1 files changed, 0 insertions, 261 deletions
diff --git a/drivers/mfd/intel_pmt.c b/drivers/mfd/intel_pmt.c
deleted file mode 100644
index dd7eb614c28e..000000000000
--- a/drivers/mfd/intel_pmt.c
+++ /dev/null
@@ -1,261 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Intel Platform Monitoring Technology PMT driver
- *
- * Copyright (c) 2020, Intel Corporation.
- * All Rights Reserved.
- *
- * Author: David E. Box <david.e.box@linux.intel.com>
- */
-
-#include <linux/bits.h>
-#include <linux/kernel.h>
-#include <linux/mfd/core.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-#include <linux/pm.h>
-#include <linux/pm_runtime.h>
-#include <linux/types.h>
-
-/* Intel DVSEC capability vendor space offsets */
-#define INTEL_DVSEC_ENTRIES		0xA
-#define INTEL_DVSEC_SIZE		0xB
-#define INTEL_DVSEC_TABLE		0xC
-#define INTEL_DVSEC_TABLE_BAR(x)	((x) & GENMASK(2, 0))
-#define INTEL_DVSEC_TABLE_OFFSET(x)	((x) & GENMASK(31, 3))
-#define INTEL_DVSEC_ENTRY_SIZE		4
-
-/* PMT capabilities */
-#define DVSEC_INTEL_ID_TELEMETRY	2
-#define DVSEC_INTEL_ID_WATCHER		3
-#define DVSEC_INTEL_ID_CRASHLOG		4
-
-struct intel_dvsec_header {
-	u16	length;
-	u16	id;
-	u8	num_entries;
-	u8	entry_size;
-	u8	tbir;
-	u32	offset;
-};
-
-enum pmt_quirks {
-	/* Watcher capability not supported */
-	PMT_QUIRK_NO_WATCHER	= BIT(0),
-
-	/* Crashlog capability not supported */
-	PMT_QUIRK_NO_CRASHLOG	= BIT(1),
-
-	/* Use shift instead of mask to read discovery table offset */
-	PMT_QUIRK_TABLE_SHIFT	= BIT(2),
-
-	/* DVSEC not present (provided in driver data) */
-	PMT_QUIRK_NO_DVSEC	= BIT(3),
-};
-
-struct pmt_platform_info {
-	unsigned long quirks;
-	struct intel_dvsec_header **capabilities;
-};
-
-static const struct pmt_platform_info tgl_info = {
-	.quirks = PMT_QUIRK_NO_WATCHER | PMT_QUIRK_NO_CRASHLOG |
-		  PMT_QUIRK_TABLE_SHIFT,
-};
-
-/* DG1 Platform with DVSEC quirk*/
-static struct intel_dvsec_header dg1_telemetry = {
-	.length = 0x10,
-	.id = 2,
-	.num_entries = 1,
-	.entry_size = 3,
-	.tbir = 0,
-	.offset = 0x466000,
-};
-
-static struct intel_dvsec_header *dg1_capabilities[] = {
-	&dg1_telemetry,
-	NULL
-};
-
-static const struct pmt_platform_info dg1_info = {
-	.quirks = PMT_QUIRK_NO_DVSEC,
-	.capabilities = dg1_capabilities,
-};
-
-static int pmt_add_dev(struct pci_dev *pdev, struct intel_dvsec_header *header,
-		       unsigned long quirks)
-{
-	struct device *dev = &pdev->dev;
-	struct resource *res, *tmp;
-	struct mfd_cell *cell;
-	const char *name;
-	int count = header->num_entries;
-	int size = header->entry_size;
-	int id = header->id;
-	int i;
-
-	switch (id) {
-	case DVSEC_INTEL_ID_TELEMETRY:
-		name = "pmt_telemetry";
-		break;
-	case DVSEC_INTEL_ID_WATCHER:
-		if (quirks & PMT_QUIRK_NO_WATCHER) {
-			dev_info(dev, "Watcher not supported\n");
-			return -EINVAL;
-		}
-		name = "pmt_watcher";
-		break;
-	case DVSEC_INTEL_ID_CRASHLOG:
-		if (quirks & PMT_QUIRK_NO_CRASHLOG) {
-			dev_info(dev, "Crashlog not supported\n");
-			return -EINVAL;
-		}
-		name = "pmt_crashlog";
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if (!header->num_entries || !header->entry_size) {
-		dev_err(dev, "Invalid count or size for %s header\n", name);
-		return -EINVAL;
-	}
-
-	cell = devm_kzalloc(dev, sizeof(*cell), GFP_KERNEL);
-	if (!cell)
-		return -ENOMEM;
-
-	res = devm_kcalloc(dev, count, sizeof(*res), GFP_KERNEL);
-	if (!res)
-		return -ENOMEM;
-
-	if (quirks & PMT_QUIRK_TABLE_SHIFT)
-		header->offset >>= 3;
-
-	/*
-	 * The PMT DVSEC contains the starting offset and count for a block of
-	 * discovery tables, each providing access to monitoring facilities for
-	 * a section of the device. Create a resource list of these tables to
-	 * provide to the driver.
-	 */
-	for (i = 0, tmp = res; i < count; i++, tmp++) {
-		tmp->start = pdev->resource[header->tbir].start +
-			     header->offset + i * (size << 2);
-		tmp->end = tmp->start + (size << 2) - 1;
-		tmp->flags = IORESOURCE_MEM;
-	}
-
-	cell->resources = res;
-	cell->num_resources = count;
-	cell->name = name;
-
-	return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cell, 1, NULL, 0,
-				    NULL);
-}
-
-static int pmt_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
-	struct pmt_platform_info *info;
-	unsigned long quirks = 0;
-	bool found_devices = false;
-	int ret, pos = 0;
-
-	ret = pcim_enable_device(pdev);
-	if (ret)
-		return ret;
-
-	info = (struct pmt_platform_info *)id->driver_data;
-
-	if (info)
-		quirks = info->quirks;
-
-	if (info && (info->quirks & PMT_QUIRK_NO_DVSEC)) {
-		struct intel_dvsec_header **header;
-
-		header = info->capabilities;
-		while (*header) {
-			ret = pmt_add_dev(pdev, *header, quirks);
-			if (ret)
-				dev_warn(&pdev->dev,
-					 "Failed to add device for DVSEC id %d\n",
-					 (*header)->id);
-			else
-				found_devices = true;
-
-			++header;
-		}
-	} else {
-		do {
-			struct intel_dvsec_header header;
-			u32 table;
-			u16 vid;
-
-			pos = pci_find_next_ext_capability(pdev, pos, PCI_EXT_CAP_ID_DVSEC);
-			if (!pos)
-				break;
-
-			pci_read_config_word(pdev, pos + PCI_DVSEC_HEADER1, &vid);
-			if (vid != PCI_VENDOR_ID_INTEL)
-				continue;
-
-			pci_read_config_word(pdev, pos + PCI_DVSEC_HEADER2,
-					     &header.id);
-			pci_read_config_byte(pdev, pos + INTEL_DVSEC_ENTRIES,
-					     &header.num_entries);
-			pci_read_config_byte(pdev, pos + INTEL_DVSEC_SIZE,
-					     &header.entry_size);
-			pci_read_config_dword(pdev, pos + INTEL_DVSEC_TABLE,
-					      &table);
-
-			header.tbir = INTEL_DVSEC_TABLE_BAR(table);
-			header.offset = INTEL_DVSEC_TABLE_OFFSET(table);
-
-			ret = pmt_add_dev(pdev, &header, quirks);
-			if (ret)
-				continue;
-
-			found_devices = true;
-		} while (true);
-	}
-
-	if (!found_devices)
-		return -ENODEV;
-
-	pm_runtime_put(&pdev->dev);
-	pm_runtime_allow(&pdev->dev);
-
-	return 0;
-}
-
-static void pmt_pci_remove(struct pci_dev *pdev)
-{
-	pm_runtime_forbid(&pdev->dev);
-	pm_runtime_get_sync(&pdev->dev);
-}
-
-#define PCI_DEVICE_ID_INTEL_PMT_ADL	0x467d
-#define PCI_DEVICE_ID_INTEL_PMT_DG1	0x490e
-#define PCI_DEVICE_ID_INTEL_PMT_OOBMSM	0x09a7
-#define PCI_DEVICE_ID_INTEL_PMT_TGL	0x9a0d
-static const struct pci_device_id pmt_pci_ids[] = {
-	{ PCI_DEVICE_DATA(INTEL, PMT_ADL, &tgl_info) },
-	{ PCI_DEVICE_DATA(INTEL, PMT_DG1, &dg1_info) },
-	{ PCI_DEVICE_DATA(INTEL, PMT_OOBMSM, NULL) },
-	{ PCI_DEVICE_DATA(INTEL, PMT_TGL, &tgl_info) },
-	{ }
-};
-MODULE_DEVICE_TABLE(pci, pmt_pci_ids);
-
-static struct pci_driver pmt_pci_driver = {
-	.name = "intel-pmt",
-	.id_table = pmt_pci_ids,
-	.probe = pmt_pci_probe,
-	.remove = pmt_pci_remove,
-};
-module_pci_driver(pmt_pci_driver);
-
-MODULE_AUTHOR("David E. Box <david.e.box@linux.intel.com>");
-MODULE_DESCRIPTION("Intel Platform Monitoring Technology PMT driver");
-MODULE_LICENSE("GPL v2");