Merge tag 'platform-drivers-x86-v6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Ilpo Järvinen:

 - alienware-wmi:
    - Add support for Alienware m16 R1 AMD
    - Do not setup legacy LED control with X and G Series

 - intel/ifs: Clearwater Forest support

 - intel/vsec: Panther Lake support

 - p2sb: Do not hide the device if BIOS left it unhidden

 - touchscreen_dmi: Add SARY Tab 3 tablet information

* tag 'platform-drivers-x86-v6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86/intel/vsec: Add support for Panther Lake
  platform/x86/intel/ifs: Add Clearwater Forest to CPU support list
  platform/x86: touchscreen_dmi: Add info for SARY Tab 3 tablet
  p2sb: Do not scan and remove the P2SB device when it is unhidden
  p2sb: Move P2SB hide and unhide code to p2sb_scan_and_cache()
  p2sb: Introduce the global flag p2sb_hidden_by_bios
  p2sb: Factor out p2sb_read_from_cache()
  alienware-wmi: Adds support to Alienware m16 R1 AMD
  alienware-wmi: Fix X Series and G Series quirks

Author: torvalds

drivers/platform/x86/dell/alienware-wmi.c

@@ -190,7 +190,7 @@ static struct quirk_entry quirk_asm201 = {
 };
 
 static struct quirk_entry quirk_g_series = {
-	.num_zones = 2,
+	.num_zones = 0,
 	.hdmi_mux = 0,
 	.amplifier = 0,
 	.deepslp = 0,
@@ -199,7 +199,7 @@ static struct quirk_entry quirk_g_series = {
 };
 
 static struct quirk_entry quirk_x_series = {
-	.num_zones = 2,
+	.num_zones = 0,
 	.hdmi_mux = 0,
 	.amplifier = 0,
 	.deepslp = 0,
@@ -241,6 +241,15 @@ static const struct dmi_system_id alienware_quirks[] __initconst = {
 		},
 		.driver_data = &quirk_asm201,
 	},
+	{
+		.callback = dmi_matched,
+		.ident = "Alienware m16 R1 AMD",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m16 R1 AMD"),
+		},
+		.driver_data = &quirk_x_series,
+	},
 	{
 		.callback = dmi_matched,
 		.ident = "Alienware m17 R5",
@@ -687,6 +696,9 @@ static void alienware_zone_exit(struct platform_device *dev)
 {
 	u8 zone;
 
+	if (!quirks->num_zones)
+		return;
+
 	sysfs_remove_group(&dev->dev.kobj, &zone_attribute_group);
 	led_classdev_unregister(&global_led);
 	if (zone_dev_attrs) {
@@ -1229,9 +1241,11 @@ static int __init alienware_wmi_init(void)
 			goto fail_prep_thermal_profile;
 	}
 
-	ret = alienware_zone_init(platform_device);
-	if (ret)
-		goto fail_prep_zones;
+	if (quirks->num_zones > 0) {
+		ret = alienware_zone_init(platform_device);
+		if (ret)
+			goto fail_prep_zones;
+	}
 
 	return 0;
 

drivers/platform/x86/intel/ifs/core.c

@@ -20,6 +20,7 @@ static const struct x86_cpu_id ifs_cpu_ids[] __initconst = {
 	X86_MATCH(INTEL_GRANITERAPIDS_X, ARRAY_GEN0),
 	X86_MATCH(INTEL_GRANITERAPIDS_D, ARRAY_GEN0),
 	X86_MATCH(INTEL_ATOM_CRESTMONT_X, ARRAY_GEN1),
+	X86_MATCH(INTEL_ATOM_DARKMONT_X, ARRAY_GEN1),
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, ifs_cpu_ids);

drivers/platform/x86/intel/vsec.c

@@ -423,6 +423,7 @@ static const struct intel_vsec_platform_info lnl_info = {
 #define PCI_DEVICE_ID_INTEL_VSEC_RPL		0xa77d
 #define PCI_DEVICE_ID_INTEL_VSEC_TGL		0x9a0d
 #define PCI_DEVICE_ID_INTEL_VSEC_LNL_M		0x647d
+#define PCI_DEVICE_ID_INTEL_VSEC_PTL		0xb07d
 static const struct pci_device_id intel_vsec_pci_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, VSEC_ADL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_DG1, &dg1_info) },
@@ -432,6 +433,7 @@ static const struct pci_device_id intel_vsec_pci_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, VSEC_RPL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_TGL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_LNL_M, &lnl_info) },
+	{ PCI_DEVICE_DATA(INTEL, VSEC_PTL, &mtl_info) },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, intel_vsec_pci_ids);

drivers/platform/x86/p2sb.c

@@ -43,6 +43,7 @@ struct p2sb_res_cache {
 };
 
 static struct p2sb_res_cache p2sb_resources[NR_P2SB_RES_CACHE];
+static bool p2sb_hidden_by_bios;
 
 static void p2sb_get_devfn(unsigned int *devfn)
 {
@@ -97,13 +98,21 @@ static void p2sb_scan_and_cache_devfn(struct pci_bus *bus, unsigned int devfn)
 
 static int p2sb_scan_and_cache(struct pci_bus *bus, unsigned int devfn)
 {
+	/*
+	 * The BIOS prevents the P2SB device from being enumerated by the PCI
+	 * subsystem, so we need to unhide and hide it back to lookup the BAR.
+	 */
+	pci_bus_write_config_dword(bus, devfn, P2SBC, 0);
+
 	/* Scan the P2SB device and cache its BAR0 */
 	p2sb_scan_and_cache_devfn(bus, devfn);
 
 	/* On Goldmont p2sb_bar() also gets called for the SPI controller */
 	if (devfn == P2SB_DEVFN_GOLDMONT)
 		p2sb_scan_and_cache_devfn(bus, SPI_DEVFN_GOLDMONT);
 
+	pci_bus_write_config_dword(bus, devfn, P2SBC, P2SBC_HIDE);
+
 	if (!p2sb_valid_resource(&p2sb_resources[PCI_FUNC(devfn)].res))
 		return -ENOENT;
 
@@ -129,7 +138,7 @@ static int p2sb_cache_resources(void)
 	u32 value = P2SBC_HIDE;
 	struct pci_bus *bus;
 	u16 class;
-	int ret;
+	int ret = 0;
 
 	/* Get devfn for P2SB device itself */
 	p2sb_get_devfn(&devfn_p2sb);
@@ -152,22 +161,53 @@ static int p2sb_cache_resources(void)
 	 */
 	pci_lock_rescan_remove();
 
+	pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
+	p2sb_hidden_by_bios = value & P2SBC_HIDE;
+
 	/*
-	 * The BIOS prevents the P2SB device from being enumerated by the PCI
-	 * subsystem, so we need to unhide and hide it back to lookup the BAR.
-	 * Unhide the P2SB device here, if needed.
+	 * If the BIOS does not hide the P2SB device then its resources
+	 * are accesilble. Cache them only if the P2SB device is hidden.
 	 */
-	pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
-	if (value & P2SBC_HIDE)
-		pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, 0);
+	if (p2sb_hidden_by_bios)
+		ret = p2sb_scan_and_cache(bus, devfn_p2sb);
 
-	ret = p2sb_scan_and_cache(bus, devfn_p2sb);
+	pci_unlock_rescan_remove();
 
-	/* Hide the P2SB device, if it was hidden */
-	if (value & P2SBC_HIDE)
-		pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, P2SBC_HIDE);
+	return ret;
+}
 
-	pci_unlock_rescan_remove();
+static int p2sb_read_from_cache(struct pci_bus *bus, unsigned int devfn,
+				struct resource *mem)
+{
+	struct p2sb_res_cache *cache = &p2sb_resources[PCI_FUNC(devfn)];
+
+	if (cache->bus_dev_id != bus->dev.id)
+		return -ENODEV;
+
+	if (!p2sb_valid_resource(&cache->res))
+		return -ENOENT;
+
+	memcpy(mem, &cache->res, sizeof(*mem));
+
+	return 0;
+}
+
+static int p2sb_read_from_dev(struct pci_bus *bus, unsigned int devfn,
+			      struct resource *mem)
+{
+	struct pci_dev *pdev;
+	int ret = 0;
+
+	pdev = pci_get_slot(bus, devfn);
+	if (!pdev)
+		return -ENODEV;
+
+	if (p2sb_valid_resource(pci_resource_n(pdev, 0)))
+		p2sb_read_bar0(pdev, mem);
+	else
+		ret = -ENOENT;
+
+	pci_dev_put(pdev);
 
 	return ret;
 }
@@ -188,24 +228,17 @@ static int p2sb_cache_resources(void)
  */
 int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
 {
-	struct p2sb_res_cache *cache;
-
 	bus = p2sb_get_bus(bus);
 	if (!bus)
 		return -ENODEV;
 
 	if (!devfn)
 		p2sb_get_devfn(&devfn);
 
-	cache = &p2sb_resources[PCI_FUNC(devfn)];
-	if (cache->bus_dev_id != bus->dev.id)
-		return -ENODEV;
+	if (p2sb_hidden_by_bios)
+		return p2sb_read_from_cache(bus, devfn, mem);
 
-	if (!p2sb_valid_resource(&cache->res))
-		return -ENOENT;
-
-	memcpy(mem, &cache->res, sizeof(*mem));
-	return 0;
+	return p2sb_read_from_dev(bus, devfn, mem);
 }
 EXPORT_SYMBOL_GPL(p2sb_bar);
 

drivers/platform/x86/touchscreen_dmi.c

@@ -855,6 +855,23 @@ static const struct ts_dmi_data rwc_nanote_next_data = {
 	.properties = rwc_nanote_next_props,
 };
 
+static const struct property_entry sary_tab_3_props[] = {
+	PROPERTY_ENTRY_U32("touchscreen-size-x", 1730),
+	PROPERTY_ENTRY_U32("touchscreen-size-y", 1151),
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
+	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-sary-tab-3.fw"),
+	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+	PROPERTY_ENTRY_BOOL("silead,home-button"),
+	{ }
+};
+
+static const struct ts_dmi_data sary_tab_3_data = {
+	.acpi_name	= "MSSL1680:00",
+	.properties	= sary_tab_3_props,
+};
+
 static const struct property_entry schneider_sct101ctm_props[] = {
 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1715),
 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
@@ -1615,6 +1632,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_BIOS_VERSION, "S8A70R100-V005"),
 		},
 	},
+	{
+		/* SARY Tab 3 */
+		.driver_data = (void *)&sary_tab_3_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SARY"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C210C"),
+			DMI_MATCH(DMI_PRODUCT_SKU, "TAB3"),
+		},
+	},
 	{
 		/* Schneider SCT101CTM */
 		.driver_data = (void *)&schneider_sct101ctm_data,