diff options
| author | Govind Singh <govinds@codeaurora.org> | 2020-08-14 10:10:24 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-08-17 13:18:21 +0300 |
| commit | c4eacabee22415194e8cc7e8dd4913897b058927 (patch) | |
| tree | f1021ad37142c7150172b1e47fa48f0c4472b81f /drivers/net/wireless/ath/ath11k/pci.c | |
| parent | 654e959ae0a19b90045d0e4d90a602ae2828a855 (diff) | |
ath11k: configure copy engine msi address in CE srng
Fill msi base address and msi data to be programmed in CE srang.
This is used by the srng to generate the msi interrupt.
Needed for PCI support.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.1.0.1-01238-QCAHKSWPL_SILICONZ-2
Signed-off-by: Govind Singh <govinds@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1597389030-13887-6-git-send-email-kvalo@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/pci.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 10c281ece3d4..af08f0542867 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -339,6 +339,18 @@ int ath11k_pci_get_msi_irq(struct device *dev, unsigned int vector) return pci_irq_vector(pci_dev, vector); } +static void ath11k_pci_get_msi_address(struct ath11k_base *ab, u32 *msi_addr_lo, + u32 *msi_addr_hi) +{ + struct pci_dev *pci_dev = to_pci_dev(ab->dev); + + pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_LO, + msi_addr_lo); + + pci_read_config_dword(pci_dev, pci_dev->msi_cap + PCI_MSI_ADDRESS_HI, + msi_addr_hi); +} + int ath11k_pci_get_user_msi_assignment(struct ath11k_pci *ab_pci, char *user_name, int *num_vectors, u32 *user_base_data, u32 *base_vector) @@ -366,6 +378,17 @@ int ath11k_pci_get_user_msi_assignment(struct ath11k_pci *ab_pci, char *user_nam return -EINVAL; } +static int ath11k_get_user_msi_assignment(struct ath11k_base *ab, char *user_name, + int *num_vectors, u32 *user_base_data, + u32 *base_vector) +{ + struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + + return ath11k_pci_get_user_msi_assignment(ab_pci, user_name, + num_vectors, user_base_data, + base_vector); +} + static void ath11k_pci_free_irq(struct ath11k_base *ab) { int i, irq_idx; @@ -634,6 +657,8 @@ static const struct ath11k_hif_ops ath11k_pci_hif_ops = { .write32 = ath11k_pci_write32, .power_down = ath11k_pci_power_down, .power_up = ath11k_pci_power_up, + .get_msi_address = ath11k_pci_get_msi_address, + .get_user_msi_vector = ath11k_get_user_msi_assignment, }; static int ath11k_pci_probe(struct pci_dev *pdev, |