Merge tag 'platform-drivers-x86-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - amd/pmf:
    - Add support for adjusting PMF PPT and PPT APU thresholds
    - Extend custom BIOS inputs for more policies
    - Update ta_pmf_action structure to the latest PMF TA

 - arm64:
    - thinkpad-t14s-ec: Add EC driver for ThinkPad T14s Gen6 Snapdragon

 - int3472:
    - Increase handshake GPIO delay

 - intel/pmc:
    - SSRAM support for Lunar Lake and Panther Lake
    - Support reading substate requirements data from S0ix blockers
      (for platforms starting from Panther Lake)
    - Wildcat Lake support

 - intel-uncore-freq:
    - Solve duplicate sysfs entry warnings
    - Present unique domain ID per package

 - portwell-ec:
    - Support suspend/resume
    - Add hwmon support for voltage and temperature

 - redmi-wmi:
    - Add WMI driver for Redmibook keyboard

 - think-lmi:
    - Certificate support for ThinkCenter

 - x86-android-tables + others:
    - Convert away from legacy GPIO APIs

 - x86-android-tables:
    - Add support for Acer A1-840 tablet
    - Fix modules list for Lenovo devices
    - Stop using EPROBE_DEFER

 - Miscellaneous cleanups / refactoring / improvements

* tag 'platform-drivers-x86-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (63 commits)
  platform/x86: pcengines-apuv2: Use static device properties
  platform/x86: meraki-mx100: Use static device properties
  platform/x86: barco-p50-gpio: use software nodes for gpio-leds/keys
  platform/x86: x86-android-tablets: Stop using EPROBE_DEFER
  platform/x86: x86-android-tablets: Fix modules lists for Lenovo devices
  platform/x86: x86-android-tablets: Simplify lenovo_yoga_tab2_830_1050_exit()
  platform/x86: x86-android-tablets: Add support for Acer A1-840 tablet
  platform/x86: x86-android-tablets: Move Acer info to its own file
  platform/x86: x86-android-tablets: Update my email address
  platform/x86: x86-android-tablets: Simplify node-group [un]registration
  platform/x86: x86-android-tablets: use swnode_group instead of manual registering
  platform/x86: x86-android-tablets: replace bat_swnode with swnode_group
  platform/x86: x86-android-tablets: convert gpio_keys devices to GPIO references
  platform/x86: x86-android-tablets: remove support for GPIO lookup tables
  platform/x86: x86-android-tablets: convert Yoga Tab2 fast charger to GPIO references
  platform/x86: x86-android-tablets: convert HID-I2C devices to GPIO references
  platform/x86: x86-android-tablets: convert wm1502 devices to GPIO references
  platform/x86: x86-android-tablets: convert int3496 devices to GPIO references
  platform/x86: x86-android-tablets: convert EDT devices to GPIO references
  platform/x86: x86-android-tablets: convert Novatek devices to GPIO references
  ...

1 files changed, 148 insertions, 37 deletions

diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index d040290e80ff..ac3d19ae8c56 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -11,6 +11,11 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
+enum header_type {
+	HEADER_STATUS,
+	HEADER_VALUE,
+};
+
 #include <linux/bitfield.h>
 #include <linux/debugfs.h>
 #include <linux/delay.h>
@@ -828,19 +833,86 @@ static int pmc_core_substate_l_sts_regs_show(struct seq_file *s, void *unused)
 }
 DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_l_sts_regs);
 
-static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index)
+static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index,
+					      enum header_type type)
 {
 	struct pmc_dev *pmcdev = s->private;
 	int mode;
 
-	seq_printf(s, "%30s |", "Element");
+	seq_printf(s, "%40s |", "Element");
 	pmc_for_each_mode(mode, pmcdev)
 		seq_printf(s, " %9s |", pmc_lpm_modes[mode]);
 
-	seq_printf(s, " %9s |", "Status");
-	seq_printf(s, " %11s |\n", "Live Status");
+	if (type == HEADER_STATUS) {
+		seq_printf(s, " %9s |", "Status");
+		seq_printf(s, " %11s |\n", "Live Status");
+	} else {
+		seq_printf(s, " %9s |\n", "Value");
+	}
 }
 
+static int pmc_core_substate_blk_req_show(struct seq_file *s, void *unused)
+{
+	struct pmc_dev *pmcdev = s->private;
+	unsigned int pmc_idx;
+
+	for (pmc_idx = 0; pmc_idx < ARRAY_SIZE(pmcdev->pmcs); pmc_idx++) {
+		const struct pmc_bit_map **maps;
+		unsigned int arr_size, r_idx;
+		u32 offset, counter;
+		u32 *lpm_req_regs;
+		struct pmc *pmc;
+
+		pmc = pmcdev->pmcs[pmc_idx];
+		if (!pmc || !pmc->lpm_req_regs)
+			continue;
+
+		lpm_req_regs = pmc->lpm_req_regs;
+		maps = pmc->map->s0ix_blocker_maps;
+		offset = pmc->map->s0ix_blocker_offset;
+		arr_size = pmc_core_lpm_get_arr_size(maps);
+
+		/* Display the header */
+		pmc_core_substate_req_header_show(s, pmc_idx, HEADER_VALUE);
+
+		for (r_idx = 0; r_idx < arr_size; r_idx++) {
+			const struct pmc_bit_map *map;
+
+			for (map = maps[r_idx]; map->name; map++) {
+				int mode;
+
+				if (!map->blk)
+					continue;
+
+				counter = pmc_core_reg_read(pmc, offset);
+				seq_printf(s, "pmc%u: %34s |", pmc_idx, map->name);
+				pmc_for_each_mode(mode, pmcdev) {
+					bool required = *lpm_req_regs & BIT(mode);
+
+					seq_printf(s, " %9s |", required ? "Required" : " ");
+				}
+				seq_printf(s, " %9u |\n", counter);
+				offset += map->blk * S0IX_BLK_SIZE;
+				lpm_req_regs++;
+			}
+		}
+	}
+	return 0;
+}
+
+static int pmc_core_substate_blk_req_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, pmc_core_substate_blk_req_show, inode->i_private);
+}
+
+const struct file_operations pmc_core_substate_blk_req_fops = {
+	.owner		= THIS_MODULE,
+	.open		= pmc_core_substate_blk_req_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
 {
 	struct pmc_dev *pmcdev = s->private;
@@ -872,7 +944,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
 			continue;
 
 		/* Display the header */
-		pmc_core_substate_req_header_show(s, pmc_index);
+		pmc_core_substate_req_header_show(s, pmc_index, HEADER_STATUS);
 
 		/* Loop over maps */
 		for (mp = 0; mp < num_maps; mp++) {
@@ -910,7 +982,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
 				}
 
 				/* Display the element name in the first column */
-				seq_printf(s, "pmc%d: %26s |", pmc_index, map[i].name);
+				seq_printf(s, "pmc%d: %34s |", pmc_index, map[i].name);
 
 				/* Loop over the enabled states and display if required */
 				pmc_for_each_mode(mode, pmcdev) {
@@ -931,7 +1003,19 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused)
 	}
 	return 0;
 }
-DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_req_regs);
+
+static int pmc_core_substate_req_regs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, pmc_core_substate_req_regs_show, inode->i_private);
+}
+
+const struct file_operations pmc_core_substate_req_regs_fops = {
+	.owner		= THIS_MODULE,
+	.open		= pmc_core_substate_req_regs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 static unsigned int pmc_core_get_crystal_freq(void)
 {
@@ -1160,7 +1244,7 @@ void pmc_core_get_low_power_modes(struct pmc_dev *pmcdev)
 		for (mode = 0; mode < LPM_MAX_NUM_MODES; mode++)
 			pri_order[mode_order[mode]] = mode;
 	else
-		dev_warn(&pmcdev->pdev->dev,
+		dev_dbg(&pmcdev->pdev->dev,
 			 "Assuming a default substate order for this platform\n");
 
 	/*
@@ -1264,7 +1348,7 @@ static void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
 	debugfs_remove_recursive(pmcdev->dbgfs_dir);
 }
 
-static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
+static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info)
 {
 	struct pmc *primary_pmc = pmcdev->pmcs[PMC_IDX_MAIN];
 	struct dentry *dir;
@@ -1331,7 +1415,7 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
 	if (primary_pmc->lpm_req_regs) {
 		debugfs_create_file("substate_requirements", 0444,
 				    pmcdev->dbgfs_dir, pmcdev,
-				    &pmc_core_substate_req_regs_fops);
+				    pmc_dev_info->sub_req_show);
 	}
 
 	if (primary_pmc->map->pson_residency_offset && pmc_core_is_pson_residency_enabled(pmcdev)) {
@@ -1399,36 +1483,22 @@ static u32 pmc_core_find_guid(struct pmc_info *list, const struct pmc_reg_map *m
  * +----+---------------------------------------------------------+
  *
  */
-static int pmc_core_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc, struct pci_dev *pcidev)
+int pmc_core_pmt_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc, struct telem_endpoint *ep)
 {
-	struct telem_endpoint *ep;
 	const u8 *lpm_indices;
 	int num_maps, mode_offset = 0;
 	int ret, mode;
 	int lpm_size;
-	u32 guid;
 
 	lpm_indices = pmc->map->lpm_reg_index;
 	num_maps = pmc->map->lpm_num_maps;
 	lpm_size = LPM_MAX_NUM_MODES * num_maps;
 
-	guid = pmc_core_find_guid(pmcdev->regmap_list, pmc->map);
-	if (!guid)
-		return -ENXIO;
-
-	ep = pmt_telem_find_and_register_endpoint(pcidev, guid, 0);
-	if (IS_ERR(ep)) {
-		dev_dbg(&pmcdev->pdev->dev, "couldn't get telem endpoint %pe", ep);
-		return -EPROBE_DEFER;
-	}
-
 	pmc->lpm_req_regs = devm_kzalloc(&pmcdev->pdev->dev,
 					 lpm_size * sizeof(u32),
 					 GFP_KERNEL);
-	if (!pmc->lpm_req_regs) {
-		ret = -ENOMEM;
-		goto unregister_ep;
-	}
+	if (!pmc->lpm_req_regs)
+		return -ENOMEM;
 
 	mode_offset = LPM_HEADER_OFFSET + LPM_MODE_OFFSET;
 	pmc_for_each_mode(mode, pmcdev) {
@@ -1442,34 +1512,74 @@ static int pmc_core_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc, struct
 			if (ret) {
 				dev_err(&pmcdev->pdev->dev,
 					"couldn't read Low Power Mode requirements: %d\n", ret);
-				goto unregister_ep;
+				return ret;
 			}
 			++req_offset;
 		}
 		mode_offset += LPM_REG_COUNT + LPM_MODE_OFFSET;
 	}
+	return ret;
+}
+
+int pmc_core_pmt_get_blk_sub_req(struct pmc_dev *pmcdev, struct pmc *pmc,
+				 struct telem_endpoint *ep)
+{
+	u32 num_blocker, sample_offset;
+	unsigned int index;
+	u32 *req_offset;
+	int ret;
 
-unregister_ep:
-	pmt_telem_unregister_endpoint(ep);
+	num_blocker = pmc->map->num_s0ix_blocker;
+	sample_offset = pmc->map->blocker_req_offset;
 
-	return ret;
+	pmc->lpm_req_regs = devm_kcalloc(&pmcdev->pdev->dev, num_blocker,
+					 sizeof(u32), GFP_KERNEL);
+	if (!pmc->lpm_req_regs)
+		return -ENOMEM;
+
+	req_offset = pmc->lpm_req_regs;
+	for (index = 0; index < num_blocker; index++, req_offset++) {
+		ret = pmt_telem_read32(ep, index + sample_offset, req_offset, 1);
+		if (ret) {
+			dev_err(&pmcdev->pdev->dev,
+				"couldn't read Low Power Mode requirements: %d\n", ret);
+			return ret;
+		}
+	}
+	return 0;
 }
 
-static int pmc_core_ssram_get_lpm_reqs(struct pmc_dev *pmcdev, int func)
+static int pmc_core_get_telem_info(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info)
 {
 	struct pci_dev *pcidev __free(pci_dev_put) = NULL;
+	struct telem_endpoint *ep;
 	unsigned int i;
+	u32 guid;
 	int ret;
 
-	pcidev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(20, func));
+	pcidev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(20, pmc_dev_info->pci_func));
 	if (!pcidev)
 		return -ENODEV;
 
 	for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); ++i) {
-		if (!pmcdev->pmcs[i])
+		struct pmc *pmc;
+
+		pmc = pmcdev->pmcs[i];
+		if (!pmc)
 			continue;
 
-		ret = pmc_core_get_lpm_req(pmcdev, pmcdev->pmcs[i], pcidev);
+		guid = pmc_core_find_guid(pmcdev->regmap_list, pmc->map);
+		if (!guid)
+			return -ENXIO;
+
+		ep = pmt_telem_find_and_register_endpoint(pcidev, guid, 0);
+		if (IS_ERR(ep)) {
+			dev_dbg(&pmcdev->pdev->dev, "couldn't get telem endpoint %pe", ep);
+			return -EPROBE_DEFER;
+		}
+
+		ret = pmc_dev_info->sub_req(pmcdev, pmc, ep);
+		pmt_telem_unregister_endpoint(ep);
 		if (ret)
 			return ret;
 	}
@@ -1583,7 +1693,7 @@ int generic_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_info)
 		pmc_core_punit_pmt_init(pmcdev, pmc_dev_info->dmu_guid);
 
 	if (ssram) {
-		ret = pmc_core_ssram_get_lpm_reqs(pmcdev, pmc_dev_info->pci_func);
+		ret = pmc_core_get_telem_info(pmcdev, pmc_dev_info);
 		if (ret)
 			goto unmap_regbase;
 	}
@@ -1632,6 +1742,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
 	X86_MATCH_VFM(INTEL_ARROWLAKE_U,	&arl_h_pmc_dev),
 	X86_MATCH_VFM(INTEL_LUNARLAKE_M,	&lnl_pmc_dev),
 	X86_MATCH_VFM(INTEL_PANTHERLAKE_L,	&ptl_pmc_dev),
+	X86_MATCH_VFM(INTEL_WILDCATLAKE_L,	&wcl_pmc_dev),
 	{}
 };
 
@@ -1758,7 +1869,7 @@ static int pmc_core_probe(struct platform_device *pdev)
 	pmcdev->pmc_xram_read_bit = pmc_core_check_read_lock_bit(primary_pmc);
 	pmc_core_do_dmi_quirks(primary_pmc);
 
-	pmc_core_dbgfs_register(pmcdev);
+	pmc_core_dbgfs_register(pmcdev, pmc_dev_info);
 	pm_report_max_hw_sleep(FIELD_MAX(SLP_S0_RES_COUNTER_MASK) *
 			       pmc_core_adjust_slp_s0_step(primary_pmc, 1));