bool adaptive_keyboard_hotkey_notify_hotkey(unsigned int scancode)
+{
+ u32 current_mode = 0;
+ int new_mode = 0;
+
+ switch (scancode) {
+ case DFR_CHANGE_ROW:
+ if (adaptive_keyboard_mode_is_saved) {
+ new_mode = adaptive_keyboard_prev_mode;
+ adaptive_keyboard_mode_is_saved = false;
+ } else {
+ if (!acpi_evalf(
+ hkey_handle, &current_mode,
+ "GTRW", "dd", 0)) {
+ pr_err("Cannot read adaptive keyboard mode\n");
+ return false;
+ } else {
+ new_mode = adaptive_keyboard_get_next_mode(
+ current_mode);
+ }
+ }
+
+ if (!acpi_evalf(hkey_handle, NULL, "STRW", "vd", new_mode)) {
+ pr_err("Cannot set adaptive keyboard mode\n");
+ return false;
+ }
+
+ return true;
+
+ case DFR_SHOW_QUICKVIEW_ROW:
+ if (!acpi_evalf(hkey_handle,
+ &adaptive_keyboard_prev_mode,
+ "GTRW", "dd", 0)) {
+ pr_err("Cannot read adaptive keyboard mode\n");
+ return false;
+ } else {
+ adaptive_keyboard_mode_is_saved = true;
+
+ if (!acpi_evalf(hkey_handle,
+ NULL, "STRW", "vd", FUNCTION_MODE)) {
+ pr_err("Cannot set adaptive keyboard mode\n");
+ return false;
+ }
+ }
+ return true;
+
+ default:
+ return false;
+ }
+}
+
static bool hotkey_notify_hotkey(const u32 hkey,
bool *send_acpi_ev,
bool *ignore_acpi_ev)
@@ -3456,6 +3560,8 @@ static bool hotkey_notify_hotkey(const u32 hkey,
*ignore_acpi_ev = true;
}
return true;
+ } else {
+ return adaptive_keyboard_hotkey_notify_hotkey(scancode);
}
return false;
}
@@ -3728,13 +3834,28 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
static void hotkey_suspend(void)
{
+ int hkeyv;
+
/* Do these on suspend, we get the events on early resume! */
hotkey_wakeup_reason = TP_ACPI_WAKEUP_NONE;
hotkey_autosleep_ack = 0;
+
+ /* save previous mode of adaptive keyboard of X1 Carbon */
+ if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+ if ((hkeyv >> 8) == 2) {
+ if (!acpi_evalf(hkey_handle,
+ &adaptive_keyboard_prev_mode,
+ "GTRW", "dd", 0)) {
+ pr_err("Cannot read adaptive keyboard mode.\n");
+ }
+ }
+ }
}
static void hotkey_resume(void)
{
+ int hkeyv;
+
tpacpi_disable_brightness_delay();
if (hotkey_status_set(true) < 0 ||
@@ -3747,6 +3868,18 @@ static void hotkey_resume(void)
hotkey_wakeup_reason_notify_change();
hotkey_wakeup_hotunplug_complete_notify_change();
hotkey_poll_setup_safe(false);
+
+ /* restore previous mode of adapive keyboard of X1 Carbon */
+ if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+ if ((hkeyv >> 8) == 2) {
+ if (!acpi_evalf(hkey_handle,
+ NULL,
+ "STRW", "vd",
+ adaptive_keyboard_prev_mode)) {
+ pr_err("Cannot set adaptive keyboard mode.\n");
+ }
+ }
+ }
}
/* procfs -------------------------------------------------------------- */
@@ -6776,8 +6909,9 @@ static int __init volume_create_alsa_mixer(void)
struct snd_kcontrol *ctl_mute;
int rc;
- rc = snd_card_create(alsa_index, alsa_id, THIS_MODULE,
- sizeof(struct tpacpi_alsa_data), &card);
+ rc = snd_card_new(&tpacpi_pdev->dev,
+ alsa_index, alsa_id, THIS_MODULE,
+ sizeof(struct tpacpi_alsa_data), &card);
if (rc < 0 || !card) {
pr_err("Failed to create ALSA card structures: %d\n", rc);
return 1;
@@ -6828,7 +6962,6 @@ static int __init volume_create_alsa_mixer(void)
}
data->ctl_mute_id = &ctl_mute->id;
- snd_card_set_dev(card, &tpacpi_pdev->dev);
rc = snd_card_register(card);
if (rc < 0) {
pr_err("Failed to register ALSA card: %d\n", rc);
@@ -8447,9 +8580,21 @@ static void mute_led_exit(void)
tpacpi_led_set(i, false);
}
+static void mute_led_resume(void)
+{
+ int i;
+
+ for (i = 0; i < TPACPI_LED_MAX; i++) {
+ struct tp_led_table *t = &led_tables[i];
+ if (t->state >= 0)
+ mute_led_on_off(t, t->state);
+ }
+}
+
static struct ibm_struct mute_led_driver_data = {
.name = "mute_led",
.exit = mute_led_exit,
+ .resume = mute_led_resume,
};
/****************************************************************************