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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 10:58:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-26 10:58:33 -0700
commit90035c28f17d59be660b9992757d09853ab203ec (patch)
treeabbf0cc3454231f2a623458f05a0be0e40ffea11 /drivers/mfd
parent81f202315856edb75a371f3376aa3a47543c16f0 (diff)
parente7882cd7aebe0696fbe178df1f30257e5729fdda (diff)
Merge tag 'platform-drivers-x86-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates freom Hans de Goede: - lots of Microsoft Surface work - platform-profile support for HP and Microsoft Surface devices - new WMI Gigabyte motherboard temperature monitoring driver - Intel PMC improvements for Tiger Lake and Alder Lake - misc bugfixes, improvements and quirk additions all over * tag 'platform-drivers-x86-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (87 commits) platform/x86: gigabyte-wmi: add support for B550M AORUS PRO-P platform/x86: intel_pmc_core: Uninitialized data in pmc_core_lpm_latch_mode_write() platform/x86: intel_pmc_core: add ACPI dependency platform/surface: aggregator: fix a bit test platform/x86: intel_pmc_core: Fix "unsigned 'ret' is never less than zero" smatch warning platform/x86: touchscreen_dmi: Add info for the Teclast Tbook 11 tablet platform/x86: intel_pmc_core: Add support for Alder Lake PCH-P platform/x86: intel_pmc_core: Add LTR registers for Tiger Lake platform/x86: intel_pmc_core: Add option to set/clear LPM mode platform/x86: intel_pmc_core: Add requirements file to debugfs platform/x86: intel_pmc_core: Get LPM requirements for Tiger Lake platform/x86: intel_pmc_core: Show LPM residency in microseconds platform/x86: intel_pmc_core: Handle sub-states generically platform/x86: intel_pmc_core: Remove global struct pmc_dev platform/x86: intel_pmc_core: Don't use global pmcdev in quirks platform/x86: intel_chtdc_ti_pwrbtn: Fix missing IRQF_ONESHOT as only threaded handler platform/x86: gigabyte-wmi: add X570 AORUS ELITE platform/x86: thinkpad_acpi: Add labels to the first 2 temperature sensors platform/x86: pmc_atom: Match all Beckhoff Automation baytrail boards with critclk_systems DMI table platform/x86: add Gigabyte WMI temperature driver ...
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/intel_pmt.c112
1 files changed, 75 insertions, 37 deletions
diff --git a/drivers/mfd/intel_pmt.c b/drivers/mfd/intel_pmt.c
index 744b230cdcca..dd7eb614c28e 100644
--- a/drivers/mfd/intel_pmt.c
+++ b/drivers/mfd/intel_pmt.c
@@ -49,10 +49,14 @@ enum pmt_quirks {
/* 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 = {
@@ -60,6 +64,26 @@ static const struct pmt_platform_info tgl_info = {
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)
{
@@ -79,19 +103,18 @@ static int pmt_add_dev(struct pci_dev *pdev, struct intel_dvsec_header *header,
case DVSEC_INTEL_ID_WATCHER:
if (quirks & PMT_QUIRK_NO_WATCHER) {
dev_info(dev, "Watcher not supported\n");
- return 0;
+ 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 0;
+ return -EINVAL;
}
name = "pmt_crashlog";
break;
default:
- dev_err(dev, "Unrecognized PMT capability: %d\n", id);
return -EINVAL;
}
@@ -148,41 +171,54 @@ static int pmt_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (info)
quirks = info->quirks;
- 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) {
- dev_warn(&pdev->dev,
- "Failed to add device for DVSEC id %d\n",
- header.id);
- continue;
- }
+ 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;
- found_devices = true;
- } while (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;
@@ -200,10 +236,12 @@ static void pmt_pci_remove(struct pci_dev *pdev)
}
#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) },
{ }