Lines Matching refs:ipc_pcie
9 static void ipc_write_dbell_reg(struct iosm_pcie *ipc_pcie, int irq_n, u32 data)
16 write_reg = (void __iomem *)((u8 __iomem *)ipc_pcie->ipc_regs +
17 ipc_pcie->doorbell_write +
18 (irq_n * ipc_pcie->doorbell_reg_offset));
26 void ipc_doorbell_fire(struct iosm_pcie *ipc_pcie, int irq_n, u32 data)
28 ipc_write_dbell_reg(ipc_pcie, irq_n, data);
34 struct iosm_pcie *ipc_pcie = dev_id;
35 int instance = irq - ipc_pcie->pci->irq;
40 if (instance >= ipc_pcie->nvec)
43 if (!test_bit(0, &ipc_pcie->suspend))
44 ipc_imem_irq_process(ipc_pcie->imem, instance);
49 void ipc_release_irq(struct iosm_pcie *ipc_pcie)
51 struct pci_dev *pdev = ipc_pcie->pci;
54 while (--ipc_pcie->nvec >= 0)
55 free_irq(pdev->irq + ipc_pcie->nvec, ipc_pcie);
60 int ipc_acquire_irq(struct iosm_pcie *ipc_pcie)
62 struct pci_dev *pdev = ipc_pcie->pci;
65 ipc_pcie->nvec = pci_alloc_irq_vectors(pdev, IPC_MSI_VECTORS,
68 if (ipc_pcie->nvec < 0) {
69 rc = ipc_pcie->nvec;
76 for (i = 0; i < ipc_pcie->nvec; ++i) {
79 KBUILD_MODNAME, ipc_pcie);
81 dev_err(ipc_pcie->dev, "unable to grab IRQ, rc=%d", rc);
82 ipc_pcie->nvec = i;
83 ipc_release_irq(ipc_pcie);