summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml52
-rw-r--r--Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml51
-rw-r--r--MAINTAINERS1
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7986a.dtsi65
-rw-r--r--drivers/net/ethernet/mediatek/Makefile2
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed.c619
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed.h21
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed_debugfs.c87
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed_mcu.c387
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed_regs.h129
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed_wo.c508
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed_wo.h282
-rw-r--r--include/linux/soc/mediatek/mtk_wed.h106
13 files changed, 2256 insertions, 54 deletions
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
index 84fb0a146b6e..5c223cb063d4 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -29,6 +29,38 @@ properties:
interrupts:
maxItems: 1
+ memory-region:
+ items:
+ - description: firmware EMI region
+ - description: firmware ILM region
+ - description: firmware DLM region
+ - description: firmware CPU DATA region
+ - description: firmware BOOT region
+
+ memory-region-names:
+ items:
+ - const: wo-emi
+ - const: wo-ilm
+ - const: wo-dlm
+ - const: wo-data
+ - const: wo-boot
+
+ mediatek,wo-ccif:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: mediatek wed-wo controller interface.
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt7622-wed
+ then:
+ properties:
+ memory-region-names: false
+ memory-region: false
+ mediatek,wo-ccif: false
+
required:
- compatible
- reg
@@ -49,3 +81,23 @@ examples:
interrupts = <GIC_SPI 214 IRQ_TYPE_LEVEL_LOW>;
};
};
+
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ wed@15010000 {
+ compatible = "mediatek,mt7986-wed", "syscon";
+ reg = <0 0x15010000 0 0x1000>;
+ interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+
+ memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
+ <&wo_data>, <&wo_boot>;
+ memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+ "wo-data", "wo-boot";
+ mediatek,wo-ccif = <&wo_ccif0>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml
new file mode 100644
index 000000000000..8e6ba2ec8a43
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-ccif.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-ccif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Wireless Ethernet Dispatch (WED) WO controller interface for MT7986
+
+maintainers:
+ - Lorenzo Bianconi <lorenzo@kernel.org>
+ - Felix Fietkau <nbd@nbd.name>
+
+description:
+ The MediaTek wo-ccif provides a configuration interface for WED WO
+ controller used to perfrom offload rx packet processing (e.g. 802.11
+ aggregation packet reordering or rx header translation) on MT7986 soc.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt7986-wo-ccif
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ syscon@151a5000 {
+ compatible = "mediatek,mt7986-wo-ccif", "syscon";
+ reg = <0 0x151a5000 0 0x1000>;
+ interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 6aea837ff9d4..14ee1c72d01a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12926,6 +12926,7 @@ M: Felix Fietkau <nbd@nbd.name>
M: John Crispin <john@phrozen.org>
M: Sean Wang <sean.wang@mediatek.com>
M: Mark Lee <Mark-MC.Lee@mediatek.com>
+M: Lorenzo Bianconi <lorenzo@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/mediatek/
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 72e0d9722e07..07dee1c0d281 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -76,6 +76,47 @@
no-map;
reg = <0 0x4fc00000 0 0x00100000>;
};
+
+ wo_emi0: wo-emi@4fd00000 {
+ reg = <0 0x4fd00000 0 0x40000>;
+ no-map;
+ };
+
+ wo_emi1: wo-emi@4fd40000 {
+ reg = <0 0x4fd40000 0 0x40000>;
+ no-map;
+ };
+
+ wo_ilm0: wo-ilm@151e0000 {
+ reg = <0 0x151e0000 0 0x8000>;
+ no-map;
+ };
+
+ wo_ilm1: wo-ilm@151f0000 {
+ reg = <0 0x151f0000 0 0x8000>;
+ no-map;
+ };
+
+ wo_data: wo-data@4fd80000 {
+ reg = <0 0x4fd80000 0 0x240000>;
+ no-map;
+ };
+
+ wo_dlm0: wo-dlm@151e8000 {
+ reg = <0 0x151e8000 0 0x2000>;
+ no-map;
+ };
+
+ wo_dlm1: wo-dlm@151f8000 {
+ reg = <0 0x151f8000 0 0x2000>;
+ no-map;
+ };
+
+ wo_boot: wo-boot@15194000 {
+ reg = <0 0x15194000 0 0x1000>;
+ no-map;
+ };
+
};
timer {
@@ -240,6 +281,11 @@
reg = <0 0x15010000 0 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
+ memory-region = <&wo_emi0>, <&wo_ilm0>, <&wo_dlm0>,
+ <&wo_data>, <&wo_boot>;
+ memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+ "wo-data", "wo-boot";
+ mediatek,wo-ccif = <&wo_ccif0>;
};
wed1: wed@15011000 {
@@ -248,6 +294,25 @@
reg = <0 0x15011000 0 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>;
+ memory-region = <&wo_emi1>, <&wo_ilm1>, <&wo_dlm1>,
+ <&wo_data>, <&wo_boot>;
+ memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
+ "wo-data", "wo-boot";
+ mediatek,wo-ccif = <&wo_ccif1>;
+ };
+
+ wo_ccif0: syscon@151a5000 {
+ compatible = "mediatek,mt7986-wo-ccif", "syscon";
+ reg = <0 0x151a5000 0 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ wo_ccif1: syscon@151ad000 {
+ compatible = "mediatek,mt7986-wo-ccif", "syscon";
+ reg = <0 0x151ad000 0 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
};
eth: ethernet@15100000 {
diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile
index 45ba0970504a..8e0c61c33ff8 100644
--- a/drivers/net/ethernet/mediatek/Makefile
+++ b/drivers/net/ethernet/mediatek/Makefile
@@ -5,7 +5,7 @@
obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o
mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o
-mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed.o
+mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed.o mtk_wed_mcu.o mtk_wed_wo.o
ifdef CONFIG_DEBUG_FS
mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed_debugfs.o
endif
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 65e01bf4b4d2..7d8842378c2b 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -9,6 +9,7 @@
#include <linux/skbuff.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
#include <linux/mfd/syscon.h>
#include <linux/debugfs.h>
#include <linux/soc/mediatek/mtk_wed.h>
@@ -16,12 +17,14 @@
#include "mtk_wed_regs.h"
#include "mtk_wed.h"
#include "mtk_ppe.h"
+#include "mtk_wed_wo.h"
#define MTK_PCIE_BASE(n) (0x1a143000 + (n) * 0x2000)
#define MTK_WED_PKT_SIZE 1900
#define MTK_WED_BUF_SIZE 2048
#define MTK_WED_BUF_PER_PAGE (PAGE_SIZE / 2048)
+#define MTK_WED_RX_RING_SIZE 1536
#define MTK_WED_TX_RING_SIZE 2048
#define MTK_WED_WDMA_RING_SIZE 1024
@@ -30,6 +33,10 @@
#define MTK_WED_PER_GROUP_PKT 128
#define MTK_WED_FBUF_SIZE 128
+#define MTK_WED_MIOD_CNT 16
+#define MTK_WED_FB_CMD_CNT 1024
+#define MTK_WED_RRO_QUE_CNT 8192
+#define MTK_WED_MIOD_ENTRY_CNT 128
static struct mtk_wed_hw *hw_list[2];
static DEFINE_MUTEX(hw_lock);
@@ -64,12 +71,76 @@ wdma_set(struct mtk_wed_device *dev, u32 reg, u32 mask)
wdma_m32(dev, reg, 0, mask);
}
+static void
+wdma_clr(struct mtk_wed_device *dev, u32 reg, u32 mask)
+{
+ wdma_m32(dev, reg, mask, 0);
+}
+
+static u32
+wifi_r32(struct mtk_wed_device *dev, u32 reg)
+{
+ return readl(dev->wlan.base + reg);
+}
+
+static void
+wifi_w32(struct mtk_wed_device *dev, u32 reg, u32 val)
+{
+ writel(val, dev->wlan.base + reg);
+}
+
static u32
mtk_wed_read_reset(struct mtk_wed_device *dev)
{
return wed_r32(dev, MTK_WED_RESET);
}
+static u32
+mtk_wdma_read_reset(struct mtk_wed_device *dev)
+{
+ return wdma_r32(dev, MTK_WDMA_GLO_CFG);
+}
+
+static void
+mtk_wdma_rx_reset(struct mtk_wed_device *dev)
+{
+ u32 status, mask = MTK_WDMA_GLO_CFG_RX_DMA_BUSY;
+ int i;
+
+ wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_DMA_EN);
+ if (readx_poll_timeout(mtk_wdma_read_reset, dev, status,
+ !(status & mask), 0, 1000))
+ dev_err(dev->hw->dev, "rx reset failed\n");
+
+ for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) {
+ if (dev->rx_wdma[i].desc)
+ continue;
+
+ wdma_w32(dev,
+ MTK_WDMA_RING_RX(i) + MTK_WED_RING_OFS_CPU_IDX, 0);
+ }
+}
+
+static void
+mtk_wdma_tx_reset(struct mtk_wed_device *dev)
+{
+ u32 status, mask = MTK_WDMA_GLO_CFG_TX_DMA_BUSY;
+ int i;
+
+ wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN);
+ if (readx_poll_timeout(mtk_wdma_read_reset, dev, status,
+ !(status & mask), 0, 1000))
+ dev_err(dev->hw->dev, "tx reset failed\n");
+
+ for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++) {
+ if (dev->tx_wdma[i].desc)
+ continue;
+
+ wdma_w32(dev,
+ MTK_WDMA_RING_TX(i) + MTK_WED_RING_OFS_CPU_IDX, 0);
+ }
+}
+
static void
mtk_wed_reset(struct mtk_wed_device *dev, u32 mask)
{
@@ -81,6 +152,54 @@ mtk_wed_reset(struct mtk_wed_device *dev, u32 mask)
WARN_ON_ONCE(1);
}
+static u32
+mtk_wed_wo_read_status(struct mtk_wed_device *dev)
+{
+ return wed_r32(dev, MTK_WED_SCR0 + 4 * MTK_WED_DUMMY_CR_WO_STATUS);
+}
+
+static void
+mtk_wed_wo_reset(struct mtk_wed_device *dev)
+{
+ struct mtk_wed_wo *wo = dev->hw->wed_wo;
+ u8 state = MTK_WED_WO_STATE_DISABLE;
+ void __iomem *reg;
+ u32 val;
+
+ mtk_wdma_tx_reset(dev);
+ mtk_wed_reset(dev, MTK_WED_RESET_WED);
+
+ mtk_wed_mcu_send_msg(wo, MTK_WED_MODULE_ID_WO,
+ MTK_WED_WO_CMD_CHANGE_STATE, &state,
+ sizeof(state), false);
+
+ if (readx_poll_timeout(mtk_wed_wo_read_status, dev, val,
+ val == MTK_WED_WOIF_DISABLE_DONE,
+ 100, MTK_WOCPU_TIMEOUT))
+ dev_err(dev->hw->dev, "failed to disable wed-wo\n");
+
+ reg = ioremap(MTK_WED_WO_CPU_MCUSYS_RESET_ADDR, 4);
+
+ val = readl(reg);
+ switch (dev->hw->index) {
+ case 0:
+ val |= MTK_WED_WO_CPU_WO0_MCUSYS_RESET_MASK;
+ writel(val, reg);
+ val &= ~MTK_WED_WO_CPU_WO0_MCUSYS_RESET_MASK;
+ writel(val, reg);
+ break;
+ case 1:
+ val |= MTK_WED_WO_CPU_WO1_MCUSYS_RESET_MASK;
+ writel(val, reg);
+ val &= ~MTK_WED_WO_CPU_WO1_MCUSYS_RESET_MASK;
+ writel(val, reg);
+ break;
+ default:
+ break;
+ }
+ iounmap(reg);
+}
+
static struct mtk_wed_hw *
mtk_wed_assign(struct mtk_wed_device *dev)
{
@@ -115,7 +234,7 @@ out:
}
static int
-mtk_wed_buffer_alloc(struct mtk_wed_device *dev)
+mtk_wed_tx_buffer_alloc(struct mtk_wed_device *dev)
{
struct mtk_wdma_desc *desc;
dma_addr_t desc_phys;
@@ -132,16 +251,16 @@ mtk_wed_buffer_alloc(struct mtk_wed_device *dev)
if (!page_list)
return -ENOMEM;
- dev->buf_ring.size = ring_size;
- dev->buf_ring.pages = page_list;
+ dev->tx_buf_ring.size = ring_size;
+ dev->tx_buf_ring.pages = page_list;
desc = dma_alloc_coherent(dev->hw->dev, ring_size * sizeof(*desc),
&desc_phys, GFP_KERNEL);
if (!desc)
return -ENOMEM;
- dev->buf_ring.desc = desc;
- dev->buf_ring.desc_phys = desc_phys;
+ dev->tx_buf_ring.desc = desc;
+ dev->tx_buf_ring.desc_phys = desc_phys;
for (i = 0, page_idx = 0; i < ring_size; i += MTK_WED_BUF_PER_PAGE) {
dma_addr_t page_phys, buf_phys;
@@ -202,10 +321,10 @@ mtk_wed_buffer_alloc(struct mtk_wed_device *dev)
}
static void
-mtk_wed_free_buffer(struct mtk_wed_device *dev)
+mtk_wed_free_tx_buffer(struct mtk_wed_device *dev)
{
- struct mtk_wdma_desc *desc = dev->buf_ring.desc;
- void **page_list = dev->buf_ring.pages;
+ struct mtk_wdma_desc *desc = dev->tx_buf_ring.desc;
+ void **page_list = dev->tx_buf_ring.pages;
int page_idx;
int i;
@@ -215,7 +334,8 @@ mtk_wed_free_buffer(struct mtk_wed_device *dev)
if (!desc)
goto free_pagelist;
- for (i = 0, page_idx = 0; i < dev->buf_ring.size; i += MTK_WED_BUF_PER_PAGE) {
+ for (i = 0, page_idx = 0; i < dev->tx_buf_ring.size;
+ i += MTK_WED_BUF_PER_PAGE) {
void *page = page_list[page_idx++];
dma_addr_t buf_addr;
@@ -228,13 +348,59 @@ mtk_wed_free_buffer(struct mtk_wed_device *dev)
__free_page(page);
}
- dma_free_coherent(dev->hw->dev, dev->buf_ring.size * sizeof(*desc),
- desc, dev->buf_ring.desc_phys);
+ dma_free_coherent(dev->hw->dev, dev->tx_buf_ring.size * sizeof(*desc),
+ desc, dev->tx_buf_ring.desc_phys);
free_pagelist:
kfree(page_list);
}
+static int
+mtk_wed_rx_buffer_alloc(struct mtk_wed_device *dev)
+{
+ struct mtk_rxbm_desc *desc;
+ dma_addr_t desc_phys;
+
+ dev->rx_buf_ring.size = dev->wlan.rx_nbuf;
+ desc = dma_alloc_coherent(dev->hw->dev,
+ dev->wlan.rx_nbuf * sizeof(*desc),
+ &desc_phys, GFP_KERNEL);
+ if (!desc)
+ return -ENOMEM;
+
+ dev->rx_buf_ring.desc = desc;
+ dev->rx_buf_ring.desc_phys = desc_phys;
+ dev->wlan.init_rx_buf(dev, dev->wlan.rx_npkt);
+
+ return 0;
+}
+
+static void
+mtk_wed_free_rx_buffer(struct mtk_wed_device *dev)
+{
+ struct mtk_rxbm_desc *desc = dev->rx_buf_ring.desc;
+
+ if (!desc)
+ return;
+
+ dev->wlan.release_rx_buf(dev);
+ dma_free_coherent(dev->hw->dev, dev->rx_buf_ring.size * sizeof(*desc),
+ desc, dev->rx_buf_ring.desc_phys);
+}
+
+static void
+mtk_wed_rx_buffer_hw_init(struct mtk_wed_device *dev)
+{
+ wed_w32(dev, MTK_WED_RX_BM_RX_DMAD,
+ FIELD_PREP(MTK_WED_RX_BM_RX_DMAD_SDL0, dev->wlan.rx_size));
+ wed_w32(dev, MTK_WED_RX_BM_BASE, dev->rx_buf_ring.desc_phys);
+ wed_w32(dev, MTK_WED_RX_BM_INIT_PTR, MTK_WED_RX_BM_INIT_SW_TAIL |
+ FIELD_PREP(MTK_WED_RX_BM_SW_TAIL, dev->wlan.rx_npkt));
+ wed_w32(dev, MTK_WED_RX_BM_DYN_ALLOC_TH,
+ FIELD_PREP(MTK_WED_RX_BM_DYN_ALLOC_TH_H, 0xffff));
+ wed_set(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_RX_BM_EN);
+}
+
static void
mtk_wed_free_ring(struct mtk_wed_device *dev, struct mtk_wed_ring *ring)
{
@@ -246,14 +412,21 @@ mtk_wed_free_ring(struct mtk_wed_device *dev, struct mtk_wed_ring *ring)
}
static void
+mtk_wed_free_rx_rings(struct mtk_wed_device *dev)
+{
+ mtk_wed_free_rx_buffer(dev);
+ mtk_wed_free_ring(dev, &dev->rro.ring);
+}
+
+static void
mtk_wed_free_tx_rings(struct mtk_wed_device *dev)
{
int i;
for (i = 0; i < ARRAY_SIZE(dev->tx_ring); i++)
mtk_wed_free_ring(dev, &dev->tx_ring[i]);
- for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++)
- mtk_wed_free_ring(dev, &dev->tx_wdma[i]);
+ for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++)
+ mtk_wed_free_ring(dev, &dev->rx_wdma[i]);
}
static void
@@ -290,6 +463,38 @@ mtk_wed_set_512_support(struct mtk_wed_device *dev, bool enable)
}
}
+#define MTK_WFMDA_RX_DMA_EN BIT(2)
+static void
+mtk_wed_check_wfdma_rx_fill(struct mtk_wed_device *dev, int idx)
+{
+ u32 val;
+ int i;
+
+ if (!(dev->rx_ring[idx].flags & MTK_WED_RING_CONFIGURED))
+ return; /* queue is not configured by mt76 */
+
+ for (i = 0; i < 3; i++) {
+ u32 cur_idx;
+
+ cur_idx = wed_r32(dev,
+ MTK_WED_WPDMA_RING_RX_DATA(idx) +
+ MTK_WED_RING_OFS_CPU_IDX);
+ if (cur_idx == MTK_WED_RX_RING_SIZE - 1)
+ break;
+
+ usleep_range(100000, 200000);
+ }
+
+ if (i == 3) {
+ dev_err(dev->hw->dev, "rx dma enable failed\n");
+ return;
+ }
+
+ val = wifi_r32(dev, dev->wlan.wpdma_rx_glo - dev->wlan.phy_base) |
+ MTK_WFMDA_RX_DMA_EN;
+ wifi_w32(dev, dev->wlan.wpdma_rx_glo - dev->wlan.phy_base, val);
+}
+
static void
mtk_wed_dma_disable(struct mtk_wed_device *dev)
{
@@ -303,20 +508,25 @@ mtk_wed_dma_disable(struct mtk_wed_device *dev)
MTK_WED_GLO_CFG_TX_DMA_EN |
MTK_WED_GLO_CFG_RX_DMA_EN);
- wdma_m32(dev, MTK_WDMA_GLO_CFG,
+ wdma_clr(dev, MTK_WDMA_GLO_CFG,
MTK_WDMA_GLO_CFG_TX_DMA_EN |
MTK_WDMA_GLO_CFG_RX_INFO1_PRERES |
- MTK_WDMA_GLO_CFG_RX_INFO2_PRERES, 0);
+ MTK_WDMA_GLO_CFG_RX_INFO2_PRERES);
if (dev->hw->version == 1) {
regmap_write(dev->hw->mirror, dev->hw->index * 4, 0);
- wdma_m32(dev, MTK_WDMA_GLO_CFG,
- MTK_WDMA_GLO_CFG_RX_INFO3_PRERES, 0);
+ wdma_clr(dev, MTK_WDMA_GLO_CFG,
+ MTK_WDMA_GLO_CFG_RX_INFO3_PRERES);
} else {
wed_clr(dev, MTK_WED_WPDMA_GLO_CFG,
MTK_WED_WPDMA_GLO_CFG_RX_DRV_R0_PKT_PROC |
MTK_WED_WPDMA_GLO_CFG_RX_DRV_R0_CRX_SYNC);
+ wed_clr(dev, MTK_WED_WPDMA_RX_D_GLO_CFG,
+ MTK_WED_WPDMA_RX_D_RX_DRV_EN);
+ wed_clr(dev, MTK_WED_WDMA_GLO_CFG,
+ MTK_WED_WDMA_GLO_CFG_TX_DDONE_CHK);
+
mtk_wed_set_512_support(dev, false);
}
}
@@ -337,6 +547,13 @@ mtk_wed_stop(struct mtk_wed_device *dev)
wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
wdma_w32(dev, MTK_WDMA_INT_GRP2, 0);
wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0);
+
+ if (dev->hw->version == 1)
+ return;
+
+ wed_w32(dev, MTK_WED_EXT_INT_MASK1, 0);
+ wed_w32(dev, MTK_WED_EXT_INT_MASK2, 0);
+ wed_clr(dev, MTK_WED_CTRL, MTK_WED_CTRL_WED_RX_BM_EN);
}
static void
@@ -352,10 +569,22 @@ mtk_wed_detach(struct mtk_wed_device *dev)
wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
mtk_wed_reset(dev, MTK_WED_RESET_WED);
+ if (mtk_wed_get_rx_capa(dev)) {
+ wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_TX_DMA_EN);
+ wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_TX);
+ wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+ }
- mtk_wed_free_buffer(dev);
+ mtk_wed_free_tx_buffer(dev);
mtk_wed_free_tx_rings(dev);
+ if (mtk_wed_get_rx_capa(dev)) {
+ mtk_wed_wo_reset(dev);
+ mtk_wed_free_rx_rings(dev);
+ mtk_wed_wo_deinit(hw);
+ mtk_wdma_rx_reset(dev);
+ }
+
if (dev->wlan.bus_type == MTK_WED_BUS_PCIE) {
struct device_node *wlan_node;
@@ -431,10 +660,12 @@ mtk_wed_set_wpdma(struct mtk_wed_device *dev)
} else {
mtk_wed_bus_init(dev);
- wed_w32(dev, MTK_WED_WPDMA_CFG_BASE, dev->wlan.wpdma_int);
- wed_w32(dev, MTK_WED_WPDMA_CFG_INT_MASK, dev->wlan.wpdma_mask);
- wed_w32(dev, MTK_WED_WPDMA_CFG_TX, dev->wlan.wpdma_tx);
- wed_w32(dev, MTK_WED_WPDMA_CFG_TX_FREE, dev->wlan.wpdma_txfree);
+ wed_w32(dev, MTK_WED_WPDMA_CFG_BASE, dev->wlan.wpdma_int);
+ wed_w32(dev, MTK_WED_WPDMA_CFG_INT_MASK, dev->wlan.wpdma_mask);
+ wed_w32(dev, MTK_WED_WPDMA_CFG_TX, dev->wlan.wpdma_tx);
+ wed_w32(dev, MTK_WED_WPDMA_CFG_TX_FREE, dev->wlan.wpdma_txfree);
+ wed_w32(dev, MTK_WED_WPDMA_RX_GLO_CFG, dev->wlan.wpdma_rx_glo);
+ wed_w32(dev, MTK_WED_WPDMA_RX_RING, dev->wlan.wpdma_rx);
}
}
@@ -484,6 +715,132 @@ mtk_wed_hw_init_early(struct mtk_wed_device *dev)
}
}
+static int
+mtk_wed_rro_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring,
+ int size)
+{
+ ring->desc = dma_alloc_coherent(dev->hw->dev,
+ size * sizeof(*ring->desc),
+ &ring->desc_phys, GFP_KERNEL);
+ if (!ring->desc)
+ return -ENOMEM;
+
+ ring->desc_size = sizeof(*ring->desc);
+ ring->size = size;
+ memset(ring->desc, 0, size);
+
+ return 0;
+}
+
+#define MTK_WED_MIOD_COUNT (MTK_WED_MIOD_ENTRY_CNT * MTK_WED_MIOD_CNT)
+static int
+mtk_wed_rro_alloc(struct mtk_wed_device *dev)
+{
+ struct reserved_mem *rmem;
+ struct device_node *np;
+ int index;
+
+ index = of_property_match_string(dev->hw->node, "memory-region-names",
+ "wo-dlm");
+ if (index < 0)
+ return index;
+
+ np = of_parse_phandle(dev->hw->node, "memory-region", index);
+ if (!np)
+ return -ENODEV;
+
+ rmem = of_reserved_mem_lookup(np);
+ of_node_put(np);
+
+ if (!rmem)
+ return -ENODEV;
+
+ dev->rro.miod_phys = rmem->base;
+ dev->rro.fdbk_phys = MTK_WED_MIOD_COUNT + dev->rro.miod_phys;
+
+ return mtk_wed_rro_ring_alloc(dev, &dev->rro.ring,
+ MTK_WED_RRO_QUE_CNT);
+}
+
+static int
+mtk_wed_rro_cfg(struct mtk_wed_device *dev)
+{
+ struct mtk_wed_wo *wo = dev->hw->wed_wo;
+ struct {
+ struct {
+ __le32 base;
+ __le32 cnt;
+ __le32 unit;
+ } ring[2];
+ __le32 wed;
+ u8 version;
+ } req = {
+ .ring[0] = {
+ .base = cpu_to_le32(MTK_WED_WOCPU_VIEW_MIOD_BASE),
+ .cnt = cpu_to_le32(MTK_WED_MIOD_CNT),
+ .unit = cpu_to_le32(MTK_WED_MIOD_ENTRY_CNT),
+ },
+ .ring[1] = {
+ .base = cpu_to_le32(MTK_WED_WOCPU_VIEW_MIOD_BASE +
+ MTK_WED_MIOD_COUNT),
+ .cnt = cpu_to_le32(MTK_WED_FB_CMD_CNT),
+ .unit = cpu_to_le32(4),
+ },
+ };
+
+ return mtk_wed_mcu_send_msg(wo, MTK_WED_MODULE_ID_WO,
+ MTK_WED_WO_CMD_WED_CFG,
+ &req, sizeof(req), true);
+}
+
+static void
+mtk_wed_rro_hw_init(struct mtk_wed_device *dev)
+{
+ wed_w32(dev, MTK_WED_RROQM_MIOD_CFG,
+ FIELD_PREP(MTK_WED_RROQM_MIOD_MID_DW, 0x70 >> 2) |
+ FIELD_PREP(MTK_WED_RROQM_MIOD_MOD_DW, 0x10 >> 2) |
+ FIELD_PREP(MTK_WED_RROQM_MIOD_ENTRY_DW,
+ MTK_WED_MIOD_ENTRY_CNT >> 2));
+
+ wed_w32(dev, MTK_WED_RROQM_MIOD_CTRL0, dev->rro.miod_phys);
+ wed_w32(dev, MTK_WED_RROQM_MIOD_CTRL1,
+ FIELD_PREP(MTK_WED_RROQM_MIOD_CNT, MTK_WED_MIOD_CNT));
+ wed_w32(dev, MTK_WED_RROQM_FDBK_CTRL0, dev->rro.fdbk_phys);
+ wed_w32(dev, MTK_WED_RROQM_FDBK_CTRL1,
+ FIELD_PREP(MTK_WED_RROQM_FDBK_CNT, MTK_WED_FB_CMD_CNT));
+ wed_w32(dev, MTK_WED_RROQM_FDBK_CTRL2, 0);
+ wed_w32(dev, MTK_WED_RROQ_BASE_L, dev->rro.ring.desc_phys);
+
+ wed_set(dev, MTK_WED_RROQM_RST_IDX,
+ MTK_WED_RROQM_RST_IDX_MIOD |
+ MTK_WED_RROQM_RST_IDX_FDBK);
+
+ wed_w32(dev, MTK_WED_RROQM_RST_IDX, 0);
+ wed_w32(dev, MTK_WED_RROQM_MIOD_CTRL2, MTK_WED_MIOD_CNT - 1);
+ wed_set(dev, MTK_WED_CTRL, MTK_WED_CTRL_RX_RRO_QM_EN);
+}
+
+static void
+mtk_wed_route_qm_hw_init(struct mtk_wed_device *dev)
+{
+ wed_w32(dev, MTK_WED_RESET, MTK_WED_RESET_RX_ROUTE_QM);
+
+ for (;;) {
+ usleep_range(100, 200);
+ if (!(wed_r32(dev, MTK_WED_RESET) & MTK_WED_RESET_RX_ROUTE_QM))
+ break;
+ }
+
+ /* configure RX_ROUTE_QM */
+ wed_clr(dev, MTK_WED_RTQM_GLO_CFG, MTK_WED_RTQM_Q_RST);
+ wed_clr(dev, MTK_WED_RTQM_GLO_CFG, MTK_WED_RTQM_TXDMAD_FPORT);
+ wed_set(dev, MTK_WED_RTQM_GLO_CFG,
+ FIELD_PREP(MTK_WED_RTQM_TXDMAD_FPORT, 0x3 + dev->hw->index));
+ wed_clr(dev, MTK_WED_RTQM_GLO_CFG, MTK_WED_RTQM_Q_RST);
+ /* enable RX_ROUTE_QM */
+ wed_set(dev, MTK_WED_CTRL, MTK_WED_CTRL_RX_ROUTE_QM_EN);
+}
+
static void
mtk_wed_hw_init(struct mtk_wed_device *dev)
{
@@ -495,11 +852,11 @@ mtk_wed_hw_init(struct mtk_wed_device *dev)
wed_w32(dev, MTK_WED_TX_BM_CTRL,
MTK_WED_TX_BM_CTRL_PAUSE |
FIELD_PREP(MTK_WED_TX_BM_CTRL_VLD_GRP_NUM,
- dev->buf_ring.size / 128) |
+ dev->tx_buf_ring.size / 128) |
FIELD_PREP(MTK_WED_TX_BM_CTRL_RSV_GRP_NUM,
MTK_WED_TX_RING_SIZE / 256));
- wed_w32(dev, MTK_WED_TX_BM_BASE, dev->buf_ring.desc_phys);
+ wed_w32(dev, MTK_WED_TX_BM_BASE, dev->tx_buf_ring.desc_phys);
wed_w32(dev, MTK_WED_TX_BM_BUF_LEN, MTK_WED_PKT_SIZE);
@@ -526,9 +883,9 @@ mtk_wed_hw_init(struct mtk_wed_device *dev)
wed_w32(dev, MTK_WED_TX_TKID_CTRL,
MTK_WED_TX_TKID_CTRL_PAUSE |
FIELD_PREP(MTK_WED_TX_TKID_CTRL_VLD_GRP_NUM,
- dev->buf_ring.size / 128) |
+ dev->tx_buf_ring.size / 128) |
FIELD_PREP(MTK_WED_TX_TKID_CTRL_RSV_GRP_NUM,
- dev->buf_ring.size / 128));
+ dev->tx_buf_ring.size / 128));
wed_w32(dev, MTK_WED_TX_TKID_DYN_THR,
FIELD_PREP(MTK_WED_TX_TKID_DYN_THR_LO, 0) |
MTK_WED_TX_TKID_DYN_THR_HI);
@@ -536,18 +893,28 @@ mtk_wed_hw_init(struct mtk_wed_device *dev)
mtk_wed_reset(dev, MTK_WED_RESET_TX_BM);
- if (dev->hw->version == 1)
+ if (dev->hw->version == 1) {
wed_set(dev, MTK_WED_CTRL,
MTK_WED_CTRL_WED_TX_BM_EN |
MTK_WED_CTRL_WED_TX_FREE_AGENT_EN);
- else
+ } else {
wed_clr(dev, MTK_WED_TX_TKID_CTRL, MTK_WED_TX_TKID_CTRL_PAUSE);
+ /* rx hw init */
+ wed_w32(dev, MTK_WED_WPDMA_RX_D_RST_IDX,
+ MTK_WED_WPDMA_RX_D_RST_CRX_IDX |
+ MTK_WED_WPDMA_RX_D_RST_DRV_IDX);
+ wed_w32(dev, MTK_WED_WPDMA_RX_D_RST_IDX, 0);
+
+ mtk_wed_rx_buffer_hw_init(dev);
+ mtk_wed_rro_hw_init(dev);
+ mtk_wed_route_qm_hw_init(dev);
+ }
wed_clr(dev, MTK_WED_TX_BM_CTRL, MTK_WED_TX_BM_CTRL_PAUSE);
}
static void
-mtk_wed_ring_reset(struct mtk_wed_ring *ring, int size)
+mtk_wed_ring_reset(struct mtk_wed_ring *ring, int size, bool tx)
{
void *head = (void *)ring->desc;
int i;
@@ -557,7 +924,10 @@ mtk_wed_ring_reset(struct mtk_wed_ring *ring, int size)
desc = (struct mtk_wdma_desc *)(head + i * ring->desc_size);
desc->buf0 = 0;
- desc->ctrl = cpu_to_le32(MTK_WDMA_DESC_CTRL_DMA_DONE);
+ if (tx)
+ desc->ctrl = cpu_to_le32(MTK_WDMA_DESC_CTRL_DMA_DONE);
+ else
+ desc->ctrl = cpu_to_le32(MTK_WFDMA_DESC_CTRL_TO_HOST);
desc->buf1 = 0;
desc->info = 0;
}
@@ -613,7 +983,8 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
if (!dev->tx_ring[i].desc)
continue;
- mtk_wed_ring_reset(&dev->tx_ring[i], MTK_WED_TX_RING_SIZE);
+ mtk_wed_ring_reset(&dev->tx_ring[i], MTK_WED_TX_RING_SIZE,
+ true);
}
if (mtk_wed_poll_busy(dev))
@@ -631,6 +1002,9 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX);
wdma_w32(dev, MTK_WDMA_RESET_IDX, 0);
+ if (mtk_wed_get_rx_capa(dev))
+ mtk_wdma_rx_reset(dev);
+
if (busy) {
mtk_wed_reset(dev, MTK_WED_RESET_WDMA_INT_AGENT);
mtk_wed_reset(dev, MTK_WED_RESET_WDMA_RX_DRV);
@@ -665,12 +1039,11 @@ mtk_wed_reset_dma(struct mtk_wed_device *dev)
MTK_WED_WPDMA_RESET_IDX_RX);
wed_w32(dev, MTK_WED_WPDMA_RESET_IDX, 0);
}
-
}
static int
mtk_wed_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring,
- int size, u32 desc_size)
+ int size, u32 desc_size, bool tx)
{
ring->desc = dma_alloc_coherent(dev->hw->dev, size * desc_size,
&ring->desc_phys, GFP_KERNEL);
@@ -679,18 +1052,23 @@ mtk_wed_ring_alloc(struct mtk_wed_device *dev, struct mtk_wed_ring *ring,
ring->desc_size = desc_size;
ring->size = size;
- mtk_wed_ring_reset(ring, size);
+ mtk_wed_ring_reset(ring, size, tx);
return 0;
}
static int
-mtk_wed_wdma_ring_setup(struct mtk_wed_device *dev, int idx, int size)
+mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
{
u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
- struct mtk_wed_ring *wdma = &dev->tx_wdma[idx];
+ struct mtk_wed_ring *wdma;
+
+ if (idx >= ARRAY_SIZE(dev->rx_wdma))
+ return -EINVAL;
- if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size))
+ wdma = &dev->rx_wdma[idx];
+ if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size,
+ true))
return -ENOMEM;
wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE,
@@ -707,6 +1085,60 @@ mtk_wed_wdma_ring_setup(struct mtk_wed_device *dev, int idx, int size)
return 0;
}
+static int
+mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size)
+{
+ u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
+ struct mtk_wed_ring *wdma;
+
+ if (idx >= ARRAY_SIZE(dev->tx_wdma))
+ return -EINVAL;
+
+ wdma = &dev->tx_wdma[idx];
+ if (mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE, desc_size,
+ true))
+ return -ENOMEM;
+
+ wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_BASE,
+ wdma->desc_phys);
+ wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_COUNT,
+ size);
+ wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_CPU_IDX, 0);
+ wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_DMA_IDX, 0);
+
+ if (!idx) {
+ wed_w32(dev, MTK_WED_WDMA_RING_TX + MTK_WED_RING_OFS_BASE,
+ wdma->desc_phys);
+ wed_w32(dev, MTK_WED_WDMA_RING_TX + MTK_WED_RING_OFS_COUNT,
+ size);
+ wed_w32(dev, MTK_WED_WDMA_RING_TX + MTK_WED_RING_OFS_CPU_IDX,
+ 0);
+ wed_w32(dev, MTK_WED_WDMA_RING_TX + MTK_WED_RING_OFS_DMA_IDX,
+ 0);
+ }
+
+ return 0;
+}
+
+static void
+mtk_wed_ppe_check(struct mtk_wed_device *dev, struct sk_buff *skb,
+ u32 reason, u32 hash)
+{
+ struct mtk_eth *eth = dev->hw->eth;
+ struct ethhdr *eh;
+
+ if (!skb)
+ return;
+
+ if (reason != MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED)
+ return;
+
+ skb_set_mac_header(skb, 0);
+ eh = eth_hdr(skb);
+ skb->protocol = eh->h_proto;
+ mtk_ppe_check_skb(eth->ppe[dev->hw->index], skb, hash);
+}
+
static void
mtk_wed_configure_irq(struct mtk_wed_device *dev, u32 irq_mask)
{
@@ -729,6 +1161,8 @@ mtk_wed_configure_irq(struct mtk_wed_device *dev, u32 irq_mask)
wed_clr(dev, MTK_WED_WDMA_INT_CTRL, wdma_mask);
} else {
+ wdma_mask |= FIELD_PREP(MTK_WDMA_INT_MASK_TX_DONE,
+ GENMASK(1, 0));
/* initail tx interrupt trigger */
wed_w32(dev, MTK_WED_WPDMA_INT_CTRL_TX,
MTK_WED_WPDMA_INT_CTRL_TX0_DONE_EN |
@@ -747,6 +1181,16 @@ mtk_wed_configure_irq(struct mtk_wed_device *dev, u32 irq_mask)
FIELD_PREP(MTK_WED_WPDMA_INT_CTRL_TX_FREE_DONE_TRIG,
dev->wlan.txfree_tbit));
+ wed_w32(dev, MTK_WED_WPDMA_INT_CTRL_RX,
+ MTK_WED_WPDMA_INT_CTRL_RX0_EN |
+ MTK_WED_WPDMA_INT_CTRL_RX0_CLR |
+ MTK_WED_WPDMA_INT_CTRL_RX1_EN |
+ MTK_WED_WPDMA_INT_CTRL_RX1_CLR |
+ FIELD_PREP(MTK_WED_WPDMA_INT_CTRL_RX0_DONE_TRIG,
+ dev->wlan.rx_tbit[0]) |
+ FIELD_PREP(MTK_WED_WPDMA_INT_CTRL_RX1_DONE_TRIG,
+ dev->wlan.rx_tbit[1]));
+
wed_w32(dev, MTK_WED_WDMA_INT_CLR, wdma_mask);
wed_set(dev, MTK_WED_WDMA_INT_CTRL,
FIELD_PREP(MTK_WED_WDMA_INT_CTRL_POLL_SRC_SEL,
@@ -784,9 +1228,15 @@ mtk_wed_dma_enable(struct mtk_wed_device *dev)
wdma_set(dev, MTK_WDMA_GLO_CFG,
MTK_WDMA_GLO_CFG_RX_INFO3_PRERES);
} else {
+ int i;
+
wed_set(dev, MTK_WED_WPDMA_CTRL,
MTK_WED_WPDMA_CTRL_SDL1_FIXED);
+ wed_set(dev, MTK_WED_WDMA_GLO_CFG,
+ MTK_WED_WDMA_GLO_CFG_TX_DRV_EN |
+ MTK_WED_WDMA_GLO_CFG_TX_DDONE_CHK);
+
wed_set(dev, MTK_WED_WPDMA_GLO_CFG,
MTK_WED_WPDMA_GLO_CFG_RX_DRV_R0_PKT_PROC |
MTK_WED_WPDMA_GLO_CFG_RX_DRV_R0_CRX_SYNC);
@@ -794,6 +1244,15 @@ mtk_wed_dma_enable(struct mtk_wed_device *dev)
wed_clr(dev, MTK_WED_WPDMA_GLO_CFG,
MTK_WED_WPDMA_GLO_CFG_TX_TKID_KEEP |
MTK_WED_WPDMA_GLO_CFG_TX_DMAD_DW3_PREV);
+
+ wed_set(dev, MTK_WED_WPDMA_RX_D_GLO_CFG,
+ MTK_WED_WPDMA_RX_D_RX_DRV_EN |
+ FIELD_PREP(MTK_WED_WPDMA_RX_D_RXD_READ_LEN, 0x18) |
+ FIELD_PREP(MTK_WED_WPDMA_RX_D_INIT_PHASE_RXEN_SEL,
+ 0x2));
+
+ for (i = 0; i < MTK_WED_RX_QUEUES; i++)
+ mtk_wed_check_wfdma_rx_fill(dev, i);
}
}
@@ -802,9 +1261,9 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
{
int i;
- for (i = 0; i < ARRAY_SIZE(dev->tx_wdma); i++)
- if (!dev->tx_wdma[i].desc)
- mtk_wed_wdma_ring_setup(dev, i, 16);
+ for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++)
+ if (!dev->rx_wdma[i].desc)
+ mtk_wed_wdma_rx_ring_setup(dev, i, 16);
mtk_wed_hw_init(dev);
mtk_wed_configure_irq(dev, irq_mask);
@@ -819,7 +1278,19 @@ mtk_wed_start(struct mtk_wed_device *dev, u32 irq_mask)
val |= BIT(0) | (BIT(1) * !!dev->hw->index);
regmap_write(dev->hw->mirror, dev->hw->index * 4, val);
} else {
- mtk_wed_set_512_support(dev, true);
+ /* driver set mid ready and only once */
+ wed_w32(dev, MTK_WED_EXT_INT_MASK1,
+ MTK_WED_EXT_INT_STATUS_WPDMA_MID_RDY);
+ wed_w32(dev, MTK_WED_EXT_INT_MASK2,
+ MTK_WED_EXT_INT_STATUS_WPDMA_MID_RDY);
+
+ wed_r32(dev, MTK_WED_EXT_INT_MASK1);
+ wed_r32(dev, MTK_WED_EXT_INT_MASK2);
+
+ if (mtk_wed_rro_cfg(dev))
+ return;
+
+ mtk_wed_set_512_support(dev, dev->wlan.wcid_512);
}
mtk_wed_dma_enable(dev);
@@ -853,7 +1324,7 @@ mtk_wed_attach(struct mtk_wed_device *dev)
if (!hw) {
module_put(THIS_MODULE);
ret = -ENODEV;
- goto out;
+ goto unlock;
}
device = dev->wlan.bus_type == MTK_WED_BUS_PCIE
@@ -866,23 +1337,36 @@ mtk_wed_attach(struct mtk_wed_device *dev)
dev->dev = hw->dev;
dev->irq = hw->irq;
dev->wdma_idx = hw->index;
+ dev->version = hw->version;
if (hw->eth->dma_dev == hw->eth->dev &&
of_dma_is_coherent(hw->eth->dev->of_node))
mtk_eth_set_dma_device(hw->eth, hw->dev);
- ret = mtk_wed_buffer_alloc(dev);
- if (ret) {
- mtk_wed_detach(dev);
+ ret = mtk_wed_tx_buffer_alloc(dev);
+ if (ret)
goto out;
+
+ if (mtk_wed_get_rx_capa(dev)) {
+ ret = mtk_wed_rx_buffer_alloc(dev);
+ if (ret)
+ goto out;
+
+ ret = mtk_wed_rro_alloc(dev);
+ if (ret)
+ goto out;
}
mtk_wed_hw_init_early(dev);
- if (hw->hifsys)
+ if (hw->version == 1)
regmap_update_bits(hw->hifsys, HIFSYS_DMA_AG_MAP,
BIT(hw->index), 0);
-
+ else
+ ret = mtk_wed_wo_init(hw);
out:
+ if (ret)
+ mtk_wed_detach(dev);
+unlock:
mutex_unlock(&hw_lock);
return ret;
@@ -905,13 +1389,14 @@ mtk_wed_tx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
* WDMA RX.
*/
- BUG_ON(idx >= ARRAY_SIZE(dev->tx_ring));
+ if (WARN_ON(idx >= ARRAY_SIZE(dev->tx_ring)))
+ return -EINVAL;
if (mtk_wed_ring_alloc(dev, ring, MTK_WED_TX_RING_SIZE,
- sizeof(*ring->desc)))
+ sizeof(*ring->desc), true))
return -ENOMEM;
- if (mtk_wed_wdma_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
+ if (mtk_wed_wdma_rx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
return -ENOMEM;
ring->reg_base = MTK_WED_RING_TX(idx);
@@ -955,6 +1440,37 @@ mtk_wed_txfree_ring_setup(struct mtk_wed_device *dev, void __iomem *regs)
return 0;
}
+static int
+mtk_wed_rx_ring_setup(struct mtk_wed_device *dev, int idx, void __iomem *regs)
+{
+ struct mtk_wed_ring *ring = &dev->rx_ring[idx];
+
+ if (WARN_ON(idx >= ARRAY_SIZE(dev->rx_ring)))
+ return -EINVAL;
+
+ if (mtk_wed_ring_alloc(dev, ring, MTK_WED_RX_RING_SIZE,
+ sizeof(*ring->desc), false))
+ return -ENOMEM;
+
+ if (mtk_wed_wdma_tx_ring_setup(dev, idx, MTK_WED_WDMA_RING_SIZE))
+ return -ENOMEM;
+
+ ring->reg_base = MTK_WED_RING_RX_DATA(idx);
+ ring->wpdma = regs;
+ ring->flags |= MTK_WED_RING_CONFIGURED;
+
+ /* WPDMA -> WED */
+ wpdma_rx_w32(dev, idx, MTK_WED_RING_OFS_BASE, ring->desc_phys);
+ wpdma_rx_w32(dev, idx, MTK_WED_RING_OFS_COUNT, MTK_WED_RX_RING_SIZE);
+
+ wed_w32(dev, MTK_WED_WPDMA_RING_RX_DATA(idx) + MTK_WED_RING_OFS_BASE,
+ ring->desc_phys);
+ wed_w32(dev, MTK_WED_WPDMA_RING_RX_DATA(idx) + MTK_WED_RING_OFS_COUNT,
+ MTK_WED_RX_RING_SIZE);
+
+ return 0;
+}
+
static u32
mtk_wed_irq_get(struct mtk_wed_device *dev, u32 mask)
{
@@ -1051,7 +1567,9 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
static const struct mtk_wed_ops wed_ops = {
.attach = mtk_wed_attach,
.tx_ring_setup = mtk_wed_tx_ring_setup,
+ .rx_ring_setup = mtk_wed_rx_ring_setup,
.txfree_ring_setup = mtk_wed_txfree_ring_setup,
+ .msg_update = mtk_wed_mcu_msg_update,
.start = mtk_wed_start,
.stop = mtk_wed_stop,
.reset_dma = mtk_wed_reset_dma,
@@ -1060,6 +1578,7 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
.irq_get = mtk_wed_irq_get,
.irq_set_mask = mtk_wed_irq_set_mask,
.detach = mtk_wed_detach,
+ .ppe_check = mtk_wed_ppe_check,
};
struct device_node *eth_np = eth->dev->of_node;
struct platform_device *pdev;
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h
index ae420ca01a48..e012b8a82133 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed.h
@@ -10,6 +10,7 @@
#include <linux/netdevice.h>
struct mtk_eth;
+struct mtk_wed_wo;
struct mtk_wed_hw {
struct device_node *node;
@@ -22,6 +23,7 @@ struct mtk_wed_hw {
struct regmap *mirror;
struct dentry *debugfs_dir;
struct mtk_wed_device *wed_dev;
+ struct mtk_wed_wo *wed_wo;
u32 debugfs_reg;
u32 num_flows;
u8 version;
@@ -85,6 +87,24 @@ wpdma_tx_w32(struct mtk_wed_device *dev, int ring, u32 reg, u32 val)
}
static inline u32
+wpdma_rx_r32(struct mtk_wed_device *dev, int ring, u32 reg)
+{
+ if (!dev->rx_ring[ring].wpdma)
+ return 0;
+
+ return readl(dev->rx_ring[ring].wpdma + reg);
+}
+
+static inline void
+wpdma_rx_w32(struct mtk_wed_device *dev, int ring, u32 reg, u32 val)
+{
+ if (!dev->rx_ring[ring].wpdma)
+ return;
+
+ writel(val, dev->rx_ring[ring].wpdma + reg);
+}
+
+static inline u32
wpdma_txfree_r32(struct mtk_wed_device *dev, u32 reg)
{
if (!dev->txfree_ring.wpdma)
@@ -126,6 +146,7 @@ static inline int mtk_wed_flow_add(int index)
static inline void mtk_wed_flow_remove(int index)
{
}
+
#endif
#ifdef CONFIG_DEBUG_FS
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c b/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c
index f420f187e837..56f663439721 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed_debugfs.c
@@ -2,6 +2,7 @@
/* Copyright (C) 2021 Felix Fietkau <nbd@nbd.name> */
#include <linux/seq_file.h>
+#include <linux/soc/mediatek/mtk_wed.h>
#include "mtk_wed.h"
#include "mtk_wed_regs.h"
@@ -18,6 +19,8 @@ enum {
DUMP_TYPE_WDMA,
DUMP_TYPE_WPDMA_TX,
DUMP_TYPE_WPDMA_TXFREE,
+ DUMP_TYPE_WPDMA_RX,
+ DUMP_TYPE_WED_RRO,
};
#define DUMP_STR(_str) { _str, 0, DUMP_TYPE_STRING }
@@ -36,6 +39,9 @@ enum {
#define DUMP_WPDMA_TX_RING(_n) DUMP_RING("WPDMA_TX" #_n, 0, DUMP_TYPE_WPDMA_TX, _n)
#define DUMP_WPDMA_TXFREE_RING DUMP_RING("WPDMA_RX1", 0, DUMP_TYPE_WPDMA_TXFREE)
+#define DUMP_WPDMA_RX_RING(_n) DUMP_RING("WPDMA_RX" #_n, 0, DUMP_TYPE_WPDMA_RX, _n)
+#define DUMP_WED_RRO_RING(_base)DUMP_RING("WED_RRO_MIOD", MTK_##_base, DUMP_TYPE_WED_RRO)
+#define DUMP_WED_RRO_FDBK(_base)DUMP_RING("WED_RRO_FDBK", MTK_##_base, DUMP_TYPE_WED_RRO)
static void
print_reg_val(struct seq_file *s, const char *name, u32 val)
@@ -57,6 +63,7 @@ dump_wed_regs(struct seq_file *s, struct mtk_wed_device *dev,
cur > regs ? "\n" : "",
cur->name);
continue;
+ case DUMP_TYPE_WED_RRO:
case DUMP_TYPE_WED:
val = wed_r32(dev, cur->offset);
break;
@@ -69,6 +76,9 @@ dump_wed_regs(struct seq_file *s, struct mtk_wed_device *dev,
case DUMP_TYPE_WPDMA_TXFREE:
val = wpdma_txfree_r32(dev, cur->offset);
break;
+ case DUMP_TYPE_WPDMA_RX:
+ val = wpdma_rx_r32(dev, cur->base, cur->offset);
+ break;
}
print_reg_val(s, cur->name, val);
}
@@ -132,6 +142,80 @@ wed_txinfo_show(struct seq_file *s, void *data)
}
DEFINE_SHOW_ATTRIBUTE(wed_txinfo);
+static int
+wed_rxinfo_show(struct seq_file *s, void *data)
+{
+ static const struct reg_dump regs[] = {
+ DUMP_STR("WPDMA RX"),
+ DUMP_WPDMA_RX_RING(0),
+ DUMP_WPDMA_RX_RING(1),
+
+ DUMP_STR("WPDMA RX"),
+ DUMP_WED(WED_WPDMA_RX_D_MIB(0)),
+ DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(0)),
+ DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(0)),
+ DUMP_WED(WED_WPDMA_RX_D_MIB(1)),
+ DUMP_WED_RING(WED_WPDMA_RING_RX_DATA(1)),
+ DUMP_WED(WED_WPDMA_RX_D_PROCESSED_MIB(1)),
+ DUMP_WED(WED_WPDMA_RX_D_COHERENT_MIB),
+
+ DUMP_STR("WED RX"),
+ DUMP_WED_RING(WED_RING_RX_DATA(0)),
+ DUMP_WED_RING(WED_RING_RX_DATA(1)),
+
+ DUMP_STR("WED RRO"),
+ DUMP_WED_RRO_RING(WED_RROQM_MIOD_CTRL0),
+ DUMP_WED(WED_RROQM_MID_MIB),
+ DUMP_WED(WED_RROQM_MOD_MIB),
+ DUMP_WED(WED_RROQM_MOD_COHERENT_MIB),
+ DUMP_WED_RRO_FDBK(WED_RROQM_FDBK_CTRL0),
+ DUMP_WED(WED_RROQM_FDBK_IND_MIB),
+ DUMP_WED(WED_RROQM_FDBK_ENQ_MIB),
+ DUMP_WED(WED_RROQM_FDBK_ANC_MIB),
+ DUMP_WED(WED_RROQM_FDBK_ANC2H_MIB),
+
+ DUMP_STR("WED Route QM"),
+ DUMP_WED(WED_RTQM_R2H_MIB(0)),
+ DUMP_WED(WED_RTQM_R2Q_MIB(0)),
+ DUMP_WED(WED_RTQM_Q2H_MIB(0)),
+ DUMP_WED(WED_RTQM_R2H_MIB(1)),
+ DUMP_WED(WED_RTQM_R2Q_MIB(1)),
+ DUMP_WED(WED_RTQM_Q2H_MIB(1)),
+ DUMP_WED(WED_RTQM_Q2N_MIB),
+ DUMP_WED(WED_RTQM_Q2B_MIB),
+ DUMP_WED(WED_RTQM_PFDBK_MIB),
+
+ DUMP_STR("WED WDMA TX"),
+ DUMP_WED(WED_WDMA_TX_MIB),
+ DUMP_WED_RING(WED_WDMA_RING_TX),
+
+ DUMP_STR("WDMA TX"),
+ DUMP_WDMA(WDMA_GLO_CFG),
+ DUMP_WDMA_RING(WDMA_RING_TX(0)),
+ DUMP_WDMA_RING(WDMA_RING_TX(1)),
+
+ DUMP_STR("WED RX BM"),
+ DUMP_WED(WED_RX_BM_BASE),
+ DUMP_WED(WED_RX_BM_RX_DMAD),
+ DUMP_WED(WED_RX_BM_PTR),
+ DUMP_WED(WED_RX_BM_TKID_MIB),
+ DUMP_WED(WED_RX_BM_BLEN),
+ DUMP_WED(WED_RX_BM_STS),
+ DUMP_WED(WED_RX_BM_INTF2),
+ DUMP_WED(WED_RX_BM_INTF),
+ DUMP_WED(WED_RX_BM_ERR_STS),
+ };
+ struct mtk_wed_hw *hw = s->private;
+ struct mtk_wed_device *dev = hw->wed_dev;
+
+ if (!dev)
+ return 0;
+
+ dump_wed_regs(s, dev, regs, ARRAY_SIZE(regs));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(wed_rxinfo);
static int
mtk_wed_reg_set(void *data, u64 val)
@@ -175,4 +259,7 @@ void mtk_wed_hw_add_debugfs(struct mtk_wed_hw *hw)
debugfs_create_u32("regidx", 0600, dir, &hw->debugfs_reg);
debugfs_create_file_unsafe("regval", 0600, dir, hw, &fops_regval);
debugfs_create_file_unsafe("txinfo", 0400, dir, hw, &wed_txinfo_fops);
+ if (hw->version != 1)
+ debugfs_create_file_unsafe("rxinfo", 0400, dir, hw,
+ &wed_rxinfo_fops);
}
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
new file mode 100644
index 000000000000..f9539e6233c9
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
@@ -0,0 +1,387 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2022 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ * Sujuan Chen <sujuan.chen@mediatek.com>
+ */
+
+#include <linux/firmware.h>
+#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/mfd/syscon.h>
+#include <linux/soc/mediatek/mtk_wed.h>
+#include <asm/unaligned.h>
+
+#include "mtk_wed_regs.h"
+#include "mtk_wed_wo.h"
+#include "mtk_wed.h"
+
+static u32 wo_r32(struct mtk_wed_wo *wo, u32 reg)
+{
+ return readl(wo->boot.addr + reg);
+}
+
+static void wo_w32(struct mtk_wed_wo *wo, u32 reg, u32 val)
+{
+ writel(val, wo->boot.addr + reg);
+}
+
+static struct sk_buff *
+mtk_wed_mcu_msg_alloc(const void *data, int data_len)
+{
+ int length = sizeof(struct mtk_wed_mcu_hdr) + data_len;
+ struct sk_buff *skb;
+
+ skb = alloc_skb(length, GFP_KERNEL);
+ if (!skb)
+ return NULL;
+
+ memset(skb->head, 0, length);
+ skb_reserve(skb, sizeof(struct mtk_wed_mcu_hdr));
+ if (data && data_len)
+ skb_put_data(skb, data, data_len);
+
+ return skb;
+}
+
+static struct sk_buff *
+mtk_wed_mcu_get_response(struct mtk_wed_wo *wo, unsigned long expires)
+{
+ if (!time_is_after_jiffies(expires))
+ return NULL;
+
+ wait_event_timeout(wo->mcu.wait, !skb_queue_empty(&wo->mcu.res_q),
+ expires - jiffies);
+ return skb_dequeue(&wo->mcu.res_q);
+}
+
+void mtk_wed_mcu_rx_event(struct mtk_wed_wo *wo, struct sk_buff *skb)
+{
+ skb_queue_tail(&wo->mcu.res_q, skb);
+ wake_up(&wo->mcu.wait);
+}
+
+static void
+mtk_wed_update_rx_stats(struct mtk_wed_device *wed, struct sk_buff *skb)
+{
+ u32 count = get_unaligned_le32(skb->data);
+ struct mtk_wed_wo_rx_stats *stats;
+ int i;
+
+ if (count * sizeof(*stats) > skb->len - sizeof(u32))
+ return;
+
+ stats = (struct mtk_wed_wo_rx_stats *)(skb->data + sizeof(u32));
+ for (i = 0 ; i < count ; i++)
+ wed->wlan.update_wo_rx_stats(wed, &stats[i]);
+}
+
+void mtk_wed_mcu_rx_unsolicited_event(struct mtk_wed_wo *wo,
+ struct sk_buff *skb)
+{
+ struct mtk_wed_mcu_hdr *hdr = (struct mtk_wed_mcu_hdr *)skb->data;
+
+ skb_pull(skb, sizeof(*hdr));
+
+ switch (hdr->cmd) {
+ case MTK_WED_WO_EVT_LOG_DUMP:
+ dev_notice(wo->hw->dev, "%s\n", skb->data);
+ break;
+ case MTK_WED_WO_EVT_PROFILING: {
+ struct mtk_wed_wo_log_info *info = (void *)skb->data;
+ u32 count = skb->len / sizeof(*info);
+ int i;
+
+ for (i = 0 ; i < count ; i++)
+ dev_notice(wo->hw->dev,
+ "SN:%u latency: total=%u, rro:%u, mod:%u\n",
+ le32_to_cpu(info[i].sn),
+ le32_to_cpu(info[i].total),
+ le32_to_cpu(info[i].rro),
+ le32_to_cpu(info[i].mod));
+ break;
+ }
+ case MTK_WED_WO_EVT_RXCNT_INFO:
+ mtk_wed_update_rx_stats(wo->hw->wed_dev, skb);
+ break;
+ default:
+ break;
+ }
+
+ dev_kfree_skb(skb);
+}
+
+static int
+mtk_wed_mcu_skb_send_msg(struct mtk_wed_wo *wo, struct sk_buff *skb,
+ int id, int cmd, u16 *wait_seq, bool wait_resp)
+{
+ struct mtk_wed_mcu_hdr *hdr;
+
+ /* TODO: make it dynamic based on cmd */
+ wo->mcu.timeout = 20 * HZ;
+
+ hdr = (struct mtk_wed_mcu_hdr *)skb_push(skb, sizeof(*hdr));
+ hdr->cmd = cmd;
+ hdr->length = cpu_to_le16(skb->len);
+
+ if (wait_resp && wait_seq) {
+ u16 seq = ++wo->mcu.seq;
+
+ if (!seq)
+ seq = ++wo->mcu.seq;
+ *wait_seq = seq;
+
+ hdr->flag |= cpu_to_le16(MTK_WED_WARP_CMD_FLAG_NEED_RSP);
+ hdr->seq = cpu_to_le16(seq);
+ }
+ if (id == MTK_WED_MODULE_ID_WO)
+ hdr->flag |= cpu_to_le16(MTK_WED_WARP_CMD_FLAG_FROM_TO_WO);
+
+ return mtk_wed_wo_queue_tx_skb(wo, &wo->q_tx, skb);
+}
+
+static int
+mtk_wed_mcu_parse_response(struct mtk_wed_wo *wo, struct sk_buff *skb,
+ int cmd, int seq)
+{
+ struct mtk_wed_mcu_hdr *hdr;
+
+ if (!skb) {
+ dev_err(wo->hw->dev, "Message %08x (seq %d) timeout\n",
+ cmd, seq);
+ return -ETIMEDOUT;
+ }
+
+ hdr = (struct mtk_wed_mcu_hdr *)skb->data;
+ if (le16_to_cpu(hdr->seq) != seq)
+ return -EAGAIN;
+
+ skb_pull(skb, sizeof(*hdr));
+ switch (cmd) {
+ case MTK_WED_WO_CMD_RXCNT_INFO:
+ mtk_wed_update_rx_stats(wo->hw->wed_dev, skb);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+int mtk_wed_mcu_send_msg(struct mtk_wed_wo *wo, int id, int cmd,
+ const void *data, int len, bool wait_resp)
+{
+ unsigned long expires;
+ struct sk_buff *skb;
+ u16 seq;
+ int ret;
+
+ skb = mtk_wed_mcu_msg_alloc(data, len);
+ if (!skb)
+ return -ENOMEM;
+
+ mutex_lock(&wo->mcu.mutex);
+
+ ret = mtk_wed_mcu_skb_send_msg(wo, skb, id, cmd, &seq, wait_resp);
+ if (ret || !wait_resp)
+ goto unlock;
+
+ expires = jiffies + wo->mcu.timeout;
+ do {
+ skb = mtk_wed_mcu_get_response(wo, expires);
+ ret = mtk_wed_mcu_parse_response(wo, skb, cmd, seq);
+ dev_kfree_skb(skb);
+ } while (ret == -EAGAIN);
+
+unlock:
+ mutex_unlock(&wo->mcu.mutex);
+
+ return ret;
+}
+
+int mtk_wed_mcu_msg_update(struct mtk_wed_device *dev, int id, void *data,
+ int len)
+{
+ struct mtk_wed_wo *wo = dev->hw->wed_wo;
+
+ if (dev->hw->version == 1)
+ return 0;
+
+ return mtk_wed_mcu_send_msg(wo, MTK_WED_MODULE_ID_WO, id, data, len,
+ true);
+}
+
+static int
+mtk_wed_get_memory_region(struct mtk_wed_wo *wo,
+ struct mtk_wed_wo_memory_region *region)
+{
+ struct reserved_mem *rmem;
+ struct device_node *np;
+ int index;
+
+ index = of_property_match_string(wo->hw->node, "memory-region-names",
+ region->name);
+ if (index < 0)
+ return index;
+
+ np = of_parse_phandle(wo->hw->node, "memory-region", index);
+ if (!np)
+ return -ENODEV;
+
+ rmem = of_reserved_mem_lookup(np);
+ of_node_put(np);
+
+ if (!rmem)
+ return -ENODEV;
+
+ region->phy_addr = rmem->base;
+ region->size = rmem->size;
+ region->addr = devm_ioremap(wo->hw->dev, region->phy_addr, region->size);
+
+ return !region->addr ? -EINVAL : 0;
+}
+
+static int
+mtk_wed_mcu_run_firmware(struct mtk_wed_wo *wo, const struct firmware *fw,
+ struct mtk_wed_wo_memory_region *region)
+{
+ const u8 *first_region_ptr, *region_ptr, *trailer_ptr, *ptr = fw->data;
+ const struct mtk_wed_fw_trailer *trailer;
+ const struct mtk_wed_fw_region *fw_region;
+
+ trailer_ptr = fw->data + fw->size - sizeof(*trailer);
+ trailer = (const struct mtk_wed_fw_trailer *)trailer_ptr;
+ region_ptr = trailer_ptr - trailer->num_region * sizeof(*fw_region);
+ first_region_ptr = region_ptr;
+
+ while (region_ptr < trailer_ptr) {
+ u32 length;
+
+ fw_region = (const struct mtk_wed_fw_region *)region_ptr;
+ length = le32_to_cpu(fw_region->len);
+
+ if (region->phy_addr != le32_to_cpu(fw_region->addr))
+ goto next;
+
+ if (region->size < length)
+ goto next;
+
+ if (first_region_ptr < ptr + length)
+ goto next;
+
+ if (region->shared && region->consumed)
+ return 0;
+
+ if (!region->shared || !region->consumed) {
+ memcpy_toio(region->addr, ptr, length);
+ region->consumed = true;
+ return 0;
+ }
+next:
+ region_ptr += sizeof(*fw_region);
+ ptr += length;
+ }
+
+ return -EINVAL;
+}
+
+static int
+mtk_wed_mcu_load_firmware(struct mtk_wed_wo *wo)
+{
+ static struct mtk_wed_wo_memory_region mem_region[] = {
+ [MTK_WED_WO_REGION_EMI] = {
+ .name = "wo-emi",
+ },
+ [MTK_WED_WO_REGION_ILM] = {
+ .name = "wo-ilm",
+ },
+ [MTK_WED_WO_REGION_DATA] = {
+ .name = "wo-data",
+ .shared = true,
+ },
+ };
+ const struct mtk_wed_fw_trailer *trailer;
+ const struct firmware *fw;
+ const char *fw_name;
+ u32 val, boot_cr;
+ int ret, i;
+
+ /* load firmware region metadata */
+ for (i = 0; i < ARRAY_SIZE(mem_region); i++) {
+ ret = mtk_wed_get_memory_region(wo, &mem_region[i]);
+ if (ret)
+ return ret;
+ }
+
+ wo->boot.name = "wo-boot";
+ ret = mtk_wed_get_memory_region(wo, &wo->boot);
+ if (ret)
+ return ret;
+
+ /* set dummy cr */
+ wed_w32(wo->hw->wed_dev, MTK_WED_SCR0 + 4 * MTK_WED_DUMMY_CR_FWDL,
+ wo->hw->index + 1);
+
+ /* load firmware */
+ fw_name = wo->hw->index ? MT7986_FIRMWARE_WO1 : MT7986_FIRMWARE_WO0;
+ ret = request_firmware(&fw, fw_name, wo->hw->dev);
+ if (ret)
+ return ret;
+
+ trailer = (void *)(fw->data + fw->size -
+ sizeof(struct mtk_wed_fw_trailer));
+ dev_info(wo->hw->dev,
+ "MTK WED WO Firmware Version: %.10s, Build Time: %.15s\n",
+ trailer->fw_ver, trailer->build_date);
+ dev_info(wo->hw->dev, "MTK WED WO Chip ID %02x Region %d\n",
+ trailer->chip_id, trailer->num_region);
+
+ for (i = 0; i < ARRAY_SIZE(mem_region); i++) {
+ ret = mtk_wed_mcu_run_firmware(wo, fw, &mem_region[i]);
+ if (ret)
+ goto out;
+ }
+
+ /* set the start address */
+ boot_cr = wo->hw->index ? MTK_WO_MCU_CFG_LS_WA_BOOT_ADDR_ADDR
+ : MTK_WO_MCU_CFG_LS_WM_BOOT_ADDR_ADDR;
+ wo_w32(wo, boot_cr, mem_region[MTK_WED_WO_REGION_EMI].phy_addr >> 16);
+ /* wo firmware reset */
+ wo_w32(wo, MTK_WO_MCU_CFG_LS_WF_MCCR_CLR_ADDR, 0xc00);
+
+ val = wo_r32(wo, MTK_WO_MCU_CFG_LS_WF_MCU_CFG_WM_WA_ADDR);
+ val |= wo->hw->index ? MTK_WO_MCU_CFG_LS_WF_WM_WA_WA_CPU_RSTB_MASK
+ : MTK_WO_MCU_CFG_LS_WF_WM_WA_WM_CPU_RSTB_MASK;
+ wo_w32(wo, MTK_WO_MCU_CFG_LS_WF_MCU_CFG_WM_WA_ADDR, val);
+out:
+ release_firmware(fw);
+
+ return ret;
+}
+
+static u32
+mtk_wed_mcu_read_fw_dl(struct mtk_wed_wo *wo)
+{
+ return wed_r32(wo->hw->wed_dev,
+ MTK_WED_SCR0 + 4 * MTK_WED_DUMMY_CR_FWDL);
+}
+
+int mtk_wed_mcu_init(struct mtk_wed_wo *wo)
+{
+ u32 val;
+ int ret;
+
+ skb_queue_head_init(&wo->mcu.res_q);
+ init_waitqueue_head(&wo->mcu.wait);
+ mutex_init(&wo->mcu.mutex);
+
+ ret = mtk_wed_mcu_load_firmware(wo);
+ if (ret)
+ return ret;
+
+ return readx_poll_timeout(mtk_wed_mcu_read_fw_dl, wo, val, !val,
+ 100, MTK_FW_DL_TIMEOUT);
+}
+
+MODULE_FIRMWARE(MT7986_FIRMWARE_WO0);
+MODULE_FIRMWARE(MT7986_FIRMWARE_WO1);
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_regs.h b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
index e270fb336143..9e39dace95eb 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed_regs.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
@@ -4,6 +4,7 @@
#ifndef __MTK_WED_REGS_H
#define __MTK_WED_REGS_H
+#define MTK_WFDMA_DESC_CTRL_TO_HOST BIT(8)
#define MTK_WDMA_DESC_CTRL_LEN1 GENMASK(14, 0)
#define MTK_WDMA_DESC_CTRL_LEN1_V2 GENMASK(13, 0)
#define MTK_WDMA_DESC_CTRL_LAST_SEG1 BIT(15)
@@ -28,6 +29,8 @@ struct mtk_wdma_desc {
#define MTK_WED_RESET_WED_TX_DMA BIT(12)
#define MTK_WED_RESET_WDMA_RX_DRV BIT(17)
#define MTK_WED_RESET_WDMA_INT_AGENT BIT(19)
+#define MTK_WED_RESET_RX_RRO_QM BIT(20)
+#define MTK_WED_RESET_RX_ROUTE_QM BIT(21)
#define MTK_WED_RESET_WED BIT(31)
#define MTK_WED_CTRL 0x00c
@@ -39,8 +42,12 @@ struct mtk_wdma_desc {
#define MTK_WED_CTRL_WED_TX_BM_BUSY BIT(9)
#define MTK_WED_CTRL_WED_TX_FREE_AGENT_EN BIT(10)
#define MTK_WED_CTRL_WED_TX_FREE_AGENT_BUSY BIT(11)
-#define MTK_WED_CTRL_RESERVE_EN BIT(12)
-#define MTK_WED_CTRL_RESERVE_BUSY BIT(13)
+#define MTK_WED_CTRL_WED_RX_BM_EN BIT(12)
+#define MTK_WED_CTRL_WED_RX_BM_BUSY BIT(13)
+#define MTK_WED_CTRL_RX_RRO_QM_EN BIT(14)
+#define MTK_WED_CTRL_RX_RRO_QM_BUSY BIT(15)
+#define MTK_WED_CTRL_RX_ROUTE_QM_EN BIT(16)
+#define MTK_WED_CTRL_RX_ROUTE_QM_BUSY BIT(17)
#define MTK_WED_CTRL_FINAL_DIDX_READ BIT(24)
#define MTK_WED_CTRL_ETH_DMAD_FMT BIT(25)
#define MTK_WED_CTRL_MIB_READ_CLEAR BIT(28)
@@ -62,6 +69,9 @@ struct mtk_wdma_desc {
#define MTK_WED_EXT_INT_STATUS_TX_DMA_R_RESP_ERR BIT(22)
#define MTK_WED_EXT_INT_STATUS_TX_DMA_W_RESP_ERR BIT(23)
#define MTK_WED_EXT_INT_STATUS_RX_DRV_DMA_RECYCLE BIT(24)
+#define MTK_WED_EXT_INT_STATUS_RX_DRV_GET_BM_DMAD_SKIP BIT(25)
+#define MTK_WED_EXT_INT_STATUS_WPDMA_RX_D_DRV_ERR BIT(26)
+#define MTK_WED_EXT_INT_STATUS_WPDMA_MID_RDY BIT(27)
#define MTK_WED_EXT_INT_STATUS_ERROR_MASK (MTK_WED_EXT_INT_STATUS_TF_LEN_ERR | \
MTK_WED_EXT_INT_STATUS_TKID_WO_PYLD | \
MTK_WED_EXT_INT_STATUS_TKID_TITO_INVALID | \
@@ -71,6 +81,8 @@ struct mtk_wdma_desc {
MTK_WED_EXT_INT_STATUS_TX_DMA_R_RESP_ERR)
#define MTK_WED_EXT_INT_MASK 0x028
+#define MTK_WED_EXT_INT_MASK1 0x02c
+#define MTK_WED_EXT_INT_MASK2 0x030
#define MTK_WED_STATUS 0x060
#define MTK_WED_STATUS_TX GENMASK(15, 8)
@@ -151,7 +163,9 @@ struct mtk_wdma_desc {
#define MTK_WED_RING_TX(_n) (0x300 + (_n) * 0x10)
#define MTK_WED_RING_RX(_n) (0x400 + (_n) * 0x10)
+#define MTK_WED_RING_RX_DATA(_n) (0x420 + (_n) * 0x10)
+#define MTK_WED_SCR0 0x3c0
#define MTK_WED_WPDMA_INT_TRIGGER 0x504
#define MTK_WED_WPDMA_INT_TRIGGER_RX_DONE BIT(1)
#define MTK_WED_WPDMA_INT_TRIGGER_TX_DONE GENMASK(5, 4)
@@ -212,6 +226,12 @@ struct mtk_wdma_desc {
#define MTK_WED_WPDMA_INT_CTRL_TX1_DONE_TRIG GENMASK(14, 10)
#define MTK_WED_WPDMA_INT_CTRL_RX 0x534
+#define MTK_WED_WPDMA_INT_CTRL_RX0_EN BIT(0)
+#define MTK_WED_WPDMA_INT_CTRL_RX0_CLR BIT(1)
+#define MTK_WED_WPDMA_INT_CTRL_RX0_DONE_TRIG GENMASK(6, 2)
+#define MTK_WED_WPDMA_INT_CTRL_RX1_EN BIT(8)
+#define MTK_WED_WPDMA_INT_CTRL_RX1_CLR BIT(9)
+#define MTK_WED_WPDMA_INT_CTRL_RX1_DONE_TRIG GENMASK(14, 10)
#define MTK_WED_WPDMA_INT_CTRL_TX_FREE 0x538
#define MTK_WED_WPDMA_INT_CTRL_TX_FREE_DONE_EN BIT(0)
@@ -241,11 +261,34 @@ struct mtk_wdma_desc {
#define MTK_WED_WPDMA_RING_TX(_n) (0x600 + (_n) * 0x10)
#define MTK_WED_WPDMA_RING_RX(_n) (0x700 + (_n) * 0x10)
+#define MTK_WED_WPDMA_RING_RX_DATA(_n) (0x730 + (_n) * 0x10)
+
+#define MTK_WED_WPDMA_RX_D_GLO_CFG 0x75c
+#define MTK_WED_WPDMA_RX_D_RX_DRV_EN BIT(0)
+#define MTK_WED_WPDMA_RX_D_INIT_PHASE_RXEN_SEL GENMASK(11, 7)
+#define MTK_WED_WPDMA_RX_D_RXD_READ_LEN GENMASK(31, 24)
+
+#define MTK_WED_WPDMA_RX_D_RST_IDX 0x760
+#define MTK_WED_WPDMA_RX_D_RST_CRX_IDX GENMASK(17, 16)
+#define MTK_WED_WPDMA_RX_D_RST_DRV_IDX GENMASK(25, 24)
+
+#define MTK_WED_WPDMA_RX_GLO_CFG 0x76c
+#define MTK_WED_WPDMA_RX_RING 0x770
+
+#define MTK_WED_WPDMA_RX_D_MIB(_n) (0x774 + (_n) * 4)
+#define MTK_WED_WPDMA_RX_D_PROCESSED_MIB(_n) (0x784 + (_n) * 4)
+#define MTK_WED_WPDMA_RX_D_COHERENT_MIB 0x78c
+
+#define MTK_WED_WDMA_RING_TX 0x800
+
+#define MTK_WED_WDMA_TX_MIB 0x810
+
#define MTK_WED_WDMA_RING_RX(_n) (0x900 + (_n) * 0x10)
#define MTK_WED_WDMA_RX_THRES(_n) (0x940 + (_n) * 0x4)
#define MTK_WED_WDMA_GLO_CFG 0xa04
#define MTK_WED_WDMA_GLO_CFG_TX_DRV_EN BIT(0)
+#define MTK_WED_WDMA_GLO_CFG_TX_DDONE_CHK BIT(1)
#define MTK_WED_WDMA_GLO_CFG_RX_DRV_EN BIT(2)
#define MTK_WED_WDMA_GLO_CFG_RX_DRV_BUSY BIT(3)
#define MTK_WED_WDMA_GLO_CFG_BT_SIZE GENMASK(5, 4)
@@ -290,6 +333,20 @@ struct mtk_wdma_desc {
#define MTK_WED_WDMA_RX_RECYCLE_MIB(_n) (0xae8 + (_n) * 4)
#define MTK_WED_WDMA_RX_PROCESSED_MIB(_n) (0xaf0 + (_n) * 4)
+#define MTK_WED_RX_BM_RX_DMAD 0xd80
+#define MTK_WED_RX_BM_RX_DMAD_SDL0 GENMASK(13, 0)
+
+#define MTK_WED_RX_BM_BASE 0xd84
+#define MTK_WED_RX_BM_INIT_PTR 0xd88
+#define MTK_WED_RX_BM_SW_TAIL GENMASK(15, 0)
+#define MTK_WED_RX_BM_INIT_SW_TAIL BIT(16)
+
+#define MTK_WED_RX_PTR 0xd8c
+
+#define MTK_WED_RX_BM_DYN_ALLOC_TH 0xdb4
+#define MTK_WED_RX_BM_DYN_ALLOC_TH_H GENMASK(31, 16)
+#define MTK_WED_RX_BM_DYN_ALLOC_TH_L GENMASK(15, 0)
+
#define MTK_WED_RING_OFS_BASE 0x00
#define MTK_WED_RING_OFS_COUNT 0x04
#define MTK_WED_RING_OFS_CPU_IDX 0x08
@@ -300,7 +357,9 @@ struct mtk_wdma_desc {
#define MTK_WDMA_GLO_CFG 0x204
#define MTK_WDMA_GLO_CFG_TX_DMA_EN BIT(0)
+#define MTK_WDMA_GLO_CFG_TX_DMA_BUSY BIT(1)
#define MTK_WDMA_GLO_CFG_RX_DMA_EN BIT(2)
+#define MTK_WDMA_GLO_CFG_RX_DMA_BUSY BIT(3)
#define MTK_WDMA_GLO_CFG_RX_INFO3_PRERES BIT(26)
#define MTK_WDMA_GLO_CFG_RX_INFO2_PRERES BIT(27)
#define MTK_WDMA_GLO_CFG_RX_INFO1_PRERES BIT(28)
@@ -329,4 +388,70 @@ struct mtk_wdma_desc {
/* DMA channel mapping */
#define HIFSYS_DMA_AG_MAP 0x008
+#define MTK_WED_RTQM_GLO_CFG 0xb00
+#define MTK_WED_RTQM_BUSY BIT(1)
+#define MTK_WED_RTQM_Q_RST BIT(2)
+#define MTK_WED_RTQM_Q_DBG_BYPASS BIT(5)
+#define MTK_WED_RTQM_TXDMAD_FPORT GENMASK(23, 20)
+
+#define MTK_WED_RTQM_R2H_MIB(_n) (0xb70 + (_n) * 0x4)
+#define MTK_WED_RTQM_R2Q_MIB(_n) (0xb78 + (_n) * 0x4)
+#define MTK_WED_RTQM_Q2N_MIB 0xb80
+#define MTK_WED_RTQM_Q2H_MIB(_n) (0xb84 + (_n) * 0x4)
+
+#define MTK_WED_RTQM_Q2B_MIB 0xb8c
+#define MTK_WED_RTQM_PFDBK_MIB 0xb90
+
+#define MTK_WED_RROQM_GLO_CFG 0xc04
+#define MTK_WED_RROQM_RST_IDX 0xc08
+#define MTK_WED_RROQM_RST_IDX_MIOD BIT(0)
+#define MTK_WED_RROQM_RST_IDX_FDBK BIT(4)
+
+#define MTK_WED_RROQM_MIOD_CTRL0 0xc40
+#define MTK_WED_RROQM_MIOD_CTRL1 0xc44
+#define MTK_WED_RROQM_MIOD_CNT GENMASK(11, 0)
+
+#define MTK_WED_RROQM_MIOD_CTRL2 0xc48
+#define MTK_WED_RROQM_MIOD_CTRL3 0xc4c
+
+#define MTK_WED_RROQM_FDBK_CTRL0 0xc50
+#define MTK_WED_RROQM_FDBK_CTRL1 0xc54
+#define MTK_WED_RROQM_FDBK_CNT GENMASK(11, 0)
+
+#define MTK_WED_RROQM_FDBK_CTRL2 0xc58
+
+#define MTK_WED_RROQ_BASE_L 0xc80
+#define MTK_WED_RROQ_BASE_H 0xc84
+
+#define MTK_WED_RROQM_MIOD_CFG 0xc8c
+#define MTK_WED_RROQM_MIOD_MID_DW GENMASK(5, 0)
+#define MTK_WED_RROQM_MIOD_MOD_DW GENMASK(13, 8)
+#define MTK_WED_RROQM_MIOD_ENTRY_DW GENMASK(22, 16)
+
+#define MTK_WED_RROQM_MID_MIB 0xcc0
+#define MTK_WED_RROQM_MOD_MIB 0xcc4
+#define MTK_WED_RROQM_MOD_COHERENT_MIB 0xcc8
+#define MTK_WED_RROQM_FDBK_MIB 0xcd0
+#define MTK_WED_RROQM_FDBK_COHERENT_MIB 0xcd4
+#define MTK_WED_RROQM_FDBK_IND_MIB 0xce0
+#define MTK_WED_RROQM_FDBK_ENQ_MIB 0xce4
+#define MTK_WED_RROQM_FDBK_ANC_MIB 0xce8
+#define MTK_WED_RROQM_FDBK_ANC2H_MIB 0xcec
+
+#define MTK_WED_RX_BM_RX_DMAD 0xd80
+#define MTK_WED_RX_BM_BASE 0xd84
+#define MTK_WED_RX_BM_INIT_PTR 0xd88
+#define MTK_WED_RX_BM_PTR 0xd8c
+#define MTK_WED_RX_BM_PTR_HEAD GENMASK(32, 16)
+#define MTK_WED_RX_BM_PTR_TAIL GENMASK(15, 0)
+
+#define MTK_WED_RX_BM_BLEN 0xd90
+#define MTK_WED_RX_BM_STS 0xd94
+#define MTK_WED_RX_BM_INTF2 0xd98
+#define MTK_WED_RX_BM_INTF 0xd9c
+#define MTK_WED_RX_BM_ERR_STS 0xda8
+
+#define MTK_WED_WOCPU_VIEW_MIOD_BASE 0x8000
+#define MTK_WED_PCIE_INT_MASK 0x0
+
#endif
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.c b/drivers/net/ethernet/mediatek/mtk_wed_wo.c
new file mode 100644
index 000000000000..4754b6db009e
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.c
@@ -0,0 +1,508 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2022 MediaTek Inc.
+ *
+ * Author: Lorenzo Bianconi <lorenzo@kernel.org>
+ * Sujuan Chen <sujuan.chen@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/of_platform.h>
+#include <linux/interrupt.h>
+#include <linux/of_address.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_irq.h>
+#include <linux/bitfield.h>
+
+#include "mtk_wed.h"
+#include "mtk_wed_regs.h"
+#include "mtk_wed_wo.h"
+
+static u32
+mtk_wed_mmio_r32(struct mtk_wed_wo *wo, u32 reg)
+{
+ u32 val;
+
+ if (regmap_read(wo->mmio.regs, reg, &val))
+ val = ~0;
+
+ return val;
+}
+
+static void
+mtk_wed_mmio_w32(struct mtk_wed_wo *wo, u32 reg, u32 val)
+{
+ regmap_write(wo->mmio.regs, reg, val);
+}
+
+static u32
+mtk_wed_wo_get_isr(struct mtk_wed_wo *wo)
+{
+ u32 val = mtk_wed_mmio_r32(wo, MTK_WED_WO_CCIF_RCHNUM);
+
+ return val & MTK_WED_WO_CCIF_RCHNUM_MASK;
+}
+
+static void
+mtk_wed_wo_set_isr(struct mtk_wed_wo *wo, u32 mask)
+{
+ mtk_wed_mmio_w32(wo, MTK_WED_WO_CCIF_IRQ0_MASK, mask);
+}
+
+static void
+mtk_wed_wo_set_ack(struct mtk_wed_wo *wo, u32 mask)
+{
+ mtk_wed_mmio_w32(wo, MTK_WED_WO_CCIF_ACK, mask);
+}
+
+static void
+mtk_wed_wo_set_isr_mask(struct mtk_wed_wo *wo, u32 mask, u32 val, bool set)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wo->mmio.lock, flags);
+ wo->mmio.irq_mask &= ~mask;
+ wo->mmio.irq_mask |= val;
+ if (set)
+ mtk_wed_wo_set_isr(wo, wo->mmio.irq_mask);
+ spin_unlock_irqrestore(&wo->mmio.lock, flags);
+}
+
+static void
+mtk_wed_wo_irq_enable(struct mtk_wed_wo *wo, u32 mask)
+{
+ mtk_wed_wo_set_isr_mask(wo, 0, mask, false);
+ tasklet_schedule(&wo->mmio.irq_tasklet);
+}
+
+static void
+mtk_wed_wo_irq_disable(struct mtk_wed_wo *wo, u32 mask)
+{
+ mtk_wed_wo_set_isr_mask(wo, mask, 0, true);
+}
+
+static void
+mtk_wed_wo_kickout(struct mtk_wed_wo *wo)
+{
+ mtk_wed_mmio_w32(wo, MTK_WED_WO_CCIF_BUSY, 1 << MTK_WED_WO_TXCH_NUM);
+ mtk_wed_mmio_w32(wo, MTK_WED_WO_CCIF_TCHNUM, MTK_WED_WO_TXCH_NUM);
+}
+
+static void
+mtk_wed_wo_queue_kick(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q,
+ u32 val)
+{
+ wmb();
+ mtk_wed_mmio_w32(wo, q->regs.cpu_idx, val);
+}
+
+static void *
+mtk_wed_wo_dequeue(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q, u32 *len,
+ bool flush)
+{
+ int buf_len = SKB_WITH_OVERHEAD(q->buf_size);
+ int index = (q->tail + 1) % q->n_desc;
+ struct mtk_wed_wo_queue_entry *entry;
+ struct mtk_wed_wo_queue_desc *desc;
+ void *buf;
+
+ if (!q->queued)
+ return NULL;
+
+ if (flush)
+ q->desc[index].ctrl |= cpu_to_le32(MTK_WED_WO_CTL_DMA_DONE);
+ else if (!(q->desc[index].ctrl & cpu_to_le32(MTK_WED_WO_CTL_DMA_DONE)))
+ return NULL;
+
+ q->tail = index;
+ q->queued--;
+
+ desc = &q->desc[index];
+ entry = &q->entry[index];
+ buf = entry->buf;
+ if (len)
+ *len = FIELD_GET(MTK_WED_WO_CTL_SD_LEN0,
+ le32_to_cpu(READ_ONCE(desc->ctrl)));
+ if (buf)
+ dma_unmap_single(wo->hw->dev, entry->addr, buf_len,
+ DMA_FROM_DEVICE);
+ entry->buf = NULL;
+
+ return buf;
+}
+
+static int
+mtk_wed_wo_queue_refill(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q,
+ gfp_t gfp, bool rx)
+{
+ enum dma_data_direction dir = rx ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+ int n_buf = 0;
+
+ spin_lock_bh(&q->lock);
+ while (q->queued < q->n_desc) {
+ void *buf = page_frag_alloc(&q->cache, q->buf_size, gfp);
+ struct mtk_wed_wo_queue_entry *entry;
+ dma_addr_t addr;
+
+ if (!buf)
+ break;
+
+ addr = dma_map_single(wo->hw->dev, buf, q->buf_size, dir);
+ if (unlikely(dma_mapping_error(wo->hw->dev, addr))) {
+ skb_free_frag(buf);
+ break;
+ }
+
+ q->head = (q->head + 1) % q->n_desc;
+ entry = &q->entry[q->head];
+ entry->addr = addr;
+ entry->len = q->buf_size;
+ q->entry[q->head].buf = buf;
+
+ if (rx) {
+ struct mtk_wed_wo_queue_desc *desc = &q->desc[q->head];
+ u32 ctrl = MTK_WED_WO_CTL_LAST_SEC0 |
+ FIELD_PREP(MTK_WED_WO_CTL_SD_LEN0,
+ entry->len);
+
+ WRITE_ONCE(desc->buf0, cpu_to_le32(addr));
+ WRITE_ONCE(desc->ctrl, cpu_to_le32(ctrl));
+ }
+ q->queued++;
+ n_buf++;
+ }
+ spin_unlock_bh(&q->lock);
+
+ return n_buf;
+}
+
+static void
+mtk_wed_wo_rx_complete(struct mtk_wed_wo *wo)
+{
+ mtk_wed_wo_set_ack(wo, MTK_WED_WO_RXCH_INT_MASK);
+ mtk_wed_wo_irq_enable(wo, MTK_WED_WO_RXCH_INT_MASK);
+}
+
+static void
+mtk_wed_wo_rx_run_queue(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q)
+{
+ for (;;) {
+ struct mtk_wed_mcu_hdr *hdr;
+ struct sk_buff *skb;
+ void *data;
+ u32 len;
+
+ data = mtk_wed_wo_dequeue(wo, q, &len, false);
+ if (!data)
+ break;
+
+ skb = build_skb(data, q->buf_size);
+ if (!skb) {
+ skb_free_frag(data);
+ continue;
+ }
+
+ __skb_put(skb, len);
+ if (mtk_wed_mcu_check_msg(wo, skb)) {
+ dev_kfree_skb(skb);
+ continue;
+ }
+
+ hdr = (struct mtk_wed_mcu_hdr *)skb->data;
+ if (hdr->flag & cpu_to_le16(MTK_WED_WARP_CMD_FLAG_RSP))
+ mtk_wed_mcu_rx_event(wo, skb);
+ else
+ mtk_wed_mcu_rx_unsolicited_event(wo, skb);
+ }
+
+ if (mtk_wed_wo_queue_refill(wo, q, GFP_ATOMIC, true)) {
+ u32 index = (q->head - 1) % q->n_desc;
+
+ mtk_wed_wo_queue_kick(wo, q, index);
+ }
+}
+
+static irqreturn_t
+mtk_wed_wo_irq_handler(int irq, void *data)
+{
+ struct mtk_wed_wo *wo = data;
+
+ mtk_wed_wo_set_isr(wo, 0);
+ tasklet_schedule(&wo->mmio.irq_tasklet);
+
+ return IRQ_HANDLED;
+}
+
+static void mtk_wed_wo_irq_tasklet(struct tasklet_struct *t)
+{
+ struct mtk_wed_wo *wo = from_tasklet(wo, t, mmio.irq_tasklet);
+ u32 intr, mask;
+
+ /* disable interrupts */
+ mtk_wed_wo_set_isr(wo, 0);
+
+ intr = mtk_wed_wo_get_isr(wo);
+ intr &= wo->mmio.irq_mask;
+ mask = intr & (MTK_WED_WO_RXCH_INT_MASK | MTK_WED_WO_EXCEPTION_INT_MASK);
+ mtk_wed_wo_irq_disable(wo, mask);
+
+ if (intr & MTK_WED_WO_RXCH_INT_MASK) {
+ mtk_wed_wo_rx_run_queue(wo, &wo->q_rx);
+ mtk_wed_wo_rx_complete(wo);
+ }
+}
+
+/* mtk wed wo hw queues */
+
+static int
+mtk_wed_wo_queue_alloc(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q,
+ int n_desc, int buf_size, int index,
+ struct mtk_wed_wo_queue_regs *regs)
+{
+ spin_lock_init(&q->lock);
+ q->regs = *regs;
+ q->n_desc = n_desc;
+ q->buf_size = buf_size;
+
+ q->desc = dmam_alloc_coherent(wo->hw->dev, n_desc * sizeof(*q->desc),
+ &q->desc_dma, GFP_KERNEL);
+ if (!q->desc)
+ return -ENOMEM;
+
+ q->entry = devm_kzalloc(wo->hw->dev, n_desc * sizeof(*q->entry),
+ GFP_KERNEL);
+ if (!q->entry)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void
+mtk_wed_wo_queue_free(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q)
+{
+ mtk_wed_mmio_w32(wo, q->regs.cpu_idx, 0);
+ dma_free_coherent(wo->hw->dev, q->n_desc * sizeof(*q->desc), q->desc,
+ q->desc_dma);
+}
+
+static void
+mtk_wed_wo_queue_tx_clean(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q)
+{
+ struct page *page;
+ int i;
+
+ spin_lock_bh(&q->lock);
+ for (i = 0; i < q->n_desc; i++) {
+ struct mtk_wed_wo_queue_entry *entry = &q->entry[i];
+
+ dma_unmap_single(wo->hw->dev, entry->addr, entry->len,
+ DMA_TO_DEVICE);
+ skb_free_frag(entry->buf);
+ entry->buf = NULL;
+ }
+ spin_unlock_bh(&q->lock);
+
+ if (!q->cache.va)
+ return;
+
+ page = virt_to_page(q->cache.va);
+ __page_frag_cache_drain(page, q->cache.pagecnt_bias);
+ memset(&q->cache, 0, sizeof(q->cache));
+}
+
+static void
+mtk_wed_wo_queue_rx_clean(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q)
+{
+ struct page *page;
+
+ spin_lock_bh(&q->lock);
+ for (;;) {
+ void *buf = mtk_wed_wo_dequeue(wo, q, NULL, true);
+
+ if (!buf)
+ break;
+
+ skb_free_frag(buf);
+ }
+ spin_unlock_bh(&q->lock);
+
+ if (!q->cache.va)
+ return;
+
+ page = virt_to_page(q->cache.va);
+ __page_frag_cache_drain(page, q->cache.pagecnt_bias);
+ memset(&q->cache, 0, sizeof(q->cache));
+}
+
+static void
+mtk_wed_wo_queue_reset(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q)
+{
+ mtk_wed_mmio_w32(wo, q->regs.cpu_idx, 0);
+ mtk_wed_mmio_w32(wo, q->regs.desc_base, q->desc_dma);
+ mtk_wed_mmio_w32(wo, q->regs.ring_size, q->n_desc);
+}
+
+int mtk_wed_wo_queue_tx_skb(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q,
+ struct sk_buff *skb)
+{
+ struct mtk_wed_wo_queue_entry *entry;
+ struct mtk_wed_wo_queue_desc *desc;
+ int ret = 0, index;
+ u32 ctrl;
+
+ spin_lock_bh(&q->lock);
+
+ q->tail = mtk_wed_mmio_r32(wo, q->regs.dma_idx);
+ index = (q->head + 1) % q->n_desc;
+ if (q->tail == index) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ entry = &q->entry[index];
+ if (skb->len > entry->len) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ desc = &q->desc[index];
+ q->head = index;
+
+ dma_sync_single_for_cpu(wo->hw->dev, entry->addr, skb->len,
+ DMA_TO_DEVICE);
+ memcpy(entry->buf, skb->data, skb->len);
+ dma_sync_single_for_device(wo->hw->dev, entry->addr, skb->len,
+ DMA_TO_DEVICE);
+
+ ctrl = FIELD_PREP(MTK_WED_WO_CTL_SD_LEN0, skb->len) |
+ MTK_WED_WO_CTL_LAST_SEC0 | MTK_WED_WO_CTL_DMA_DONE;
+ WRITE_ONCE(desc->buf0, cpu_to_le32(entry->addr));
+ WRITE_ONCE(desc->ctrl, cpu_to_le32(ctrl));
+
+ mtk_wed_wo_queue_kick(wo, q, q->head);
+ mtk_wed_wo_kickout(wo);
+out:
+ spin_unlock_bh(&q->lock);
+
+ dev_kfree_skb(skb);
+
+ return ret;
+}
+
+static int
+mtk_wed_wo_exception_init(struct mtk_wed_wo *wo)
+{
+ return 0;
+}
+
+static int
+mtk_wed_wo_hardware_init(struct mtk_wed_wo *wo)
+{
+ struct mtk_wed_wo_queue_regs regs;
+ struct device_node *np;
+ int ret;
+
+ np = of_parse_phandle(wo->hw->node, "mediatek,wo-ccif", 0);
+ if (!np)
+ return -ENODEV;
+
+ wo->mmio.regs = syscon_regmap_lookup_by_phandle(np, NULL);
+ if (IS_ERR_OR_NULL(wo->mmio.regs))
+ return PTR_ERR(wo->mmio.regs);
+
+ wo->mmio.irq = irq_of_parse_and_map(np, 0);
+ wo->mmio.irq_mask = MTK_WED_WO_ALL_INT_MASK;
+ spin_lock_init(&wo->mmio.lock);
+ tasklet_setup(&wo->mmio.irq_tasklet, mtk_wed_wo_irq_tasklet);
+
+ ret = devm_request_irq(wo->hw->dev, wo->mmio.irq,
+ mtk_wed_wo_irq_handler, IRQF_TRIGGER_HIGH,
+ KBUILD_MODNAME, wo);
+ if (ret)
+ goto error;
+
+ regs.desc_base = MTK_WED_WO_CCIF_DUMMY1;
+ regs.ring_size = MTK_WED_WO_CCIF_DUMMY2;
+ regs.dma_idx = MTK_WED_WO_CCIF_SHADOW4;
+ regs.cpu_idx = MTK_WED_WO_CCIF_DUMMY3;
+
+ ret = mtk_wed_wo_queue_alloc(wo, &wo->q_tx, MTK_WED_WO_RING_SIZE,
+ MTK_WED_WO_CMD_LEN, MTK_WED_WO_TXCH_NUM,
+ &regs);
+ if (ret)
+ goto error;
+
+ mtk_wed_wo_queue_refill(wo, &wo->q_tx, GFP_KERNEL, false);
+ mtk_wed_wo_queue_reset(wo, &wo->q_tx);
+
+ regs.desc_base = MTK_WED_WO_CCIF_DUMMY5;
+ regs.ring_size = MTK_WED_WO_CCIF_DUMMY6;
+ regs.dma_idx = MTK_WED_WO_CCIF_SHADOW8;
+ regs.cpu_idx = MTK_WED_WO_CCIF_DUMMY7;
+
+ ret = mtk_wed_wo_queue_alloc(wo, &wo->q_rx, MTK_WED_WO_RING_SIZE,
+ MTK_WED_WO_CMD_LEN, MTK_WED_WO_RXCH_NUM,
+ &regs);
+ if (ret)
+ goto error;
+
+ mtk_wed_wo_queue_refill(wo, &wo->q_rx, GFP_KERNEL, true);
+ mtk_wed_wo_queue_reset(wo, &wo->q_rx);
+
+ /* rx queue irqmask */
+ mtk_wed_wo_set_isr(wo, wo->mmio.irq_mask);
+
+ return 0;
+
+error:
+ devm_free_irq(wo->hw->dev, wo->mmio.irq, wo);
+
+ return ret;
+}
+
+static void
+mtk_wed_wo_hw_deinit(struct mtk_wed_wo *wo)
+{
+ /* disable interrupts */
+ mtk_wed_wo_set_isr(wo, 0);
+
+ tasklet_disable(&wo->mmio.irq_tasklet);
+
+ disable_irq(wo->mmio.irq);
+ devm_free_irq(wo->hw->dev, wo->mmio.irq, wo);
+
+ mtk_wed_wo_queue_tx_clean(wo, &wo->q_tx);
+ mtk_wed_wo_queue_rx_clean(wo, &wo->q_rx);
+ mtk_wed_wo_queue_free(wo, &wo->q_tx);
+ mtk_wed_wo_queue_free(wo, &wo->q_rx);
+}
+
+int mtk_wed_wo_init(struct mtk_wed_hw *hw)
+{
+ struct mtk_wed_wo *wo;
+ int ret;
+
+ wo = devm_kzalloc(hw->dev, sizeof(*wo), GFP_KERNEL);
+ if (!wo)
+ return -ENOMEM;
+
+ hw->wed_wo = wo;
+ wo->hw = hw;
+
+ ret = mtk_wed_wo_hardware_init(wo);
+ if (ret)
+ return ret;
+
+ ret = mtk_wed_mcu_init(wo);
+ if (ret)
+ return ret;
+
+ return mtk_wed_wo_exception_init(wo);
+}
+
+void mtk_wed_wo_deinit(struct mtk_wed_hw *hw)
+{
+ struct mtk_wed_wo *wo = hw->wed_wo;
+
+ mtk_wed_wo_hw_deinit(wo);
+}
diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.h b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
new file mode 100644
index 000000000000..c8fb85795864
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
@@ -0,0 +1,282 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) 2022 Lorenzo Bianconi <lorenzo@kernel.org> */
+
+#ifndef __MTK_WED_WO_H
+#define __MTK_WED_WO_H
+
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+
+struct mtk_wed_hw;
+
+struct mtk_wed_mcu_hdr {
+ /* DW0 */
+ u8 version;
+ u8 cmd;
+ __le16 length;
+
+ /* DW1 */
+ __le16 seq;
+ __le16 flag;
+
+ /* DW2 */
+ __le32 status;
+
+ /* DW3 */
+ u8 rsv[20];
+};
+
+struct mtk_wed_wo_log_info {
+ __le32 sn;
+ __le32 total;
+ __le32 rro;
+ __le32 mod;
+};
+
+enum mtk_wed_wo_event {
+ MTK_WED_WO_EVT_LOG_DUMP = 0x1,
+ MTK_WED_WO_EVT_PROFILING = 0x2,
+ MTK_WED_WO_EVT_RXCNT_INFO = 0x3,
+};
+
+#define MTK_WED_MODULE_ID_WO 1
+#define MTK_FW_DL_TIMEOUT 4000000 /* us */
+#define MTK_WOCPU_TIMEOUT 2000000 /* us */
+
+enum {
+ MTK_WED_WARP_CMD_FLAG_RSP = BIT(0),
+ MTK_WED_WARP_CMD_FLAG_NEED_RSP = BIT(1),
+ MTK_WED_WARP_CMD_FLAG_FROM_TO_WO = BIT(2),
+};
+
+#define MTK_WED_WO_CPU_MCUSYS_RESET_ADDR 0x15194050
+#define MTK_WED_WO_CPU_WO0_MCUSYS_RESET_MASK 0x20
+#define MTK_WED_WO_CPU_WO1_MCUSYS_RESET_MASK 0x1
+
+enum {
+ MTK_WED_WO_REGION_EMI,
+ MTK_WED_WO_REGION_ILM,
+ MTK_WED_WO_REGION_DATA,
+ MTK_WED_WO_REGION_BOOT,
+ __MTK_WED_WO_REGION_MAX,
+};
+
+enum mtk_wed_wo_state {
+ MTK_WED_WO_STATE_UNDEFINED,
+ MTK_WED_WO_STATE_INIT,
+ MTK_WED_WO_STATE_ENABLE,
+ MTK_WED_WO_STATE_DISABLE,
+ MTK_WED_WO_STATE_HALT,
+ MTK_WED_WO_STATE_GATING,
+ MTK_WED_WO_STATE_SER_RESET,
+ MTK_WED_WO_STATE_WF_RESET,
+};
+
+enum mtk_wed_wo_done_state {
+ MTK_WED_WOIF_UNDEFINED,
+ MTK_WED_WOIF_DISABLE_DONE,
+ MTK_WED_WOIF_TRIGGER_ENABLE,
+ MTK_WED_WOIF_ENABLE_DONE,
+ MTK_WED_WOIF_TRIGGER_GATING,
+ MTK_WED_WOIF_GATING_DONE,
+ MTK_WED_WOIF_TRIGGER_HALT,
+ MTK_WED_WOIF_HALT_DONE,
+};
+
+enum mtk_wed_dummy_cr_idx {
+ MTK_WED_DUMMY_CR_FWDL,
+ MTK_WED_DUMMY_CR_WO_STATUS,
+};
+
+#define MT7986_FIRMWARE_WO0 "mediatek/mt7986_wo_0.bin"
+#define MT7986_FIRMWARE_WO1 "mediatek/mt7986_wo_1.bin"
+
+#define MTK_WO_MCU_CFG_LS_BASE 0
+#define MTK_WO_MCU_CFG_LS_HW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x000)
+#define MTK_WO_MCU_CFG_LS_FW_VER_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x004)
+#define MTK_WO_MCU_CFG_LS_CFG_DBG1_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x00c)
+#define MTK_WO_MCU_CFG_LS_CFG_DBG2_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x010)
+#define MTK_WO_MCU_CFG_LS_WF_MCCR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x014)
+#define MTK_WO_MCU_CFG_LS_WF_MCCR_SET_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x018)
+#define MTK_WO_MCU_CFG_LS_WF_MCCR_CLR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x01c)
+#define MTK_WO_MCU_CFG_LS_WF_MCU_CFG_WM_WA_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x050)
+#define MTK_WO_MCU_CFG_LS_WM_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x060)
+#define MTK_WO_MCU_CFG_LS_WA_BOOT_ADDR_ADDR (MTK_WO_MCU_CFG_LS_BASE + 0x064)
+
+#define MTK_WO_MCU_CFG_LS_WF_WM_WA_WM_CPU_RSTB_MASK BIT(5)
+#define MTK_WO_MCU_CFG_LS_WF_WM_WA_WA_CPU_RSTB_MASK BIT(0)
+
+#define MTK_WED_WO_RING_SIZE 256
+#define MTK_WED_WO_CMD_LEN 1504
+
+#define MTK_WED_WO_TXCH_NUM 0
+#define MTK_WED_WO_RXCH_NUM 1
+#define MTK_WED_WO_RXCH_WO_EXCEPTION 7
+
+#define MTK_WED_WO_TXCH_INT_MASK BIT(0)
+#define MTK_WED_WO_RXCH_INT_MASK BIT(1)
+#define MTK_WED_WO_EXCEPTION_INT_MASK BIT(7)
+#define MTK_WED_WO_ALL_INT_MASK (MTK_WED_WO_RXCH_INT_MASK | \
+ MTK_WED_WO_EXCEPTION_INT_MASK)
+
+#define MTK_WED_WO_CCIF_BUSY 0x004
+#define MTK_WED_WO_CCIF_START 0x008
+#define MTK_WED_WO_CCIF_TCHNUM 0x00c
+#define MTK_WED_WO_CCIF_RCHNUM 0x010
+#define MTK_WED_WO_CCIF_RCHNUM_MASK GENMASK(7, 0)
+
+#define MTK_WED_WO_CCIF_ACK 0x014
+#define MTK_WED_WO_CCIF_IRQ0_MASK 0x018
+#define MTK_WED_WO_CCIF_IRQ1_MASK 0x01c
+#define MTK_WED_WO_CCIF_DUMMY1 0x020
+#define MTK_WED_WO_CCIF_DUMMY2 0x024
+#define MTK_WED_WO_CCIF_DUMMY3 0x028
+#define MTK_WED_WO_CCIF_DUMMY4 0x02c
+#define MTK_WED_WO_CCIF_SHADOW1 0x030
+#define MTK_WED_WO_CCIF_SHADOW2 0x034
+#define MTK_WED_WO_CCIF_SHADOW3 0x038
+#define MTK_WED_WO_CCIF_SHADOW4 0x03c
+#define MTK_WED_WO_CCIF_DUMMY5 0x050
+#define MTK_WED_WO_CCIF_DUMMY6 0x054
+#define MTK_WED_WO_CCIF_DUMMY7 0x058
+#define MTK_WED_WO_CCIF_DUMMY8 0x05c
+#define MTK_WED_WO_CCIF_SHADOW5 0x060
+#define MTK_WED_WO_CCIF_SHADOW6 0x064
+#define MTK_WED_WO_CCIF_SHADOW7 0x068
+#define MTK_WED_WO_CCIF_SHADOW8 0x06c
+
+#define MTK_WED_WO_CTL_SD_LEN1 GENMASK(13, 0)
+#define MTK_WED_WO_CTL_LAST_SEC1 BIT(14)
+#define MTK_WED_WO_CTL_BURST BIT(15)
+#define MTK_WED_WO_CTL_SD_LEN0_SHIFT 16
+#define MTK_WED_WO_CTL_SD_LEN0 GENMASK(29, 16)
+#define MTK_WED_WO_CTL_LAST_SEC0 BIT(30)
+#define MTK_WED_WO_CTL_DMA_DONE BIT(31)
+#define MTK_WED_WO_INFO_WINFO GENMASK(15, 0)
+
+struct mtk_wed_wo_memory_region {
+ const char *name;
+ void __iomem *addr;
+ phys_addr_t phy_addr;
+ u32 size;
+ bool shared:1;
+ bool consumed:1;
+};
+
+struct mtk_wed_fw_region {
+ __le32 decomp_crc;
+ __le32 decomp_len;
+ __le32 decomp_blk_sz;
+ u8 rsv0[4];
+ __le32 addr;
+ __le32 len;
+ u8 feature_set;
+ u8 rsv1[15];
+} __packed;
+
+struct mtk_wed_fw_trailer {
+ u8 chip_id;
+ u8 eco_code;
+ u8 num_region;
+ u8 format_ver;
+ u8 format_flag;
+ u8 rsv[2];
+ char fw_ver[10];
+ char build_date[15];
+ u32 crc;
+};
+
+struct mtk_wed_wo_queue_regs {
+ u32 desc_base;
+ u32 ring_size;
+ u32 cpu_idx;
+ u32 dma_idx;
+};
+
+struct mtk_wed_wo_queue_desc {
+ __le32 buf0;
+ __le32 ctrl;
+ __le32 buf1;
+ __le32 info;
+ __le32 reserved[4];
+} __packed __aligned(32);
+
+struct mtk_wed_wo_queue_entry {
+ dma_addr_t addr;
+ void *buf;
+ u32 len;
+};
+
+struct mtk_wed_wo_queue {
+ struct mtk_wed_wo_queue_regs regs;
+
+ struct page_frag_cache cache;
+ spinlock_t lock;
+
+ struct mtk_wed_wo_queue_desc *desc;
+ dma_addr_t desc_dma;
+
+ struct mtk_wed_wo_queue_entry *entry;
+
+ u16 head;
+ u16 tail;
+ int n_desc;
+ int queued;
+ int buf_size;
+
+};
+
+struct mtk_wed_wo {
+ struct mtk_wed_hw *hw;
+ struct mtk_wed_wo_memory_region boot;
+
+ struct mtk_wed_wo_queue q_tx;
+ struct mtk_wed_wo_queue q_rx;
+
+ struct {
+ struct mutex mutex;
+ int timeout;
+ u16 seq;
+
+ struct sk_buff_head res_q;
+ wait_queue_head_t wait;
+ } mcu;
+
+ struct {
+ struct regmap *regs;
+
+ spinlock_t lock;
+ struct tasklet_struct irq_tasklet;
+ int irq;
+ u32 irq_mask;
+ } mmio;
+};
+
+static inline int
+mtk_wed_mcu_check_msg(struct mtk_wed_wo *wo, struct sk_buff *skb)
+{
+ struct mtk_wed_mcu_hdr *hdr = (struct mtk_wed_mcu_hdr *)skb->data;
+
+ if (hdr->version)
+ return -EINVAL;
+
+ if (skb->len < sizeof(*hdr) || skb->len != le16_to_cpu(hdr->length))
+ return -EINVAL;
+
+ return 0;
+}
+
+void mtk_wed_mcu_rx_event(struct mtk_wed_wo *wo, struct sk_buff *skb);
+void mtk_wed_mcu_rx_unsolicited_event(struct mtk_wed_wo *wo,
+ struct sk_buff *skb);
+int mtk_wed_mcu_send_msg(struct mtk_wed_wo *wo, int id, int cmd,
+ const void *data, int len, bool wait_resp);
+int mtk_wed_mcu_msg_update(struct mtk_wed_device *dev, int id, void *data,
+ int len);
+int mtk_wed_mcu_init(struct mtk_wed_wo *wo);
+int mtk_wed_wo_init(struct mtk_wed_hw *hw);
+void mtk_wed_wo_deinit(struct mtk_wed_hw *hw);
+int mtk_wed_wo_queue_tx_skb(struct mtk_wed_wo *dev, struct mtk_wed_wo_queue *q,
+ struct sk_buff *skb);
+
+#endif /* __MTK_WED_WO_H */
diff --git a/include/linux/soc/mediatek/mtk_wed.h b/include/linux/soc/mediatek/mtk_wed.h
index 4450c8b7a1cb..8294978f4bca 100644
--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -5,27 +5,76 @@
#include <linux/rcupdate.h>
#include <linux/regmap.h>
#include <linux/pci.h>
+#include <linux/skbuff.h>
#define MTK_WED_TX_QUEUES 2
+#define MTK_WED_RX_QUEUES 2
+
+#define WED_WO_STA_REC 0x6
struct mtk_wed_hw;
struct mtk_wdma_desc;
+enum mtk_wed_wo_cmd {
+ MTK_WED_WO_CMD_WED_CFG,
+ MTK_WED_WO_CMD_WED_RX_STAT,
+ MTK_WED_WO_CMD_RRO_SER,
+ MTK_WED_WO_CMD_DBG_INFO,
+ MTK_WED_WO_CMD_DEV_INFO,
+ MTK_WED_WO_CMD_BSS_INFO,
+ MTK_WED_WO_CMD_STA_REC,
+ MTK_WED_WO_CMD_DEV_INFO_DUMP,
+ MTK_WED_WO_CMD_BSS_INFO_DUMP,
+ MTK_WED_WO_CMD_STA_REC_DUMP,
+ MTK_WED_WO_CMD_BA_INFO_DUMP,
+ MTK_WED_WO_CMD_FBCMD_Q_DUMP,
+ MTK_WED_WO_CMD_FW_LOG_CTRL,
+ MTK_WED_WO_CMD_LOG_FLUSH,
+ MTK_WED_WO_CMD_CHANGE_STATE,
+ MTK_WED_WO_CMD_CPU_STATS_ENABLE,
+ MTK_WED_WO_CMD_CPU_STATS_DUMP,
+ MTK_WED_WO_CMD_EXCEPTION_INIT,
+ MTK_WED_WO_CMD_PROF_CTRL,
+ MTK_WED_WO_CMD_STA_BA_DUMP,
+ MTK_WED_WO_CMD_BA_CTRL_DUMP,
+ MTK_WED_WO_CMD_RXCNT_CTRL,
+ MTK_WED_WO_CMD_RXCNT_INFO,
+ MTK_WED_WO_CMD_SET_CAP,
+ MTK_WED_WO_CMD_CCIF_RING_DUMP,
+ MTK_WED_WO_CMD_WED_END
+};
+
+struct mtk_rxbm_desc {
+ __le32 buf0;
+ __le32 token;
+} __packed __aligned(4);
+
enum mtk_wed_bus_tye {
MTK_WED_BUS_PCIE,
MTK_WED_BUS_AXI,
};
+#define MTK_WED_RING_CONFIGURED BIT(0)
struct mtk_wed_ring {
struct mtk_wdma_desc *desc;
dma_addr_t desc_phys;
u32 desc_size;
int size;
+ u32 flags;
u32 reg_base;
void __iomem *wpdma;
};
+struct mtk_wed_wo_rx_stats {
+ __le16 wlan_idx;
+ __le16 tid;
+ __le32 rx_pkt_cnt;
+ __le32 rx_byte_cnt;
+ __le32 rx_err_cnt;
+ __le32 rx_drop_cnt;
+};
+
struct mtk_wed_device {
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
const struct mtk_wed_ops *ops;
@@ -34,17 +83,33 @@ struct mtk_wed_device {
bool init_done, running;
int wdma_idx;
int irq;
+ u8 version;
struct mtk_wed_ring tx_ring[MTK_WED_TX_QUEUES];
+ struct mtk_wed_ring rx_ring[MTK_WED_RX_QUEUES];
struct mtk_wed_ring txfree_ring;
struct mtk_wed_ring tx_wdma[MTK_WED_TX_QUEUES];
+ struct mtk_wed_ring rx_wdma[MTK_WED_RX_QUEUES];
struct {
int size;
void **pages;
struct mtk_wdma_desc *desc;
dma_addr_t desc_phys;
- } buf_ring;
+ } tx_buf_ring;
+
+ struct {
+ int size;
+ struct page_frag_cache rx_page;
+ struct mtk_rxbm_desc *desc;
+ dma_addr_t desc_phys;
+ } rx_buf_ring;
+
+ struct {
+ struct mtk_wed_ring ring;
+ dma_addr_t miod_phys;
+ dma_addr_t fdbk_phys;
+ } rro;
/* filled by driver: */
struct {
@@ -53,22 +118,36 @@ struct mtk_wed_device {
struct pci_dev *pci_dev;
};
enum mtk_wed_bus_tye bus_type;
+ void __iomem *base;
+ u32 phy_base;
u32 wpdma_phys;
u32 wpdma_int;
u32 wpdma_mask;
u32 wpdma_tx;
u32 wpdma_txfree;
+ u32 wpdma_rx_glo;
+ u32 wpdma_rx;
+
+ bool wcid_512;
u16 token_start;
unsigned int nbuf;
+ unsigned int rx_nbuf;
+ unsigned int rx_npkt;
+ unsigned int rx_size;
u8 tx_tbit[MTK_WED_TX_QUEUES];
+ u8 rx_tbit[MTK_WED_RX_QUEUES];
u8 txfree_tbit;
u32 (*init_buf)(void *ptr, dma_addr_t phys, int token_id);
int (*offload_enable)(struct mtk_wed_device *wed);
void (*offload_disable)(struct mtk_wed_device *wed);
+ u32 (*init_rx_buf)(struct mtk_wed_device *wed, int size);
+ void (*release_rx_buf)(struct mtk_wed_device *wed);
+ void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
+ struct mtk_wed_wo_rx_stats *stats);
} wlan;
#endif
};
@@ -77,9 +156,15 @@ struct mtk_wed_ops {
int (*attach)(struct mtk_wed_device *dev);
int (*tx_ring_setup)(struct mtk_wed_device *dev, int ring,
void __iomem *regs);
+ int (*rx_ring_setup)(struct mtk_wed_device *dev, int ring,
+ void __iomem *regs);
int (*txfree_ring_setup)(struct mtk_wed_device *dev,
void __iomem *regs);
+ int (*msg_update)(struct mtk_wed_device *dev, int cmd_id,
+ void *data, int len);
void (*detach)(struct mtk_wed_device *dev);
+ void (*ppe_check)(struct mtk_wed_device *dev, struct sk_buff *skb,
+ u32 reason, u32 hash);
void (*stop)(struct mtk_wed_device *dev);
void (*start)(struct mtk_wed_device *dev, u32 irq_mask);
@@ -114,6 +199,16 @@ mtk_wed_device_attach(struct mtk_wed_device *dev)
return ret;
}
+static inline bool
+mtk_wed_get_rx_capa(struct mtk_wed_device *dev)
+{
+#ifdef CONFIG_NET_MEDIATEK_SOC_WED
+ return dev->version != 1;
+#else
+ return false;
+#endif
+}
+
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
#define mtk_wed_device_active(_dev) !!(_dev)->ops
#define mtk_wed_device_detach(_dev) (_dev)->ops->detach(_dev)
@@ -130,6 +225,12 @@ mtk_wed_device_attach(struct mtk_wed_device *dev)
(_dev)->ops->irq_get(_dev, _mask)
#define mtk_wed_device_irq_set_mask(_dev, _mask) \
(_dev)->ops->irq_set_mask(_dev, _mask)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) \
+ (_dev)->ops->rx_ring_setup(_dev, _ring, _regs)
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) \
+ (_dev)->ops->ppe_check(_dev, _skb, _reason, _hash)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) \
+ (_dev)->ops->msg_update(_dev, _id, _msg, _len)
#else
static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
{
@@ -143,6 +244,9 @@ static inline bool mtk_wed_device_active(struct mtk_wed_device *dev)
#define mtk_wed_device_reg_write(_dev, _reg, _val) do {} while (0)
#define mtk_wed_device_irq_get(_dev, _mask) 0
#define mtk_wed_device_irq_set_mask(_dev, _mask) do {} while (0)
+#define mtk_wed_device_rx_ring_setup(_dev, _ring, _regs) -ENODEV
+#define mtk_wed_device_ppe_check(_dev, _skb, _reason, _hash) do {} while (0)
+#define mtk_wed_device_update_msg(_dev, _id, _msg, _len) -ENODEV
#endif
#endif
generated by cgit (git 2.34.1) at 2026-01-06 15:16:04 +0000