diff options
Diffstat (limited to 'drivers/hid/intel-ish-hid/ipc/pci-ish.c')
| -rw-r--r-- | drivers/hid/intel-ish-hid/ipc/pci-ish.c | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index 9e2401291a2f..1612e8cb23f0 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -26,9 +26,13 @@ enum ishtp_driver_data_index { ISHTP_DRIVER_DATA_NONE, ISHTP_DRIVER_DATA_LNL_M, + ISHTP_DRIVER_DATA_PTL, + ISHTP_DRIVER_DATA_WCL, }; #define ISH_FW_GEN_LNL_M "lnlm" +#define ISH_FW_GEN_PTL "ptl" +#define ISH_FW_GEN_WCL "wcl" #define ISH_FIRMWARE_PATH(gen) "intel/ish/ish_" gen ".bin" #define ISH_FIRMWARE_PATH_ALL "intel/ish/ish_*.bin" @@ -37,6 +41,12 @@ static struct ishtp_driver_data ishtp_driver_data[] = { [ISHTP_DRIVER_DATA_LNL_M] = { .fw_generation = ISH_FW_GEN_LNL_M, }, + [ISHTP_DRIVER_DATA_PTL] = { + .fw_generation = ISH_FW_GEN_PTL, + }, + [ISHTP_DRIVER_DATA_WCL] = { + .fw_generation = ISH_FW_GEN_WCL, + }, }; static const struct pci_device_id ish_pci_tbl[] = { @@ -62,7 +72,10 @@ static const struct pci_device_id ish_pci_tbl[] = { {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_MTL_P)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_H)}, {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_S)}, - {PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_LNL_M), .driver_data = ISHTP_DRIVER_DATA_LNL_M}, + {PCI_DEVICE_DATA(INTEL, ISH_LNL_M, ISHTP_DRIVER_DATA_LNL_M)}, + {PCI_DEVICE_DATA(INTEL, ISH_PTL_H, ISHTP_DRIVER_DATA_PTL)}, + {PCI_DEVICE_DATA(INTEL, ISH_PTL_P, ISHTP_DRIVER_DATA_PTL)}, + {PCI_DEVICE_DATA(INTEL, ISH_WCL, ISHTP_DRIVER_DATA_WCL)}, {} }; MODULE_DEVICE_TABLE(pci, ish_pci_tbl); @@ -134,6 +147,12 @@ static inline bool ish_should_enter_d0i3(struct pci_dev *pdev) static inline bool ish_should_leave_d0i3(struct pci_dev *pdev) { + struct ishtp_device *dev = pci_get_drvdata(pdev); + u32 fwsts = dev->ops->get_fw_status(dev); + + if (dev->suspend_flag || !IPC_IS_ISH_ILUP(fwsts)) + return false; + return !pm_resume_via_firmware() || pdev->device == PCI_DEVICE_ID_INTEL_ISH_CHV; } @@ -251,9 +270,6 @@ static void ish_shutdown(struct pci_dev *pdev) static struct device __maybe_unused *ish_resume_device; -/* 50ms to get resume response */ -#define WAIT_FOR_RESUME_ACK_MS 50 - /** * ish_resume_handler() - Work function to complete resume * @work: work struct @@ -267,10 +283,8 @@ static void __maybe_unused ish_resume_handler(struct work_struct *work) { struct pci_dev *pdev = to_pci_dev(ish_resume_device); struct ishtp_device *dev = pci_get_drvdata(pdev); - uint32_t fwsts = dev->ops->get_fw_status(dev); - if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag - && IPC_IS_ISH_ILUP(fwsts)) { + if (ish_should_leave_d0i3(pdev)) { if (device_may_wakeup(&pdev->dev)) disable_irq_wake(pdev->irq); @@ -374,12 +388,29 @@ static int __maybe_unused ish_resume(struct device *device) ish_resume_device = device; dev->resume_flag = 1; - schedule_work(&resume_work); + /* If ISH resume from D3, reset ishtp clients before return */ + if (!ish_should_leave_d0i3(pdev)) + ishtp_reset_handler(dev); + + queue_work(dev->unbound_wq, &resume_work); return 0; } -static SIMPLE_DEV_PM_OPS(ish_pm_ops, ish_suspend, ish_resume); +static int __maybe_unused ish_freeze(struct device *device) +{ + struct pci_dev *pdev = to_pci_dev(device); + + return pci_save_state(pdev); +} + +static const struct dev_pm_ops __maybe_unused ish_pm_ops = { + .suspend = pm_sleep_ptr(ish_suspend), + .resume = pm_sleep_ptr(ish_resume), + .freeze = pm_sleep_ptr(ish_freeze), + .restore = pm_sleep_ptr(ish_resume), + .poweroff = pm_sleep_ptr(ish_suspend), +}; static ssize_t base_version_show(struct device *cdev, struct device_attribute *attr, char *buf) |
