ipq50xx-breeze303/package/kernel/mac80211/patches/ath11k/925-wifi-ath11k-refactor-register-access-logic-for-general-purpose.patch

--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -142,58 +142,47 @@ enum ext_irq_num {
 };
 
 static int
-ath11k_ahb_get_msi_irq_wcn6750(struct ath11k_base *ab, unsigned int vector)
+ath11k_ahb_get_msi_irq(struct ath11k_base *ab, unsigned int vector)
 {
 	return ab->pci.msi.irqs[vector];
 }
 
-static inline u32
-ath11k_ahb_get_window_start_wcn6750(struct ath11k_base *ab, u32 offset)
+static u32 ath11k_ahb_get_window_start(struct ath11k_base *ab, u32 offset)
 {
-	u32 window_start = 0;
-
-	/* If offset lies within DP register range, use 1st window */
-	if ((offset ^ HAL_SEQ_WCSS_UMAC_OFFSET) < ATH11K_PCI_WINDOW_RANGE_MASK)
-		window_start = ATH11K_PCI_WINDOW_START;
-	/* If offset lies within CE register range, use 2nd window */
-	else if ((offset ^ HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab)) <
-		 ATH11K_PCI_WINDOW_RANGE_MASK)
-		window_start = 2 * ATH11K_PCI_WINDOW_START;
-
-	return window_start;
+	return ath11k_pcic_get_window_start(ab, offset, ATH11K_BUS_AHB);
 }
 
 static void
-ath11k_ahb_window_write32_wcn6750(struct ath11k_base *ab, u32 offset, u32 value)
+ath11k_ahb_window_write32(struct ath11k_base *ab, u32 offset, u32 value)
 {
 	u32 window_start;
 
 	/* WCN6750 uses static window based register access*/
-	window_start = ath11k_ahb_get_window_start_wcn6750(ab, offset);
+	window_start = ath11k_ahb_get_window_start(ab, offset);
 
 	iowrite32(value, ab->mem + window_start +
 		  (offset & ATH11K_PCI_WINDOW_RANGE_MASK));
 }
 
-static u32 ath11k_ahb_window_read32_wcn6750(struct ath11k_base *ab, u32 offset)
+static u32 ath11k_ahb_window_read32(struct ath11k_base *ab, u32 offset)
 {
 	u32 window_start;
 	u32 val;
 
 	/* WCN6750 uses static window based register access */
-	window_start = ath11k_ahb_get_window_start_wcn6750(ab, offset);
+	window_start = ath11k_ahb_get_window_start(ab, offset);
 
 	val = ioread32(ab->mem + window_start +
 		       (offset & ATH11K_PCI_WINDOW_RANGE_MASK));
 	return val;
 }
 
-static const struct ath11k_pci_ops ath11k_ahb_pci_ops_wcn6750 = {
+static const struct ath11k_pci_ops ath11k_ahb_pci_ops = {
 	.wakeup = NULL,
 	.release = NULL,
-	.get_msi_irq = ath11k_ahb_get_msi_irq_wcn6750,
-	.window_write32 = ath11k_ahb_window_write32_wcn6750,
-	.window_read32 = ath11k_ahb_window_read32_wcn6750,
+	.get_msi_irq = ath11k_ahb_get_msi_irq,
+	.window_write32 = ath11k_ahb_window_write32,
+	.window_read32 = ath11k_ahb_window_read32,
 };
 
 static inline u32 ath11k_ahb_read32(struct ath11k_base *ab, u32 offset)
@@ -1142,7 +1131,7 @@ static int ath11k_ahb_probe(struct platf
 		break;
 	case ATH11K_HW_WCN6750_HW10:
 		hif_ops = &ath11k_ahb_hif_ops_wcn6750;
-		pci_ops = &ath11k_ahb_pci_ops_wcn6750;
+		pci_ops = &ath11k_ahb_pci_ops;
 		break;
 	default:
 		dev_err(&pdev->dev, "unsupported device type %d\n", hw_rev);
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -56,18 +56,7 @@ static void ath11k_pci_bus_release(struc
 
 static u32 ath11k_pci_get_window_start(struct ath11k_base *ab, u32 offset)
 {
-	if (!ab->hw_params.static_window_map)
-		return ATH11K_PCI_WINDOW_START;
-
-	if ((offset ^ HAL_SEQ_WCSS_UMAC_OFFSET) < ATH11K_PCI_WINDOW_RANGE_MASK)
-		/* if offset lies within DP register range, use 3rd window */
-		return 3 * ATH11K_PCI_WINDOW_START;
-	else if ((offset ^ HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab)) <
-		 ATH11K_PCI_WINDOW_RANGE_MASK)
-		 /* if offset lies within CE register range, use 2nd window */
-		return 2 * ATH11K_PCI_WINDOW_START;
-	else
-		return ATH11K_PCI_WINDOW_START;
+	return ath11k_pcic_get_window_start(ab, offset, ATH11K_BUS_PCI);
 }
 
 static inline void ath11k_pci_select_window(struct ath11k_pci *ab_pci, u32 offset)
@@ -161,20 +150,6 @@ static const struct ath11k_msi_config ms
 	},
 };
 
-static inline void ath11k_pci_select_static_window(struct ath11k_pci *ab_pci)
-{
-	u32 umac_window;
-	u32 ce_window;
-	u32 window;
-
-	umac_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_SEQ_WCSS_UMAC_OFFSET);
-	ce_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_CE_WFSS_CE_REG_BASE);
-	window = (umac_window << 12) | (ce_window << 6);
-
-	iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
-		  ab_pci->ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
-}
-
 static void ath11k_pci_soc_global_reset(struct ath11k_base *ab)
 {
 	u32 val, delay;
@@ -644,7 +619,7 @@ static int ath11k_pci_power_up(struct at
 	}
 
 	if (ab->hw_params.static_window_map)
-		ath11k_pci_select_static_window(ab_pci);
+		ath11k_pcic_config_static_window(ab);
 
 	return 0;
 }
--- a/drivers/net/wireless/ath/ath11k/pcic.c
+++ b/drivers/net/wireless/ath/ath11k/pcic.c
@@ -7,6 +7,10 @@
 #include "core.h"
 #include "pcic.h"
 #include "debug.h"
+#include "pci.h"
+#include <linux/msi.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
 
 static const char *irq_name[ATH11K_IRQ_NUM_MAX] = {
 	"bhi",
@@ -126,6 +130,15 @@ static const struct ath11k_msi_config at
 		},
 		.hw_rev = ATH11K_HW_QCA2066_HW21,
 	},
+	{
+		.total_vectors = 13,
+		.total_users = 2,
+		.users = (struct ath11k_msi_user[]) {
+			{ .name = "CE", .num_vectors = 5, .base_vector = 0 },
+			{ .name = "DP", .num_vectors = 8, .base_vector = 5 },
+		},
+		.hw_rev = ATH11K_HW_QCN6122_HW10,
+	},
 };
 
 int ath11k_pcic_init_msi_config(struct ath11k_base *ab)
@@ -335,6 +348,15 @@ void ath11k_pcic_free_irq(struct ath11k_
 }
 EXPORT_SYMBOL(ath11k_pcic_free_irq);
 
+void ath11k_pcic_ipci_free_irq(struct ath11k_base *ab)
+{
+	struct platform_device *pdev = ab->pdev;
+
+	ath11k_pcic_free_irq(ab);
+	platform_msi_domain_free_irqs(&pdev->dev);
+}
+EXPORT_SYMBOL(ath11k_pcic_ipci_free_irq);
+
 static void ath11k_pcic_ce_irq_enable(struct ath11k_base *ab, u16 ce_id)
 {
 	u32 irq_idx;
@@ -808,7 +830,7 @@ int ath11k_pcic_register_pci_ops(struct
 		return 0;
 
 	/* Return error if mandatory pci_ops callbacks are missing */
-	if (!pci_ops->get_msi_irq || !pci_ops->window_write32 ||
+	if (!pci_ops->window_write32 ||
 	    !pci_ops->window_read32)
 		return -EINVAL;
 
@@ -850,3 +872,251 @@ void ath11k_pci_disable_ce_irqs_except_w
 	}
 }
 EXPORT_SYMBOL(ath11k_pci_disable_ce_irqs_except_wake_irq);
+
+void ath11k_pcic_select_static_window(struct ath11k_base *ab)
+{
+	u32 umac_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_SEQ_WCSS_UMAC_OFFSET);
+	u32 ce_window = FIELD_GET(ATH11K_PCI_WINDOW_VALUE_MASK, HAL_CE_WFSS_CE_REG_BASE);
+	u32 window;
+
+	window = (umac_window << 12) | (ce_window << 6);
+
+	iowrite32(ATH11K_PCI_WINDOW_ENABLE_BIT | window,
+		  ab->mem + ATH11K_PCI_WINDOW_REG_ADDRESS);
+}
+
+void ath11k_pcic_config_static_window(struct ath11k_base *ab)
+{
+	if (ab->hw_params.static_window_map)
+		ath11k_pcic_select_static_window(ab);
+}
+EXPORT_SYMBOL(ath11k_pcic_config_static_window);
+
+int ath11k_pcic_ext_config_gic_msi_irq(struct ath11k_base *ab, struct platform_device *pdev,
+				      struct msi_desc *msi_desc, int i)
+{
+	u32 user_base_data = 0, base_vector = 0, base_idx;
+	struct ath11k_ext_irq_grp *irq_grp;
+	int j, ret = 0, num_vectors = 0;
+	u32 num_irq = 0;
+
+	base_idx = ATH11K_PCI_IRQ_CE0_OFFSET + CE_COUNT_MAX;
+	ret = ath11k_pcic_get_user_msi_assignment(ab, "DP", &num_vectors,
+						 &user_base_data, &base_vector);
+	if (ret < 0)
+		return ret;
+
+	irq_grp = &ab->ext_irq_grp[i];
+	irq_grp->ab = ab;
+	irq_grp->grp_id = i;
+	init_dummy_netdev(&irq_grp->napi_ndev);
+	netif_napi_add(&irq_grp->napi_ndev, &irq_grp->napi,
+		       ath11k_pcic_ext_grp_napi_poll);
+
+	if (ab->hw_params.ring_mask->tx[i] ||
+	    ab->hw_params.ring_mask->rx[i] ||
+	    ab->hw_params.ring_mask->rx_err[i] ||
+	    ab->hw_params.ring_mask->rx_wbm_rel[i] ||
+	    ab->hw_params.ring_mask->reo_status[i] ||
+	    ab->hw_params.ring_mask->rxdma2host[i] ||
+	    ab->hw_params.ring_mask->host2rxdma[i] ||
+	    ab->hw_params.ring_mask->rx_mon_status[i]) {
+		num_irq = 1;
+	}
+
+	irq_grp->num_irq = num_irq;
+	irq_grp->irqs[0] = base_idx + i;
+
+	for (j = 0; j < irq_grp->num_irq; j++) {
+		int irq_idx = irq_grp->irqs[j];
+		int vector = (i % num_vectors);
+
+		irq_set_status_flags(msi_desc->irq, IRQ_DISABLE_UNLAZY);
+		ret = devm_request_irq(&pdev->dev, msi_desc->irq,
+				       ath11k_pcic_ext_interrupt_handler,
+				       IRQF_SHARED, "irq",
+				       irq_grp);
+		if (ret) {
+			ath11k_err(ab, "failed request irq %d: %d\n",
+				   irq_idx, ret);
+			return ret;
+		}
+		ab->irq_num[irq_idx] = msi_desc->irq;
+		ab->ipci.dp_irq_num[vector] = msi_desc->irq;
+		ab->ipci.dp_msi_data[i] = msi_desc->msg.data;
+		disable_irq_nosync(ab->irq_num[irq_idx]);
+	}
+	return ret;
+}
+
+int ath11k_pcic_config_gic_msi_irq(struct ath11k_base *ab, struct platform_device *pdev,
+				  struct msi_desc *msi_desc, int i)
+{
+	struct ath11k_ce_pipe *ce_pipe = &ab->ce.ce_pipe[i];
+	int irq_idx, ret;
+
+	tasklet_setup(&ce_pipe->intr_tq, ath11k_pcic_ce_tasklet);
+	irq_idx = ATH11K_PCI_IRQ_CE0_OFFSET + i;
+
+	ret = devm_request_irq(&pdev->dev, msi_desc->irq,
+			       ath11k_pcic_ce_interrupt_handler,
+			       IRQF_SHARED, "ce",
+			       ce_pipe);
+	if (ret) {
+		ath11k_warn(ab, "failed to request irq %d: %d\n",
+			    irq_idx, ret);
+		return ret;
+	}
+	ab->irq_num[irq_idx] = msi_desc->irq;
+	ab->ipci.ce_msi_data[i] = msi_desc->msg.data;
+	ath11k_pcic_ce_irq_disable(ab, i);
+
+	return ret;
+}
+
+static void ath11k_msi_msg_handler(struct msi_desc *desc, struct msi_msg *msg)
+{
+	desc->msg.address_lo = msg->address_lo;
+	desc->msg.address_hi = msg->address_hi;
+	desc->msg.data = msg->data;
+}
+
+int ath11k_pcic_ipci_config_irq(struct ath11k_base *ab)
+{
+	int ret;
+	struct platform_device *pdev = ab->pdev;
+	struct msi_desc *msi_desc;
+	bool ce_done = false;
+	int i = 0;
+
+	ret = ath11k_pcic_init_msi_config(ab);
+	if (ret) {
+		ath11k_err(ab, "failed to fetch msi config: %d\n", ret);
+		return ret;
+	}
+
+	ret = platform_msi_domain_alloc_irqs(&pdev->dev, ab->pci.msi.config->total_vectors,
+					     ath11k_msi_msg_handler);
+	if (ret) {
+		ath11k_warn(ab, "failed to alloc irqs %d ab %pM\n", ret, ab);
+		return ret;
+	}
+
+	msi_for_each_desc(msi_desc, &pdev->dev, MSI_DESC_ALL) {
+		if (!ce_done && i == ab->hw_params.ce_count) {
+			i = 0;
+			ce_done = true;
+		}
+
+		if (!ce_done && i < ab->hw_params.ce_count) {
+			if (ath11k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR)
+				i++;
+
+			ret = ath11k_pcic_config_gic_msi_irq(ab, pdev, msi_desc, i);
+			if (ret) {
+				ath11k_warn(ab, "failed to request irq %d\n", ret);
+				return ret;
+			}
+		} else {
+			ret = ath11k_pcic_ext_config_gic_msi_irq(ab, pdev, msi_desc, i);
+			if (ret) {
+				ath11k_warn(ab, "failed to config ext msi irq %d\n", ret);
+				return ret;
+			}
+		}
+
+		i++;
+		ab->pci.msi.addr_lo = msi_desc->msg.address_lo;
+		ab->pci.msi.addr_hi = msi_desc->msg.address_hi;
+
+		if (i == 0 && !ce_done)
+			ab->pci.msi.ep_base_data = msi_desc->msg.data;
+	}
+
+	msi_for_each_desc(msi_desc, &pdev->dev, MSI_DESC_ALL) {
+		u32 user_base_data = 0, base_vector = 0;
+		int vector, num_vectors = 0;
+
+		ret = ath11k_pcic_get_user_msi_assignment(ab, "DP", &num_vectors,
+							 &user_base_data, &base_vector);
+		if (ret < 0)
+			return ret;
+
+		vector = (i % num_vectors);
+
+		if (i >= ATH11K_EXT_IRQ_GRP_NUM_MAX)
+			break;
+
+		if (ab->ipci.dp_irq_num[vector] != msi_desc->irq)
+			continue;
+
+		ret = ath11k_pcic_ext_config_gic_msi_irq(ab, pdev, msi_desc, i);
+		if (ret) {
+			ath11k_warn(ab, "failed to config ext msi irq %d\n", ret);
+			return ret;
+		}
+
+		i++;
+	}
+
+	ab->ipci.gic_enabled = 1;
+	wake_up(&ab->ipci.gic_msi_waitq);
+	return ret;
+}
+EXPORT_SYMBOL(ath11k_pcic_ipci_config_irq);
+
+u32 ath11k_pcic_get_window_start(struct ath11k_base *ab, u32 offset,
+				 enum ath11k_bus bus)
+{
+	u32 window_start = 0;
+
+	if (bus == ATH11K_BUS_PCI) {
+        	if (!ab->hw_params.static_window_map)
+        		return ATH11K_PCI_WINDOW_START;
+
+		/* if offset lies within DP register range, use 3rd window */
+		if ((offset ^ HAL_SEQ_WCSS_UMAC_OFFSET) <
+		    ATH11K_PCI_WINDOW_RANGE_MASK)
+			window_start = 3 * ATH11K_PCI_WINDOW_START;
+		/* if offset lies within CE register range, use 2nd window */
+		else if ((offset ^ HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab)) <
+			 ATH11K_PCI_WINDOW_RANGE_MASK)
+			window_start = 2 * ATH11K_PCI_WINDOW_START;
+		else
+			window_start = ATH11K_PCI_WINDOW_START;
+	} else if (bus == ATH11K_BUS_AHB) {
+		/* If offset lies within DP register range, use 1st window */
+		if ((offset ^ HAL_SEQ_WCSS_UMAC_OFFSET) <
+		    ATH11K_PCI_WINDOW_RANGE_MASK)
+			window_start = ((ab->hw_params.dp_window) ? ab->hw_params.dp_window : 1)
+					* ATH11K_PCI_WINDOW_START;
+		/* If offset lies within CE register range, use 2nd window */
+		else if ((offset ^ HAL_SEQ_WCSS_UMAC_CE0_SRC_REG(ab)) <
+			 ATH11K_PCI_WINDOW_RANGE_MASK)
+			window_start = 2 * ATH11K_PCI_WINDOW_START;
+		else
+			window_start = ATH11K_PCI_WINDOW_START;
+	}
+	else {
+		/* Must not come here */
+		WARN_ON(1);
+	}
+
+	return window_start;
+}
+EXPORT_SYMBOL(ath11k_pcic_get_window_start);
+
+u32 ath11k_pci_get_window_offset(struct ath11k_base *ab, u32 offset)
+{
+	u32 window_start;
+
+	if (ab->hw_params.static_window_map) {
+		window_start = ath11k_pcic_get_window_start(ab, offset,
+			       ATH11K_BUS_PCI);
+
+		if (window_start)
+			offset = window_start + (offset & ATH11K_PCI_WINDOW_RANGE_MASK);
+	}
+	return offset;
+}
+EXPORT_SYMBOL(ath11k_pci_get_window_offset);
--- a/drivers/net/wireless/ath/ath11k/pcic.h
+++ b/drivers/net/wireless/ath/ath11k/pcic.h
@@ -51,4 +51,12 @@ int ath11k_pcic_read(struct ath11k_base
 void ath11k_pci_enable_ce_irqs_except_wake_irq(struct ath11k_base *ab);
 void ath11k_pci_disable_ce_irqs_except_wake_irq(struct ath11k_base *ab);
 
+void ath11k_pcic_select_static_window(struct ath11k_base *ab);
+void ath11k_pcic_ipci_free_irq(struct ath11k_base *ab);
+int ath11k_pcic_ipci_config_irq(struct ath11k_base *ab);
+void ath11k_pcic_config_static_window(struct ath11k_base *ab);
+u32 ath11k_pcic_get_window_start(struct ath11k_base *ab, u32 offset,
+				 enum ath11k_bus bus);
+u32 ath11k_pci_get_window_offset(struct ath11k_base *ab, u32 offset);
+
 #endif
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -871,6 +871,7 @@ static struct ath11k_hw_params ath11k_hw
 		.support_off_channel_tx = false,
 		.tcl_ring_retry = true,
 		.tx_ring_size = DP_TCL_DATA_RING_SIZE,
+		.dp_window = 3,
 	},
 };
 
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -232,6 +232,7 @@ struct ath11k_hw_params {
 	bool smp2p_wow_exit;
 	bool support_fw_mac_sequence;
 	bool support_dual_stations;
+	u8 dp_window;
 };
 
 struct ath11k_hw_ops {