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path: root/drivers/usb/host/xhci-pci.c
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Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
-rw-r--r--drivers/usb/host/xhci-pci.c582
1 files changed, 500 insertions, 82 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index a9ec7051f286..585b2f3117b0 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -12,59 +12,225 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/acpi.h>
+#include <linux/reset.h>
+#include <linux/suspend.h>
#include "xhci.h"
#include "xhci-trace.h"
+#include "xhci-pci.h"
#define SSIC_PORT_NUM 2
#define SSIC_PORT_CFG2 0x880c
#define SSIC_PORT_CFG2_OFFSET 0x30
#define PROG_DONE (1 << 30)
#define SSIC_PORT_UNUSED (1 << 31)
+#define SPARSE_DISABLE_BIT 17
+#define SPARSE_CNTL_ENABLE 0xC12C
/* Device for a quirk */
-#define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73
-#define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000
+#define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73
+#define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000
#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1009 0x1009
+#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 0x1100
#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1400 0x1400
-#define PCI_VENDOR_ID_ETRON 0x1b6f
-#define PCI_DEVICE_ID_EJ168 0x7023
+#define PCI_VENDOR_ID_ETRON 0x1b6f
+#define PCI_DEVICE_ID_ETRON_EJ168 0x7023
+#define PCI_DEVICE_ID_ETRON_EJ188 0x7052
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
+#define PCI_DEVICE_ID_VIA_VL805 0x3483
+
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_XHCI 0x9cb1
#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f
#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f
#define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8
#define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI 0x1aa8
-#define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8
-#define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0
+#define PCI_DEVICE_ID_INTEL_APOLLO_LAKE_XHCI 0x5aa8
+#define PCI_DEVICE_ID_INTEL_DENVERTON_XHCI 0x19d0
+#define PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI 0x8a13
+#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI 0x9a13
+#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_PCH_XHCI 0xa0ed
+#define PCI_DEVICE_ID_INTEL_COMET_LAKE_XHCI 0xa3af
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_PCH_XHCI 0x54ed
+
+#define PCI_VENDOR_ID_PHYTIUM 0x1db7
+#define PCI_DEVICE_ID_PHYTIUM_XHCI 0xdc27
+
+/* Thunderbolt */
+#define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI 0x1138
#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_XHCI 0x15b5
#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_XHCI 0x15b6
+#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_XHCI 0x15c1
#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_XHCI 0x15db
#define PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_XHCI 0x15d4
#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI 0x15e9
#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI 0x15ec
#define PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI 0x15f0
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI 0x13ed
+#define PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI 0x13ee
+#define PCI_DEVICE_ID_AMD_STARSHIP_XHCI 0x148c
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI 0x15d4
+#define PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI 0x15d5
+#define PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI 0x15e0
+#define PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI 0x15e1
+#define PCI_DEVICE_ID_AMD_RAVEN2_XHCI 0x15e5
+#define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
#define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb
#define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc
+
+#define PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI 0x7316
+
+#define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042
#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142
+#define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242
+#define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142
+#define PCI_DEVICE_ID_ASMEDIA_3042_XHCI 0x3042
+#define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242
static const char hcd_name[] = "xhci_hcd";
static struct hc_driver __read_mostly xhci_pci_hc_driver;
static int xhci_pci_setup(struct usb_hcd *hcd);
+static int xhci_pci_run(struct usb_hcd *hcd);
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+ struct usb_tt *tt, gfp_t mem_flags);
static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
.reset = xhci_pci_setup,
+ .start = xhci_pci_run,
+ .update_hub_device = xhci_pci_update_hub_device,
};
+/*
+ * Primary Legacy and MSI IRQ are synced in suspend_common().
+ * All MSI-X IRQs and secondary MSI IRQs should be synced here.
+ */
+static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+{
+ struct usb_hcd *hcd = xhci_to_hcd(xhci);
+
+ if (hcd->msix_enabled) {
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+
+ /* for now, the driver only supports one primary interrupter */
+ synchronize_irq(pci_irq_vector(pdev, 0));
+ }
+}
+
+/* Legacy IRQ is freed by usb_remove_hcd() or usb_hcd_pci_shutdown() */
+static void xhci_cleanup_msix(struct xhci_hcd *xhci)
+{
+ struct usb_hcd *hcd = xhci_to_hcd(xhci);
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+
+ if (hcd->irq > 0)
+ return;
+
+ free_irq(pci_irq_vector(pdev, 0), xhci_to_hcd(xhci));
+ pci_free_irq_vectors(pdev);
+ hcd->msix_enabled = 0;
+}
+
+/* Try enabling MSI-X with MSI and legacy IRQ as fallback */
+static int xhci_try_enable_msi(struct usb_hcd *hcd)
+{
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ int ret;
+
+ /*
+ * Some Fresco Logic host controllers advertise MSI, but fail to
+ * generate interrupts. Don't even try to enable MSI.
+ */
+ if (xhci->quirks & XHCI_BROKEN_MSI)
+ goto legacy_irq;
+
+ /* unregister the legacy interrupt */
+ if (hcd->irq)
+ free_irq(hcd->irq, hcd);
+ hcd->irq = 0;
+
+ /*
+ * Calculate number of MSI/MSI-X vectors supported.
+ * - max_interrupters: the max number of interrupts requested, capped to xhci HCSPARAMS1.
+ * - num_online_cpus: one vector per CPUs core, with at least one overall.
+ */
+ xhci->nvecs = min(num_online_cpus() + 1, xhci->max_interrupters);
+
+ /* TODO: Check with MSI Soc for sysdev */
+ xhci->nvecs = pci_alloc_irq_vectors(pdev, 1, xhci->nvecs,
+ PCI_IRQ_MSIX | PCI_IRQ_MSI);
+ if (xhci->nvecs < 0) {
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "failed to allocate IRQ vectors");
+ goto legacy_irq;
+ }
+
+ ret = request_irq(pci_irq_vector(pdev, 0), xhci_msi_irq, 0, "xhci_hcd",
+ xhci_to_hcd(xhci));
+ if (ret)
+ goto free_irq_vectors;
+
+ hcd->msi_enabled = 1;
+ hcd->msix_enabled = pdev->msix_enabled;
+ return 0;
+
+free_irq_vectors:
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "disable %s interrupt",
+ pdev->msix_enabled ? "MSI-X" : "MSI");
+ pci_free_irq_vectors(pdev);
+
+legacy_irq:
+ if (!pdev->irq) {
+ xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n");
+ return -EINVAL;
+ }
+
+ if (!strlen(hcd->irq_descr))
+ snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d",
+ hcd->driver->description, hcd->self.busnum);
+
+ /* fall back to legacy interrupt */
+ ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, hcd->irq_descr, hcd);
+ if (ret) {
+ xhci_err(xhci, "request interrupt %d failed\n", pdev->irq);
+ return ret;
+ }
+ hcd->irq = pdev->irq;
+ return 0;
+}
+
+static int xhci_pci_run(struct usb_hcd *hcd)
+{
+ int ret;
+
+ if (usb_hcd_is_primary_hcd(hcd)) {
+ ret = xhci_try_enable_msi(hcd);
+ if (ret)
+ return ret;
+ }
+
+ return xhci_run(hcd);
+}
+
+static void xhci_pci_stop(struct usb_hcd *hcd)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+
+ xhci_stop(hcd);
+
+ if (usb_hcd_is_primary_hcd(hcd))
+ xhci_cleanup_msix(xhci);
+}
+
/* called after powerup, by probe or system-pm "wakeup" */
static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev)
{
@@ -84,7 +250,7 @@ static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev)
static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
{
- struct pci_dev *pdev = to_pci_dev(dev);
+ struct pci_dev *pdev = to_pci_dev(dev);
/* Look for vendor-specific quirks */
if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
@@ -94,8 +260,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->revision == 0x0) {
xhci->quirks |= XHCI_RESET_EP_QUIRK;
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "QUIRK: Fresco Logic xHC needs configure"
- " endpoint cmd after reset endpoint");
+ "XHCI_RESET_EP_QUIRK for this evaluation HW is deprecated");
}
if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
pdev->revision == 0x4) {
@@ -116,7 +281,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
"QUIRK: Fresco Logic revision %u "
"has broken MSI implementation",
pdev->revision);
- xhci->quirks |= XHCI_TRUST_TX_LENGTH;
}
if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
@@ -126,15 +290,31 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
if (pdev->vendor == PCI_VENDOR_ID_NEC)
xhci->quirks |= XHCI_NEC_HOST;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ (pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEC_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_ARIEL_TYPEA_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_STARSHIP_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D4_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_FIREFLIGHT_15D5_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E0_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_RAVEN_15E1_XHCI ||
+ pdev->device == PCI_DEVICE_ID_AMD_RAVEN2_XHCI))
+ xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
+ if (pdev->vendor == PCI_VENDOR_ID_ATI &&
+ pdev->device == PCI_DEVICE_ID_ATI_NAVI10_7316_XHCI)
+ xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_9;
+
if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96)
xhci->quirks |= XHCI_AMD_0x96_HOST;
/* AMD PLL quirk */
- if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info())
+ if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_quirk_pll_check())
xhci->quirks |= XHCI_AMD_PLL_FIX;
if (pdev->vendor == PCI_VENDOR_ID_AMD &&
- (pdev->device == 0x15e0 ||
+ (pdev->device == 0x145c ||
+ pdev->device == 0x15e0 ||
pdev->device == 0x15e1 ||
pdev->device == 0x43bb))
xhci->quirks |= XHCI_SUSPEND_DELAY;
@@ -143,8 +323,13 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
(pdev->device == 0x15e0 || pdev->device == 0x15e1))
xhci->quirks |= XHCI_SNPS_BROKEN_SUSPEND;
- if (pdev->vendor == PCI_VENDOR_ID_AMD)
- xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x15e5) {
+ xhci->quirks |= XHCI_DISABLE_SPARSE;
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+ }
+
+ if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x43f7)
+ xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if ((pdev->vendor == PCI_VENDOR_ID_AMD) &&
((pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4) ||
@@ -153,6 +338,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
(pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_1)))
xhci->quirks |= XHCI_U2_DISABLE_WAKE;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ pdev->device == PCI_DEVICE_ID_AMD_RENOIR_XHCI)
+ xhci->quirks |= XHCI_BROKEN_D3COLD_S2I;
+
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
xhci->quirks |= XHCI_LPM_SUPPORT;
xhci->quirks |= XHCI_INTEL_HOST;
@@ -185,8 +374,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) {
+ pdev->device == PCI_DEVICE_ID_INTEL_APOLLO_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_DENVERTON_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_COMET_LAKE_XHCI)) {
xhci->quirks |= XHCI_PME_STUCK_QUIRK;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
@@ -194,35 +384,48 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_SSIC_PORT_UNUSED;
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_APOLLO_LAKE_XHCI))
xhci->quirks |= XHCI_INTEL_USB_ROLE_SW;
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_APOLLO_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_DENVERTON_XHCI))
xhci->quirks |= XHCI_MISSING_CAS;
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+ (pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_PCH_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_PCH_XHCI))
+ xhci->quirks |= XHCI_RESET_TO_DEFAULT;
+
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ICE_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
- pdev->device == PCI_DEVICE_ID_EJ168) {
+ (pdev->device == PCI_DEVICE_ID_ETRON_EJ168 ||
+ pdev->device == PCI_DEVICE_ID_ETRON_EJ188)) {
+ xhci->quirks |= XHCI_ETRON_HOST;
xhci->quirks |= XHCI_RESET_ON_RESUME;
- xhci->quirks |= XHCI_TRUST_TX_LENGTH;
xhci->quirks |= XHCI_BROKEN_STREAMS;
+ xhci->quirks |= XHCI_NO_SOFT_RETRY;
}
+
if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
pdev->device == 0x0014) {
- xhci->quirks |= XHCI_TRUST_TX_LENGTH;
xhci->quirks |= XHCI_ZERO_64B_REGS;
}
if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
@@ -233,22 +436,47 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
if (pdev->vendor == PCI_VENDOR_ID_VIA)
xhci->quirks |= XHCI_RESET_ON_RESUME;
+ if (pdev->vendor == PCI_VENDOR_ID_PHYTIUM &&
+ pdev->device == PCI_DEVICE_ID_PHYTIUM_XHCI)
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+
/* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
if (pdev->vendor == PCI_VENDOR_ID_VIA &&
pdev->device == 0x3432)
xhci->quirks |= XHCI_BROKEN_STREAMS;
+ if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == PCI_DEVICE_ID_VIA_VL805) {
+ xhci->quirks |= XHCI_LPM_SUPPORT;
+ xhci->quirks |= XHCI_TRB_OVERFETCH;
+ }
+
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == 0x1042)
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI) {
+ /*
+ * try to tame the ASMedia 1042 controller which reports 0.96
+ * but appears to behave more like 1.0
+ */
+ xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
xhci->quirks |= XHCI_BROKEN_STREAMS;
+ }
+ if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) {
+ xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
+ }
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == 0x1142)
- xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ (pdev->device == PCI_DEVICE_ID_ASMEDIA_1142_XHCI ||
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_2142_XHCI ||
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_3242_XHCI))
+ xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL;
+ if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_3042_XHCI)
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+
if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241)
xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7;
@@ -257,6 +485,32 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == 0x9026)
xhci->quirks |= XHCI_RESET_PLL_ON_DISCONNECT;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ (pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_2 ||
+ pdev->device == PCI_DEVICE_ID_AMD_PROMONTORYA_4))
+ xhci->quirks |= XHCI_NO_SOFT_RETRY;
+
+ if (pdev->vendor == PCI_VENDOR_ID_ZHAOXIN) {
+ xhci->quirks |= XHCI_ZHAOXIN_HOST;
+ xhci->quirks |= XHCI_LPM_SUPPORT;
+
+ if (pdev->device == 0x9202) {
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+ xhci->quirks |= XHCI_TRB_OVERFETCH;
+ }
+
+ if (pdev->device == 0x9203)
+ xhci->quirks |= XHCI_TRB_OVERFETCH;
+ }
+
+ if (pdev->vendor == PCI_VENDOR_ID_CDNS &&
+ pdev->device == PCI_DEVICE_ID_CDNS_USBSSP)
+ xhci->quirks |= XHCI_CDNS_SCTX_QUIRK;
+
+ /* xHC spec requires PCI devices to support D3hot and D3cold */
+ if (xhci->hci_version >= 0x120)
+ xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
+
if (xhci->quirks & XHCI_RESET_ON_RESUME)
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"QUIRK: Resetting on resume");
@@ -274,8 +528,38 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
NULL);
ACPI_FREE(obj);
}
+
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct xhci_hub *rhub = &xhci->usb3_rhub;
+ int ret;
+ int i;
+
+ /* This is not the usb3 roothub we are looking for */
+ if (hcd != rhub->hcd)
+ return;
+
+ if (hdev->maxchild > rhub->num_ports) {
+ dev_err(&hdev->dev, "USB3 roothub port number mismatch\n");
+ return;
+ }
+
+ for (i = 0; i < hdev->maxchild; i++) {
+ ret = usb_acpi_port_lpm_incapable(hdev, i);
+
+ dev_dbg(&hdev->dev, "port-%d disable U1/U2 _DSM: %d\n", i + 1, ret);
+
+ if (ret >= 0) {
+ rhub->ports[i]->lpm_incapable = ret;
+ continue;
+ }
+ }
+}
+
#else
static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev) { }
#endif /* CONFIG_ACPI */
/* called during probe() after chip reset completes */
@@ -284,10 +568,9 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
struct xhci_hcd *xhci;
struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
int retval;
+ u8 sbrn;
xhci = hcd_to_xhci(hcd);
- if (!xhci->sbrn)
- pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn);
/* imod_interval is the interrupt moderation value in nanoseconds. */
xhci->imod_interval = 40000;
@@ -299,24 +582,43 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
if (!usb_hcd_is_primary_hcd(hcd))
return 0;
- xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn);
+ xhci->allow_single_roothub = 1;
+
+ if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
+ xhci_pme_acpi_rtd3_enable(pdev);
+
+ pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &sbrn);
+ xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int)sbrn);
/* Find any debug ports */
return xhci_pci_reinit(xhci, pdev);
}
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+ struct usb_tt *tt, gfp_t mem_flags)
+{
+ /* Check if acpi claims some USB3 roothub ports are lpm incapable */
+ if (!hdev->parent)
+ xhci_find_lpm_incapable_ports(hcd, hdev);
+
+ return xhci_update_hub_device(hcd, hdev, tt, mem_flags);
+}
+
/*
* We need to register our own PCI probe function (instead of the USB core's
* function) in order to create a second roothub under xHCI.
*/
-static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+int xhci_pci_common_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int retval;
struct xhci_hcd *xhci;
- struct hc_driver *driver;
- struct usb_hcd *hcd;
+ struct usb_hcd *hcd, *usb3_hcd;
+ struct reset_control *reset;
- driver = (struct hc_driver *)id->driver_data;
+ reset = devm_reset_control_get_optional_exclusive(&dev->dev, NULL);
+ if (IS_ERR(reset))
+ return PTR_ERR(reset);
+ reset_control_reset(reset);
/* Prevent runtime suspending between USB-2 and USB-3 initialization */
pm_runtime_get_noresume(&dev->dev);
@@ -327,7 +629,7 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
* to say USB 2.0, but I'm not sure what the implications would be in
* the other parts of the HCD code.
*/
- retval = usb_hcd_pci_probe(dev, id);
+ retval = usb_hcd_pci_probe(dev, &xhci_pci_hc_driver);
if (retval)
goto put_runtime_pm;
@@ -335,36 +637,46 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
/* USB 2.0 roothub is stored in the PCI device now. */
hcd = dev_get_drvdata(&dev->dev);
xhci = hcd_to_xhci(hcd);
- xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev,
- pci_name(dev), hcd);
- if (!xhci->shared_hcd) {
- retval = -ENOMEM;
- goto dealloc_usb2_hcd;
- }
-
- retval = xhci_ext_cap_init(xhci);
- if (retval)
- goto put_usb3_hcd;
-
- retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
- IRQF_SHARED);
- if (retval)
- goto put_usb3_hcd;
- /* Roothub already marked as USB 3.0 speed */
+ xhci->reset = reset;
+
+ if (!xhci_has_one_roothub(xhci)) {
+ xhci->shared_hcd = usb_create_shared_hcd(&xhci_pci_hc_driver, &dev->dev,
+ pci_name(dev), hcd);
+ if (!xhci->shared_hcd) {
+ retval = -ENOMEM;
+ goto dealloc_usb2_hcd;
+ }
- if (!(xhci->quirks & XHCI_BROKEN_STREAMS) &&
- HCC_MAX_PSA(xhci->hcc_params) >= 4)
- xhci->shared_hcd->can_do_streams = 1;
+ retval = xhci_ext_cap_init(xhci);
+ if (retval)
+ goto put_usb3_hcd;
+
+ retval = usb_add_hcd(xhci->shared_hcd, dev->irq, IRQF_SHARED);
+ if (retval)
+ goto put_usb3_hcd;
+ } else {
+ retval = xhci_ext_cap_init(xhci);
+ if (retval)
+ goto dealloc_usb2_hcd;
+ }
- if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
- xhci_pme_acpi_rtd3_enable(dev);
+ usb3_hcd = xhci_get_usb3_hcd(xhci);
+ if (usb3_hcd && !(xhci->quirks & XHCI_BROKEN_STREAMS) && HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ usb3_hcd->can_do_streams = 1;
/* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */
pm_runtime_put_noidle(&dev->dev);
- if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
+ if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0)
+ pm_runtime_get(&dev->dev);
+ else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
pm_runtime_allow(&dev->dev);
+ dma_set_max_seg_size(&dev->dev, UINT_MAX);
+
+ if (device_property_read_bool(&dev->dev, "ti,pwron-active-high"))
+ pci_clear_and_set_config_dword(dev, 0xE0, 0, 1 << 22);
+
return 0;
put_usb3_hcd:
@@ -375,15 +687,37 @@ put_runtime_pm:
pm_runtime_put_noidle(&dev->dev);
return retval;
}
+EXPORT_SYMBOL_NS_GPL(xhci_pci_common_probe, "xhci");
+
+/* handled by xhci-pci-renesas if enabled */
+static const struct pci_device_id pci_ids_renesas[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_RENESAS, 0x0014) },
+ { PCI_DEVICE(PCI_VENDOR_ID_RENESAS, 0x0015) },
+ { /* end: all zeroes */ }
+};
+
+static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+ if (IS_ENABLED(CONFIG_USB_XHCI_PCI_RENESAS) &&
+ pci_match_id(pci_ids_renesas, dev))
+ return -ENODEV;
+
+ return xhci_pci_common_probe(dev, id);
+}
-static void xhci_pci_remove(struct pci_dev *dev)
+void xhci_pci_remove(struct pci_dev *dev)
{
struct xhci_hcd *xhci;
+ bool set_power_d3;
xhci = hcd_to_xhci(pci_get_drvdata(dev));
+ set_power_d3 = xhci->quirks & XHCI_SPURIOUS_WAKEUP;
+
xhci->xhc_state |= XHCI_STATE_REMOVING;
- if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
+ if (pci_choose_state(dev, PMSG_SUSPEND) == PCI_D0)
+ pm_runtime_put(&dev->dev);
+ else if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
pm_runtime_forbid(&dev->dev);
if (xhci->shared_hcd) {
@@ -392,14 +726,14 @@ static void xhci_pci_remove(struct pci_dev *dev)
xhci->shared_hcd = NULL;
}
+ usb_hcd_pci_remove(dev);
+
/* Workaround for spurious wakeups at shutdown with HSW */
- if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+ if (set_power_d3)
pci_set_power_state(dev, PCI_D3hot);
-
- usb_hcd_pci_remove(dev);
}
+EXPORT_SYMBOL_NS_GPL(xhci_pci_remove, "xhci");
-#ifdef CONFIG_PM
/*
* In some Intel xHCI controllers, in order to get D3 working,
* through a vendor specific SSIC CONFIG register at offset 0x883c,
@@ -454,6 +788,15 @@ static void xhci_pme_quirk(struct usb_hcd *hcd)
readl(reg);
}
+static void xhci_sparse_control_quirk(struct usb_hcd *hcd)
+{
+ u32 reg;
+
+ reg = readl(hcd->regs + SPARSE_CNTL_ENABLE);
+ reg &= ~BIT(SPARSE_DISABLE_BIT);
+ writel(reg, hcd->regs + SPARSE_CNTL_ENABLE);
+}
+
static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
@@ -467,24 +810,41 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
pci_d3cold_disable(pdev);
+#ifdef CONFIG_SUSPEND
+ /* d3cold is broken, but only when s2idle is used */
+ if (pm_suspend_target_state == PM_SUSPEND_TO_IDLE &&
+ xhci->quirks & (XHCI_BROKEN_D3COLD_S2I))
+ pci_d3cold_disable(pdev);
+#endif
+
if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
xhci_pme_quirk(hcd);
if (xhci->quirks & XHCI_SSIC_PORT_UNUSED)
xhci_ssic_port_unused_quirk(hcd, true);
+ if (xhci->quirks & XHCI_DISABLE_SPARSE)
+ xhci_sparse_control_quirk(hcd);
+
ret = xhci_suspend(xhci, do_wakeup);
+
+ /* synchronize irq when using MSI-X */
+ xhci_msix_sync_irqs(xhci);
+
if (ret && (xhci->quirks & XHCI_SSIC_PORT_UNUSED))
xhci_ssic_port_unused_quirk(hcd, false);
return ret;
}
-static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
+static int xhci_pci_resume(struct usb_hcd *hcd, pm_message_t msg)
{
- struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
- int retval = 0;
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+ bool power_lost = msg.event == PM_EVENT_RESTORE;
+ bool is_auto_resume = msg.event == PM_EVENT_AUTO_RESUME;
+
+ reset_control_reset(xhci->reset);
/* The BIOS on systems with the Intel Panther Point chipset may or may
* not support xHCI natively. That means that during system resume, it
@@ -513,18 +873,77 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
xhci_pme_quirk(hcd);
- retval = xhci_resume(xhci, hibernated);
- return retval;
+ return xhci_resume(xhci, power_lost, is_auto_resume);
+}
+
+static int xhci_pci_poweroff_late(struct usb_hcd *hcd, bool do_wakeup)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct xhci_port *port;
+ struct usb_device *udev;
+ u32 portsc;
+ int i;
+
+ /*
+ * Systems with XHCI_RESET_TO_DEFAULT quirk have boot firmware that
+ * cause significant boot delay if usb ports are in suspended U3 state
+ * during boot. Some USB devices survive in U3 state over S4 hibernate
+ *
+ * Disable ports that are in U3 if remote wake is not enabled for either
+ * host controller or connected device
+ */
+
+ if (!(xhci->quirks & XHCI_RESET_TO_DEFAULT))
+ return 0;
+
+ for (i = 0; i < xhci->max_ports; i++) {
+ port = &xhci->hw_ports[i];
+ portsc = xhci_portsc_readl(port);
+
+ if ((portsc & PORT_PLS_MASK) != XDEV_U3)
+ continue;
+
+ if (!port->slot_id || !xhci->devs[port->slot_id]) {
+ xhci_err(xhci, "No dev for slot_id %d for port %d-%d in U3\n",
+ port->slot_id, port->rhub->hcd->self.busnum,
+ port->hcd_portnum + 1);
+ continue;
+ }
+
+ udev = xhci->devs[port->slot_id]->udev;
+
+ /* if wakeup is enabled then don't disable the port */
+ if (udev->do_remote_wakeup && do_wakeup)
+ continue;
+
+ xhci_dbg(xhci, "port %d-%d in U3 without wakeup, disable it\n",
+ port->rhub->hcd->self.busnum, port->hcd_portnum + 1);
+ portsc = xhci_port_state_to_neutral(portsc);
+ xhci_portsc_writel(port, portsc | PORT_PE);
+ }
+
+ return 0;
+}
+
+static void xhci_pci_shutdown(struct usb_hcd *hcd)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+
+ xhci_shutdown(hcd);
+ xhci_cleanup_msix(xhci);
+
+ /* Yet another workaround for spurious wakeups at shutdown with HSW */
+ if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+ pci_set_power_state(pdev, PCI_D3hot);
}
-#endif /* CONFIG_PM */
/*-------------------------------------------------------------------------*/
/* PCI driver selection metadata; PCI hotplugging uses this */
-static const struct pci_device_id pci_ids[] = { {
+static const struct pci_device_id pci_ids[] = {
/* handle any USB 3.0 xHCI controller */
- PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0),
- .driver_data = (unsigned long) &xhci_pci_hc_driver,
+ { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0),
},
{ /* end: all zeroes */ }
};
@@ -532,7 +951,7 @@ MODULE_DEVICE_TABLE(pci, pci_ids);
/* pci driver glue; this is a "new style" PCI driver module */
static struct pci_driver xhci_pci_driver = {
- .name = (char *) hcd_name,
+ .name = hcd_name,
.id_table = pci_ids,
.probe = xhci_pci_probe,
@@ -540,20 +959,19 @@ static struct pci_driver xhci_pci_driver = {
/* suspend and resume implemented later */
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM
.driver = {
- .pm = &usb_hcd_pci_pm_ops
+ .pm = pm_ptr(&usb_hcd_pci_pm_ops),
},
-#endif
};
static int __init xhci_pci_init(void)
{
xhci_init_driver(&xhci_pci_hc_driver, &xhci_pci_overrides);
-#ifdef CONFIG_PM
- xhci_pci_hc_driver.pci_suspend = xhci_pci_suspend;
- xhci_pci_hc_driver.pci_resume = xhci_pci_resume;
-#endif
+ xhci_pci_hc_driver.pci_suspend = pm_ptr(xhci_pci_suspend);
+ xhci_pci_hc_driver.pci_resume = pm_ptr(xhci_pci_resume);
+ xhci_pci_hc_driver.pci_poweroff_late = pm_ptr(xhci_pci_poweroff_late);
+ xhci_pci_hc_driver.shutdown = pm_ptr(xhci_pci_shutdown);
+ xhci_pci_hc_driver.stop = xhci_pci_stop;
return pci_register_driver(&xhci_pci_driver);
}
module_init(xhci_pci_init);