1 files changed, 173 insertions, 85 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 5ecd9d3325..87a4a381bd 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -69,6 +69,7 @@
 #include <linux/sysfs.h>
 #include <linux/types.h>
 #include <linux/uaccess.h>
+#include <linux/units.h>
 #include <linux/workqueue.h>
 
 #include <acpi/battery.h>
@@ -166,6 +167,7 @@ enum tpacpi_hkey_event_t {
 	TP_HKEY_EV_VOL_MUTE		= 0x1017, /* Mixer output mute */
 	TP_HKEY_EV_PRIVACYGUARD_TOGGLE	= 0x130f, /* Toggle priv.guard on/off */
 	TP_HKEY_EV_AMT_TOGGLE		= 0x131a, /* Toggle AMT on/off */
+	TP_HKEY_EV_PROFILE_TOGGLE	= 0x131f, /* Toggle platform profile */
 
 	/* Reasons for waking up from S3/S4 */
 	TP_HKEY_EV_WKUP_S3_UNDOCK	= 0x2304, /* undock requested, S3 */
@@ -3042,10 +3044,9 @@ static void tpacpi_send_radiosw_update(void)
 
 static void hotkey_exit(void)
 {
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
 	mutex_lock(&hotkey_mutex);
+#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
 	hotkey_poll_stop_sync();
-	mutex_unlock(&hotkey_mutex);
 #endif
 	dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
 		   "restoring original HKEY status and mask\n");
@@ -3055,6 +3056,8 @@ static void hotkey_exit(void)
 	      hotkey_mask_set(hotkey_orig_mask)) |
 	     hotkey_status_set(false)) != 0)
 		pr_err("failed to restore hot key mask to BIOS defaults\n");
+
+	mutex_unlock(&hotkey_mutex);
 }
 
 static void __init hotkey_unmap(const unsigned int scancode)
@@ -3731,6 +3734,7 @@ static bool hotkey_notify_extended_hotkey(const u32 hkey)
 	switch (hkey) {
 	case TP_HKEY_EV_PRIVACYGUARD_TOGGLE:
 	case TP_HKEY_EV_AMT_TOGGLE:
+	case TP_HKEY_EV_PROFILE_TOGGLE:
 		tpacpi_driver_event(hkey);
 		return true;
 	}
@@ -6126,12 +6130,15 @@ enum thermal_access_mode {
 	TPACPI_THERMAL_ACPI_TMP07,	/* Use ACPI TMP0-7 */
 	TPACPI_THERMAL_ACPI_UPDT,	/* Use ACPI TMP0-7 with UPDT */
 	TPACPI_THERMAL_TPEC_8,		/* Use ACPI EC regs, 8 sensors */
+	TPACPI_THERMAL_TPEC_12,		/* Use ACPI EC regs, 12 sensors */
 	TPACPI_THERMAL_TPEC_16,		/* Use ACPI EC regs, 16 sensors */
 };
 
 enum { /* TPACPI_THERMAL_TPEC_* */
 	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_TMP0_NS = 0xA8,	/* ACPI EC Non-Standard regs TMP 0..7 */
+	TP_EC_THERMAL_TMP8_NS = 0xB8,	/* ACPI EC Non-standard regs TMP 8..11 */
 	TP_EC_FUNCREV      = 0xEF,      /* ACPI EC Functional revision */
 	TP_EC_THERMAL_TMP_NA = -128,	/* ACPI EC sensor not available */
 
@@ -6144,8 +6151,104 @@ struct ibm_thermal_sensors_struct {
 	s32 temp[TPACPI_MAX_THERMAL_SENSORS];
 };
 
+static const struct tpacpi_quirk thermal_quirk_table[] __initconst = {
+	/* Non-standard address for thermal registers on some ThinkPads */
+	TPACPI_Q_LNV3('R', '1', 'F', true),	/* L13 Yoga Gen 2 */
+	TPACPI_Q_LNV3('N', '2', 'U', true),	/* X13 Yoga Gen 2*/
+	TPACPI_Q_LNV3('R', '0', 'R', true),	/* L380 */
+	TPACPI_Q_LNV3('R', '1', '5', true),	/* L13 Yoga Gen 1*/
+	TPACPI_Q_LNV3('R', '1', '0', true),	/* L390 */
+	TPACPI_Q_LNV3('N', '2', 'L', true),	/* X13 Yoga Gen 1*/
+	TPACPI_Q_LNV3('R', '0', 'T', true),	/* 11e Gen5 GL*/
+	TPACPI_Q_LNV3('R', '1', 'D', true),	/* 11e Gen5 GL-R*/
+	TPACPI_Q_LNV3('R', '0', 'V', true),	/* 11e Gen5 KL-Y*/
+};
+
 static enum thermal_access_mode thermal_read_mode;
 static bool thermal_use_labels;
+static bool thermal_with_ns_address;	/* Non-standard thermal reg address */
+
+/* Function to check thermal read mode */
+static enum thermal_access_mode __init thermal_read_mode_check(void)
+{
+	u8 t, ta1, ta2, ver = 0;
+	int i;
+	int acpi_tmp7;
+
+	acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv");
+
+	if (thinkpad_id.ec_model) {
+		/*
+		 * Direct EC access mode: sensors at registers 0x78-0x7F,
+		 * 0xC0-0xC7. Registers return 0x00 for non-implemented,
+		 * thermal sensors return 0x80 when not available.
+		 *
+		 * In some special cases (when Power Supply ID is 0xC2)
+		 * above rule causes thermal control issues. Offset 0xEF
+		 * determines EC version. 0xC0-0xC7 are not thermal registers
+		 * in Ver 3.
+		 */
+		if (!acpi_ec_read(TP_EC_FUNCREV, &ver))
+			pr_warn("Thinkpad ACPI EC unable to access EC version\n");
+
+		/* Quirks to check non-standard EC */
+		thermal_with_ns_address = tpacpi_check_quirks(thermal_quirk_table,
+							ARRAY_SIZE(thermal_quirk_table));
+
+		/* Support for Thinkpads with non-standard address */
+		if (thermal_with_ns_address) {
+			pr_info("ECFW with non-standard thermal registers found\n");
+			return TPACPI_THERMAL_TPEC_12;
+		}
+
+		ta1 = ta2 = 0;
+		for (i = 0; i < 8; i++) {
+			if (acpi_ec_read(TP_EC_THERMAL_TMP0 + i, &t)) {
+				ta1 |= t;
+			} else {
+				ta1 = 0;
+				break;
+			}
+			if (ver < 3) {
+				if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) {
+					ta2 |= t;
+				} else {
+					ta1 = 0;
+					break;
+				}
+			}
+		}
+
+		if (ta1 == 0) {
+			/* This is sheer paranoia, but we handle it anyway */
+			if (acpi_tmp7) {
+				pr_err("ThinkPad ACPI EC access misbehaving, falling back to ACPI TMPx access mode\n");
+				return TPACPI_THERMAL_ACPI_TMP07;
+			}
+			pr_err("ThinkPad ACPI EC access misbehaving, disabling thermal sensors access\n");
+			return TPACPI_THERMAL_NONE;
+		}
+
+		if (ver >= 3) {
+			thermal_use_labels = true;
+			return TPACPI_THERMAL_TPEC_8;
+		}
+
+		return (ta2 != 0) ? TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8;
+	}
+
+	if (acpi_tmp7) {
+		if (tpacpi_is_ibm() && acpi_evalf(ec_handle, NULL, "UPDT", "qv")) {
+			/* 600e/x, 770e, 770x */
+			return TPACPI_THERMAL_ACPI_UPDT;
+		}
+		/* IBM/LENOVO DSDT EC.TMPx access, max 8 sensors */
+		return TPACPI_THERMAL_ACPI_TMP07;
+	}
+
+	/* temperatures not supported on 570, G4x, R30, R31, R32 */
+	return TPACPI_THERMAL_NONE;
+}
 
 /* idx is zero-based */
 static int thermal_get_sensor(int idx, s32 *value)
@@ -6174,6 +6277,20 @@ static int thermal_get_sensor(int idx, s32 *value)
 		}
 		break;
 
+	/* The Non-standard EC uses 12 Thermal areas */
+	case TPACPI_THERMAL_TPEC_12:
+		if (idx >= 12)
+			return -EINVAL;
+
+		t = idx < 8 ? TP_EC_THERMAL_TMP0_NS + idx :
+				TP_EC_THERMAL_TMP8_NS + (idx - 8);
+
+		if (!acpi_ec_read(t, &tmp))
+			return -EIO;
+
+		*value = tmp * MILLIDEGREE_PER_DEGREE;
+		return 0;
+
 	case TPACPI_THERMAL_ACPI_UPDT:
 		if (idx <= 7) {
 			snprintf(tmpi, sizeof(tmpi), "TMP%c", '0' + idx);
@@ -6208,17 +6325,17 @@ static int thermal_get_sensor(int idx, s32 *value)
 
 static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s)
 {
-	int res, i;
-	int n;
-
-	n = 8;
-	i = 0;
+	int res, i, n;
 
 	if (!s)
 		return -EINVAL;
 
 	if (thermal_read_mode == TPACPI_THERMAL_TPEC_16)
 		n = 16;
+	else if (thermal_read_mode == TPACPI_THERMAL_TPEC_12)
+		n = 12;
+	else
+		n = 8;
 
 	for (i = 0 ; i < n; i++) {
 		res = thermal_get_sensor(i, &s->temp[i]);
@@ -6317,18 +6434,36 @@ static struct attribute *thermal_temp_input_attr[] = {
 	NULL
 };
 
+#define to_dev_attr(_attr) container_of(_attr, struct device_attribute, attr)
+
 static umode_t thermal_attr_is_visible(struct kobject *kobj,
 				       struct attribute *attr, int n)
 {
-	if (thermal_read_mode == TPACPI_THERMAL_NONE)
+	struct device_attribute *dev_attr = to_dev_attr(attr);
+	struct sensor_device_attribute *sensor_attr =
+					to_sensor_dev_attr(dev_attr);
+
+	int idx = sensor_attr->index;
+
+	switch (thermal_read_mode) {
+	case TPACPI_THERMAL_NONE:
 		return 0;
 
-	if (attr == THERMAL_ATTRS(8) || attr == THERMAL_ATTRS(9) ||
-	    attr == THERMAL_ATTRS(10) || attr == THERMAL_ATTRS(11) ||
-	    attr == THERMAL_ATTRS(12) || attr == THERMAL_ATTRS(13) ||
-	    attr == THERMAL_ATTRS(14) || attr == THERMAL_ATTRS(15)) {
-		if (thermal_read_mode != TPACPI_THERMAL_TPEC_16)
+	case TPACPI_THERMAL_ACPI_TMP07:
+	case TPACPI_THERMAL_ACPI_UPDT:
+	case TPACPI_THERMAL_TPEC_8:
+		if (idx >= 8)
+			return 0;
+		break;
+
+	case TPACPI_THERMAL_TPEC_12:
+		if (idx >= 12)
 			return 0;
+		break;
+
+	default:
+		break;
+
 	}
 
 	return attr->mode;
@@ -6375,78 +6510,9 @@ static const struct attribute_group temp_label_attr_group = {
 
 static int __init thermal_init(struct ibm_init_struct *iibm)
 {
-	u8 t, ta1, ta2, ver = 0;
-	int i;
-	int acpi_tmp7;
-
 	vdbg_printk(TPACPI_DBG_INIT, "initializing thermal subdriver\n");
 
-	acpi_tmp7 = acpi_evalf(ec_handle, NULL, "TMP7", "qv");
-
-	if (thinkpad_id.ec_model) {
-		/*
-		 * Direct EC access mode: sensors at registers
-		 * 0x78-0x7F, 0xC0-0xC7.  Registers return 0x00 for
-		 * non-implemented, thermal sensors return 0x80 when
-		 * not available
-		 * The above rule is unfortunately flawed. This has been seen with
-		 * 0xC2 (power supply ID) causing thermal control problems.
-		 * The EC version can be determined by offset 0xEF and at least for
-		 * version 3 the Lenovo firmware team confirmed that registers 0xC0-0xC7
-		 * are not thermal registers.
-		 */
-		if (!acpi_ec_read(TP_EC_FUNCREV, &ver))
-			pr_warn("Thinkpad ACPI EC unable to access EC version\n");
-
-		ta1 = ta2 = 0;
-		for (i = 0; i < 8; i++) {
-			if (acpi_ec_read(TP_EC_THERMAL_TMP0 + i, &t)) {
-				ta1 |= t;
-			} else {
-				ta1 = 0;
-				break;
-			}
-			if (ver < 3) {
-				if (acpi_ec_read(TP_EC_THERMAL_TMP8 + i, &t)) {
-					ta2 |= t;
-				} else {
-					ta1 = 0;
-					break;
-				}
-			}
-		}
-		if (ta1 == 0) {
-			/* This is sheer paranoia, but we handle it anyway */
-			if (acpi_tmp7) {
-				pr_err("ThinkPad ACPI EC access misbehaving, falling back to ACPI TMPx access mode\n");
-				thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
-			} else {
-				pr_err("ThinkPad ACPI EC access misbehaving, disabling thermal sensors access\n");
-				thermal_read_mode = TPACPI_THERMAL_NONE;
-			}
-		} else {
-			if (ver >= 3) {
-				thermal_read_mode = TPACPI_THERMAL_TPEC_8;
-				thermal_use_labels = true;
-			} else {
-				thermal_read_mode =
-					(ta2 != 0) ?
-					TPACPI_THERMAL_TPEC_16 : TPACPI_THERMAL_TPEC_8;
-			}
-		}
-	} else if (acpi_tmp7) {
-		if (tpacpi_is_ibm() &&
-		    acpi_evalf(ec_handle, NULL, "UPDT", "qv")) {
-			/* 600e/x, 770e, 770x */
-			thermal_read_mode = TPACPI_THERMAL_ACPI_UPDT;
-		} else {
-			/* IBM/LENOVO DSDT EC.TMPx access, max 8 sensors */
-			thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
-		}
-	} else {
-		/* temperatures not supported on 570, G4x, R30, R31, R32 */
-		thermal_read_mode = TPACPI_THERMAL_NONE;
-	}
+	thermal_read_mode = thermal_read_mode_check();
 
 	vdbg_printk(TPACPI_DBG_INIT, "thermal is %s, mode %d\n",
 		str_supported(thermal_read_mode != TPACPI_THERMAL_NONE),
@@ -8767,6 +8833,13 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
 	TPACPI_Q_LNV3('N', '3', '7', TPACPI_FAN_2CTL),  /* T15g (2nd gen) */
 	TPACPI_Q_LNV3('R', '1', 'F', TPACPI_FAN_NS),	/* L13 Yoga Gen 2 */
 	TPACPI_Q_LNV3('N', '2', 'U', TPACPI_FAN_NS),	/* X13 Yoga Gen 2*/
+	TPACPI_Q_LNV3('R', '0', 'R', TPACPI_FAN_NS),	/* L380 */
+	TPACPI_Q_LNV3('R', '1', '5', TPACPI_FAN_NS),	/* L13 Yoga Gen 1 */
+	TPACPI_Q_LNV3('R', '1', '0', TPACPI_FAN_NS),	/* L390 */
+	TPACPI_Q_LNV3('N', '2', 'L', TPACPI_FAN_NS),	/* X13 Yoga Gen 1 */
+	TPACPI_Q_LNV3('R', '0', 'T', TPACPI_FAN_NS),	/* 11e Gen5 GL */
+	TPACPI_Q_LNV3('R', '1', 'D', TPACPI_FAN_NS),	/* 11e Gen5 GL-R */
+	TPACPI_Q_LNV3('R', '0', 'V', TPACPI_FAN_NS),	/* 11e Gen5 KL-Y */
 	TPACPI_Q_LNV3('N', '1', 'O', TPACPI_FAN_NOFAN),	/* X1 Tablet (2nd gen) */
 };
 
@@ -9285,7 +9358,6 @@ static int mute_led_init(struct ibm_init_struct *iibm)
 			continue;
 		}
 
-		mute_led_cdev[i].brightness = ledtrig_audio_get(i);
 		err = led_classdev_register(&tpacpi_pdev->dev, &mute_led_cdev[i]);
 		if (err < 0) {
 			while (i--)
@@ -11119,7 +11191,23 @@ static void tpacpi_driver_event(const unsigned int hkey_event)
 		else
 			dytc_control_amt(!dytc_amt_active);
 	}
-
+	if (hkey_event == TP_HKEY_EV_PROFILE_TOGGLE) {
+		switch (dytc_current_profile) {
+		case PLATFORM_PROFILE_LOW_POWER:
+			dytc_profile_set(NULL, PLATFORM_PROFILE_BALANCED);
+			break;
+		case PLATFORM_PROFILE_BALANCED:
+			dytc_profile_set(NULL, PLATFORM_PROFILE_PERFORMANCE);
+			break;
+		case PLATFORM_PROFILE_PERFORMANCE:
+			dytc_profile_set(NULL, PLATFORM_PROFILE_LOW_POWER);
+			break;
+		default:
+			pr_warn("Profile HKEY unexpected profile %d", dytc_current_profile);
+		}
+		/* Notify user space the profile changed */
+		platform_profile_notify();
+	}
 }
 
 static void hotkey_driver_event(const unsigned int scancode)