#define ATH11K_PCI_IRQ_CE0_OFFSET 3
+#define WINDOW_ENABLE_BIT 0x40000000
+#define WINDOW_REG_ADDRESS 0x310c
+#define WINDOW_VALUE_MASK GENMASK(24, 19)
+#define WINDOW_START 0x80000
+#define WINDOW_RANGE_MASK GENMASK(18, 0)
+
#define QCA6390_DEVICE_ID 0x1101
static const struct pci_device_id ath11k_pci_id_table[] = {
"tcl2host-status-ring",
};
+static inline void ath11k_pci_select_window(struct ath11k_pci *ab_pci, u32 offset)
+{
+ struct ath11k_base *ab = ab_pci->ab;
+
+ u32 window = FIELD_GET(WINDOW_VALUE_MASK, offset);
+
+ lockdep_assert_held(&ab_pci->window_lock);
+
+ if (window != ab_pci->register_window) {
+ iowrite32(WINDOW_ENABLE_BIT | window,
+ ab->mem + WINDOW_REG_ADDRESS);
+ ab_pci->register_window = window;
+ }
+}
+
+static void ath11k_pci_write32(struct ath11k_base *ab, u32 offset, u32 value)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+
+ if (offset < WINDOW_START) {
+ iowrite32(value, ab->mem + offset);
+ } else {
+ spin_lock_bh(&ab_pci->window_lock);
+ ath11k_pci_select_window(ab_pci, offset);
+ iowrite32(value, ab->mem + WINDOW_START + (offset & WINDOW_RANGE_MASK));
+ spin_unlock_bh(&ab_pci->window_lock);
+ }
+}
+
+static u32 ath11k_pci_read32(struct ath11k_base *ab, u32 offset)
+{
+ struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+ u32 val;
+
+ if (offset < WINDOW_START) {
+ val = ioread32(ab->mem + offset);
+ } else {
+ spin_lock_bh(&ab_pci->window_lock);
+ ath11k_pci_select_window(ab_pci, offset);
+ val = ioread32(ab->mem + WINDOW_START + (offset & WINDOW_RANGE_MASK));
+ spin_unlock_bh(&ab_pci->window_lock);
+ }
+
+ return val;
+}
+
int ath11k_pci_get_msi_irq(struct device *dev, unsigned int vector)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
static const struct ath11k_hif_ops ath11k_pci_hif_ops = {
.start = ath11k_pci_start,
.stop = ath11k_pci_stop,
+ .read32 = ath11k_pci_read32,
+ .write32 = ath11k_pci_write32,
.power_down = ath11k_pci_power_down,
.power_up = ath11k_pci_power_up,
};
ab_pci->pdev = pdev;
ab->hif.ops = &ath11k_pci_hif_ops;
pci_set_drvdata(pdev, ab);
+ spin_lock_init(&ab_pci->window_lock);
ret = ath11k_pci_claim(ab_pci, pdev);
if (ret) {