| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| John Crispin | 1002 | 42.67% | 9 | 23.08% |
| Sean Wang | 544 | 23.17% | 14 | 35.90% |
| René van Dorst | 336 | 14.31% | 4 | 10.26% |
| Nelson Chang | 320 | 13.63% | 5 | 12.82% |
| Stefan Roese | 131 | 5.58% | 3 | 7.69% |
| Björn Mork | 8 | 0.34% | 1 | 2.56% |
| Elena Reshetova | 4 | 0.17% | 1 | 2.56% |
| Thomas Gleixner | 2 | 0.09% | 1 | 2.56% |
| Joe Perches | 1 | 0.04% | 1 | 2.56% |
| Total | 2348 | 39 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> */ #ifndef MTK_ETH_H #define MTK_ETH_H #include <linux/dma-mapping.h> #include <linux/netdevice.h> #include <linux/of_net.h> #include <linux/u64_stats_sync.h> #include <linux/refcount.h> #include <linux/phylink.h> #define MTK_QDMA_PAGE_SIZE 2048 #define MTK_MAX_RX_LENGTH 1536 #define MTK_TX_DMA_BUF_LEN 0x3fff #define MTK_DMA_SIZE 256 #define MTK_NAPI_WEIGHT 64 #define MTK_MAC_COUNT 2 #define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) #define MTK_DMA_DUMMY_DESC 0xffffffff #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \ NETIF_MSG_PROBE | \ NETIF_MSG_LINK | \ NETIF_MSG_TIMER | \ NETIF_MSG_IFDOWN | \ NETIF_MSG_IFUP | \ NETIF_MSG_RX_ERR | \ NETIF_MSG_TX_ERR) #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \ NETIF_F_RXCSUM | \ NETIF_F_HW_VLAN_CTAG_TX | \ NETIF_F_HW_VLAN_CTAG_RX | \ NETIF_F_SG | NETIF_F_TSO | \ NETIF_F_TSO6 | \ NETIF_F_IPV6_CSUM) #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM) #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) #define MTK_MAX_RX_RING_NUM 4 #define MTK_HW_LRO_DMA_SIZE 8 #define MTK_MAX_LRO_RX_LENGTH (4096 * 3) #define MTK_MAX_LRO_IP_CNT 2 #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */ #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */ #define MTK_HW_LRO_AGG_TIME 10 /* 200us */ #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */ #define MTK_HW_LRO_MAX_AGG_CNT 64 #define MTK_HW_LRO_BW_THRE 3000 #define MTK_HW_LRO_REPLACE_DELTA 1000 #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522 /* Frame Engine Global Reset Register */ #define MTK_RST_GL 0x04 #define RST_GL_PSE BIT(0) /* Frame Engine Interrupt Status Register */ #define MTK_INT_STATUS2 0x08 #define MTK_GDM1_AF BIT(28) #define MTK_GDM2_AF BIT(29) /* PDMA HW LRO Alter Flow Timer Register */ #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c /* Frame Engine Interrupt Grouping Register */ #define MTK_FE_INT_GRP 0x20 /* CDMP Ingress Control Register */ #define MTK_CDMQ_IG_CTRL 0x1400 #define MTK_CDMQ_STAG_EN BIT(0) /* CDMP Exgress Control Register */ #define MTK_CDMP_EG_CTRL 0x404 /* GDM Exgress Control Register */ #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000)) #define MTK_GDMA_ICS_EN BIT(22) #define MTK_GDMA_TCS_EN BIT(21) #define MTK_GDMA_UCS_EN BIT(20) /* Unicast Filter MAC Address Register - Low */ #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) /* Unicast Filter MAC Address Register - High */ #define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000)) /* PDMA RX Base Pointer Register */ #define MTK_PRX_BASE_PTR0 0x900 #define MTK_PRX_BASE_PTR_CFG(x) (MTK_PRX_BASE_PTR0 + (x * 0x10)) /* PDMA RX Maximum Count Register */ #define MTK_PRX_MAX_CNT0 0x904 #define MTK_PRX_MAX_CNT_CFG(x) (MTK_PRX_MAX_CNT0 + (x * 0x10)) /* PDMA RX CPU Pointer Register */ #define MTK_PRX_CRX_IDX0 0x908 #define MTK_PRX_CRX_IDX_CFG(x) (MTK_PRX_CRX_IDX0 + (x * 0x10)) /* PDMA HW LRO Control Registers */ #define MTK_PDMA_LRO_CTRL_DW0 0x980 #define MTK_LRO_EN BIT(0) #define MTK_L3_CKS_UPD_EN BIT(7) #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21) #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26) #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29) #define MTK_PDMA_LRO_CTRL_DW1 0x984 #define MTK_PDMA_LRO_CTRL_DW2 0x988 #define MTK_PDMA_LRO_CTRL_DW3 0x98c #define MTK_ADMA_MODE BIT(15) #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16) /* PDMA Global Configuration Register */ #define MTK_PDMA_GLO_CFG 0xa04 #define MTK_MULTI_EN BIT(10) #define MTK_PDMA_SIZE_8DWORDS (1 << 4) /* PDMA Reset Index Register */ #define MTK_PDMA_RST_IDX 0xa08 #define MTK_PST_DRX_IDX0 BIT(16) #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x)) /* PDMA Delay Interrupt Register */ #define MTK_PDMA_DELAY_INT 0xa0c #define MTK_PDMA_DELAY_RX_EN BIT(15) #define MTK_PDMA_DELAY_RX_PINT 4 #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8 #define MTK_PDMA_DELAY_RX_PTIME 4 #define MTK_PDMA_DELAY_RX_DELAY \ (MTK_PDMA_DELAY_RX_EN | MTK_PDMA_DELAY_RX_PTIME | \ (MTK_PDMA_DELAY_RX_PINT << MTK_PDMA_DELAY_RX_PINT_SHIFT)) /* PDMA Interrupt Status Register */ #define MTK_PDMA_INT_STATUS 0xa20 /* PDMA Interrupt Mask Register */ #define MTK_PDMA_INT_MASK 0xa28 /* PDMA HW LRO Alter Flow Delta Register */ #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c /* PDMA Interrupt grouping registers */ #define MTK_PDMA_INT_GRP1 0xa50 #define MTK_PDMA_INT_GRP2 0xa54 /* PDMA HW LRO IP Setting Registers */ #define MTK_LRO_RX_RING0_DIP_DW0 0xb04 #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40)) #define MTK_RING_MYIP_VLD BIT(9) /* PDMA HW LRO Ring Control Registers */ #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28 #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30 #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40)) #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40)) #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40)) #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22) #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f) #define MTK_RING_AUTO_LERAN_MODE (3 << 6) #define MTK_RING_VLD BIT(8) #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10) #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26) #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3) /* QDMA TX Queue Configuration Registers */ #define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) #define QDMA_RES_THRES 4 /* QDMA TX Queue Scheduler Registers */ #define MTK_QTX_SCH(x) (0x1804 + (x * 0x10)) /* QDMA RX Base Pointer Register */ #define MTK_QRX_BASE_PTR0 0x1900 /* QDMA RX Maximum Count Register */ #define MTK_QRX_MAX_CNT0 0x1904 /* QDMA RX CPU Pointer Register */ #define MTK_QRX_CRX_IDX0 0x1908 /* QDMA RX DMA Pointer Register */ #define MTK_QRX_DRX_IDX0 0x190C /* QDMA Global Configuration Register */ #define MTK_QDMA_GLO_CFG 0x1A04 #define MTK_RX_2B_OFFSET BIT(31) #define MTK_RX_BT_32DWORDS (3 << 11) #define MTK_NDP_CO_PRO BIT(10) #define MTK_TX_WB_DDONE BIT(6) #define MTK_DMA_SIZE_16DWORDS (2 << 4) #define MTK_RX_DMA_BUSY BIT(3) #define MTK_TX_DMA_BUSY BIT(1) #define MTK_RX_DMA_EN BIT(2) #define MTK_TX_DMA_EN BIT(0) #define MTK_DMA_BUSY_TIMEOUT HZ /* QDMA Reset Index Register */ #define MTK_QDMA_RST_IDX 0x1A08 /* QDMA Delay Interrupt Register */ #define MTK_QDMA_DELAY_INT 0x1A0C /* QDMA Flow Control Register */ #define MTK_QDMA_FC_THRES 0x1A10 #define FC_THRES_DROP_MODE BIT(20) #define FC_THRES_DROP_EN (7 << 16) #define FC_THRES_MIN 0x4444 /* QDMA Interrupt Status Register */ #define MTK_QDMA_INT_STATUS 0x1A18 #define MTK_RX_DONE_DLY BIT(30) #define MTK_RX_DONE_INT3 BIT(19) #define MTK_RX_DONE_INT2 BIT(18) #define MTK_RX_DONE_INT1 BIT(17) #define MTK_RX_DONE_INT0 BIT(16) #define MTK_TX_DONE_INT3 BIT(3) #define MTK_TX_DONE_INT2 BIT(2) #define MTK_TX_DONE_INT1 BIT(1) #define MTK_TX_DONE_INT0 BIT(0) #define MTK_RX_DONE_INT MTK_RX_DONE_DLY #define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) /* QDMA Interrupt grouping registers */ #define MTK_QDMA_INT_GRP1 0x1a20 #define MTK_QDMA_INT_GRP2 0x1a24 #define MTK_RLS_DONE_INT BIT(0) /* QDMA Interrupt Status Register */ #define MTK_QDMA_INT_MASK 0x1A1C /* QDMA Interrupt Mask Register */ #define MTK_QDMA_HRED2 0x1A44 /* QDMA TX Forward CPU Pointer Register */ #define MTK_QTX_CTX_PTR 0x1B00 /* QDMA TX Forward DMA Pointer Register */ #define MTK_QTX_DTX_PTR 0x1B04 /* QDMA TX Release CPU Pointer Register */ #define MTK_QTX_CRX_PTR 0x1B10 /* QDMA TX Release DMA Pointer Register */ #define MTK_QTX_DRX_PTR 0x1B14 /* QDMA FQ Head Pointer Register */ #define MTK_QDMA_FQ_HEAD 0x1B20 /* QDMA FQ Head Pointer Register */ #define MTK_QDMA_FQ_TAIL 0x1B24 /* QDMA FQ Free Page Counter Register */ #define MTK_QDMA_FQ_CNT 0x1B28 /* QDMA FQ Free Page Buffer Length Register */ #define MTK_QDMA_FQ_BLEN 0x1B2C /* GMA1 Received Good Byte Count Register */ #define MTK_GDM1_TX_GBCNT 0x2400 #define MTK_STAT_OFFSET 0x40 /* QDMA descriptor txd4 */ #define TX_DMA_CHKSUM (0x7 << 29) #define TX_DMA_TSO BIT(28) #define TX_DMA_FPORT_SHIFT 25 #define TX_DMA_FPORT_MASK 0x7 #define TX_DMA_INS_VLAN BIT(16) /* QDMA descriptor txd3 */ #define TX_DMA_OWNER_CPU BIT(31) #define TX_DMA_LS0 BIT(30) #define TX_DMA_PLEN0(_x) (((_x) & MTK_TX_DMA_BUF_LEN) << 16) #define TX_DMA_PLEN1(_x) ((_x) & MTK_TX_DMA_BUF_LEN) #define TX_DMA_SWC BIT(14) #define TX_DMA_SDL(_x) (((_x) & 0x3fff) << 16) /* PDMA on MT7628 */ #define TX_DMA_DONE BIT(31) #define TX_DMA_LS1 BIT(14) #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) /* QDMA descriptor rxd2 */ #define RX_DMA_DONE BIT(31) #define RX_DMA_LSO BIT(30) #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) /* QDMA descriptor rxd3 */ #define RX_DMA_VID(_x) ((_x) & 0xfff) /* QDMA descriptor rxd4 */ #define RX_DMA_L4_VALID BIT(24) #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ #define RX_DMA_FPORT_SHIFT 19 #define RX_DMA_FPORT_MASK 0x7 /* PHY Indirect Access Control registers */ #define MTK_PHY_IAC 0x10004 #define PHY_IAC_ACCESS BIT(31) #define PHY_IAC_READ BIT(19) #define PHY_IAC_WRITE BIT(18) #define PHY_IAC_START BIT(16) #define PHY_IAC_ADDR_SHIFT 20 #define PHY_IAC_REG_SHIFT 25 #define PHY_IAC_TIMEOUT HZ #define MTK_MAC_MISC 0x1000c #define MTK_MUX_TO_ESW BIT(0) /* Mac control registers */ #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100)) #define MAC_MCR_MAX_RX_1536 BIT(24) #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) #define MAC_MCR_FORCE_MODE BIT(15) #define MAC_MCR_TX_EN BIT(14) #define MAC_MCR_RX_EN BIT(13) #define MAC_MCR_BACKOFF_EN BIT(9) #define MAC_MCR_BACKPR_EN BIT(8) #define MAC_MCR_FORCE_RX_FC BIT(5) #define MAC_MCR_FORCE_TX_FC BIT(4) #define MAC_MCR_SPEED_1000 BIT(3) #define MAC_MCR_SPEED_100 BIT(2) #define MAC_MCR_FORCE_DPX BIT(1) #define MAC_MCR_FORCE_LINK BIT(0) #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE) /* Mac status registers */ #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100)) #define MAC_MSR_EEE1G BIT(7) #define MAC_MSR_EEE100M BIT(6) #define MAC_MSR_RX_FC BIT(5) #define MAC_MSR_TX_FC BIT(4) #define MAC_MSR_SPEED_1000 BIT(3) #define MAC_MSR_SPEED_100 BIT(2) #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100) #define MAC_MSR_DPX BIT(1) #define MAC_MSR_LINK BIT(0) /* TRGMII RXC control register */ #define TRGMII_RCK_CTRL 0x10300 #define DQSI0(x) ((x << 0) & GENMASK(6, 0)) #define DQSI1(x) ((x << 8) & GENMASK(14, 8)) #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) #define RXC_DQSISEL BIT(30) #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16)) #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2) /* TRGMII RXC control register */ #define TRGMII_TCK_CTRL 0x10340 #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) #define TXC_INV BIT(30) #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2) #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2)) /* TRGMII Interface mode register */ #define INTF_MODE 0x10390 #define TRGMII_INTF_DIS BIT(0) #define TRGMII_MODE BIT(1) #define TRGMII_CENTRAL_ALIGNED BIT(2) #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED) #define INTF_MODE_RGMII_10_100 0 /* GPIO port control registers for GMAC 2*/ #define GPIO_OD33_CTRL8 0x4c0 #define GPIO_BIAS_CTRL 0xed0 #define GPIO_DRV_SEL10 0xf00 /* ethernet subsystem chip id register */ #define ETHSYS_CHIPID0_3 0x0 #define ETHSYS_CHIPID4_7 0x4 #define MT7623_ETH 7623 #define MT7622_ETH 7622 #define MT7621_ETH 7621 /* ethernet system control register */ #define ETHSYS_SYSCFG 0x10 #define SYSCFG_DRAM_TYPE_DDR2 BIT(4) /* ethernet subsystem config register */ #define ETHSYS_SYSCFG0 0x14 #define SYSCFG0_GE_MASK 0x3 #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2))) #define SYSCFG0_SGMII_MASK GENMASK(9, 8) #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK) #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK) #define SYSCFG0_SGMII_GMAC1_V2 BIT(9) #define SYSCFG0_SGMII_GMAC2_V2 BIT(8) /* ethernet subsystem clock register */ #define ETHSYS_CLKCFG0 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6)) #define ETHSYS_TRGMII_MT7621_APLL BIT(6) #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5) /* ethernet reset control register */ #define ETHSYS_RSTCTRL 0x34 #define RSTCTRL_FE BIT(6) #define RSTCTRL_PPE BIT(31) /* SGMII subsystem config registers */ /* Register to auto-negotiation restart */ #define SGMSYS_PCS_CONTROL_1 0x0 #define SGMII_AN_RESTART BIT(9) #define SGMII_ISOLATE BIT(10) #define SGMII_AN_ENABLE BIT(12) #define SGMII_LINK_STATYS BIT(18) #define SGMII_AN_ABILITY BIT(19) #define SGMII_AN_COMPLETE BIT(21) #define SGMII_PCS_FAULT BIT(23) #define SGMII_AN_EXPANSION_CLR BIT(30) /* Register to programmable link timer, the unit in 2 * 8ns */ #define SGMSYS_PCS_LINK_TIMER 0x18 #define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0)) /* Register to control remote fault */ #define SGMSYS_SGMII_MODE 0x20 #define SGMII_IF_MODE_BIT0 BIT(0) #define SGMII_SPEED_DUPLEX_AN BIT(1) #define SGMII_SPEED_10 0x0 #define SGMII_SPEED_100 BIT(2) #define SGMII_SPEED_1000 BIT(3) #define SGMII_DUPLEX_FULL BIT(4) #define SGMII_IF_MODE_BIT5 BIT(5) #define SGMII_REMOTE_FAULT_DIS BIT(8) #define SGMII_CODE_SYNC_SET_VAL BIT(9) #define SGMII_CODE_SYNC_SET_EN BIT(10) #define SGMII_SEND_AN_ERROR_EN BIT(11) #define SGMII_IF_MODE_MASK GENMASK(5, 1) /* Register to set SGMII speed, ANA RG_ Control Signals III*/ #define SGMSYS_ANA_RG_CS3 0x2028 #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) #define RG_PHY_SPEED_1_25G 0x0 #define RG_PHY_SPEED_3_125G BIT(2) /* Register to power up QPHY */ #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 #define SGMII_PHYA_PWD BIT(4) /* Infrasys subsystem config registers */ #define INFRA_MISC2 0x70c #define CO_QPHY_SEL BIT(0) #define GEPHY_MAC_SEL BIT(1) /* MT7628/88 specific stuff */ #define MT7628_PDMA_OFFSET 0x0800 #define MT7628_SDM_OFFSET 0x0c00 #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00) #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04) #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08) #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c) #define MT7628_PST_DTX_IDX0 BIT(0) #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c) #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10) struct mtk_rx_dma { unsigned int rxd1; unsigned int rxd2; unsigned int rxd3; unsigned int rxd4; } __packed __aligned(4); struct mtk_tx_dma { unsigned int txd1; unsigned int txd2; unsigned int txd3; unsigned int txd4; } __packed __aligned(4); struct mtk_eth; struct mtk_mac; /* struct mtk_hw_stats - the structure that holds the traffic statistics. * @stats_lock: make sure that stats operations are atomic * @reg_offset: the status register offset of the SoC * @syncp: the refcount * * All of the supported SoCs have hardware counters for traffic statistics. * Whenever the status IRQ triggers we can read the latest stats from these * counters and store them in this struct. */ struct mtk_hw_stats { u64 tx_bytes; u64 tx_packets; u64 tx_skip; u64 tx_collisions; u64 rx_bytes; u64 rx_packets; u64 rx_overflow; u64 rx_fcs_errors; u64 rx_short_errors; u64 rx_long_errors; u64 rx_checksum_errors; u64 rx_flow_control_packets; spinlock_t stats_lock; u32 reg_offset; struct u64_stats_sync syncp; }; enum mtk_tx_flags { /* PDMA descriptor can point at 1-2 segments. This enum allows us to * track how memory was allocated so that it can be freed properly. */ MTK_TX_FLAGS_SINGLE0 = 0x01, MTK_TX_FLAGS_PAGE0 = 0x02, /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted * SKB out instead of looking up through hardware TX descriptor. */ MTK_TX_FLAGS_FPORT0 = 0x04, MTK_TX_FLAGS_FPORT1 = 0x08, }; /* This enum allows us to identify how the clock is defined on the array of the * clock in the order */ enum mtk_clks_map { MTK_CLK_ETHIF, MTK_CLK_SGMIITOP, MTK_CLK_ESW, MTK_CLK_GP0, MTK_CLK_GP1, MTK_CLK_GP2, MTK_CLK_FE, MTK_CLK_TRGPLL, MTK_CLK_SGMII_TX_250M, MTK_CLK_SGMII_RX_250M, MTK_CLK_SGMII_CDR_REF, MTK_CLK_SGMII_CDR_FB, MTK_CLK_SGMII2_TX_250M, MTK_CLK_SGMII2_RX_250M, MTK_CLK_SGMII2_CDR_REF, MTK_CLK_SGMII2_CDR_FB, MTK_CLK_SGMII_CK, MTK_CLK_ETH2PLL, MTK_CLK_MAX }; #define MT7623_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ BIT(MTK_CLK_GP1) | BIT(MTK_CLK_GP2) | \ BIT(MTK_CLK_TRGPLL)) #define MT7622_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ BIT(MTK_CLK_GP2) | \ BIT(MTK_CLK_SGMII_TX_250M) | \ BIT(MTK_CLK_SGMII_RX_250M) | \ BIT(MTK_CLK_SGMII_CDR_REF) | \ BIT(MTK_CLK_SGMII_CDR_FB) | \ BIT(MTK_CLK_SGMII_CK) | \ BIT(MTK_CLK_ETH2PLL)) #define MT7621_CLKS_BITMAP (0) #define MT7628_CLKS_BITMAP (0) #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \ BIT(MTK_CLK_SGMII_TX_250M) | \ BIT(MTK_CLK_SGMII_RX_250M) | \ BIT(MTK_CLK_SGMII_CDR_REF) | \ BIT(MTK_CLK_SGMII_CDR_FB) | \ BIT(MTK_CLK_SGMII2_TX_250M) | \ BIT(MTK_CLK_SGMII2_RX_250M) | \ BIT(MTK_CLK_SGMII2_CDR_REF) | \ BIT(MTK_CLK_SGMII2_CDR_FB) | \ BIT(MTK_CLK_SGMII_CK) | \ BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP)) enum mtk_dev_state { MTK_HW_INIT, MTK_RESETTING }; /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at * by the TX descriptor s * @skb: The SKB pointer of the packet being sent * @dma_addr0: The base addr of the first segment * @dma_len0: The length of the first segment * @dma_addr1: The base addr of the second segment * @dma_len1: The length of the second segment */ struct mtk_tx_buf { struct sk_buff *skb; u32 flags; DEFINE_DMA_UNMAP_ADDR(dma_addr0); DEFINE_DMA_UNMAP_LEN(dma_len0); DEFINE_DMA_UNMAP_ADDR(dma_addr1); DEFINE_DMA_UNMAP_LEN(dma_len1); }; /* struct mtk_tx_ring - This struct holds info describing a TX ring * @dma: The descriptor ring * @buf: The memory pointed at by the ring * @phys: The physical addr of tx_buf * @next_free: Pointer to the next free descriptor * @last_free: Pointer to the last free descriptor * @thresh: The threshold of minimum amount of free descriptors * @free_count: QDMA uses a linked list. Track how many free descriptors * are present */ struct mtk_tx_ring { struct mtk_tx_dma *dma; struct mtk_tx_buf *buf; dma_addr_t phys; struct mtk_tx_dma *next_free; struct mtk_tx_dma *last_free; u16 thresh; atomic_t free_count; int dma_size; struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */ dma_addr_t phys_pdma; int cpu_idx; }; /* PDMA rx ring mode */ enum mtk_rx_flags { MTK_RX_FLAGS_NORMAL = 0, MTK_RX_FLAGS_HWLRO, MTK_RX_FLAGS_QDMA, }; /* struct mtk_rx_ring - This struct holds info describing a RX ring * @dma: The descriptor ring * @data: The memory pointed at by the ring * @phys: The physical addr of rx_buf * @frag_size: How big can each fragment be * @buf_size: The size of each packet buffer * @calc_idx: The current head of ring */ struct mtk_rx_ring { struct mtk_rx_dma *dma; u8 **data; dma_addr_t phys; u16 frag_size; u16 buf_size; u16 dma_size; bool calc_idx_update; u16 calc_idx; u32 crx_idx_reg; }; enum mkt_eth_capabilities { MTK_RGMII_BIT = 0, MTK_TRGMII_BIT, MTK_SGMII_BIT, MTK_ESW_BIT, MTK_GEPHY_BIT, MTK_MUX_BIT, MTK_INFRA_BIT, MTK_SHARED_SGMII_BIT, MTK_HWLRO_BIT, MTK_SHARED_INT_BIT, MTK_TRGMII_MT7621_CLK_BIT, MTK_QDMA_BIT, MTK_SOC_MT7628_BIT, /* MUX BITS*/ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT, MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT, MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT, MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT, /* PATH BITS */ MTK_ETH_PATH_GMAC1_RGMII_BIT, MTK_ETH_PATH_GMAC1_TRGMII_BIT, MTK_ETH_PATH_GMAC1_SGMII_BIT, MTK_ETH_PATH_GMAC2_RGMII_BIT, MTK_ETH_PATH_GMAC2_SGMII_BIT, MTK_ETH_PATH_GMAC2_GEPHY_BIT, MTK_ETH_PATH_GDM1_ESW_BIT, }; /* Supported hardware group on SoCs */ #define MTK_RGMII BIT(MTK_RGMII_BIT) #define MTK_TRGMII BIT(MTK_TRGMII_BIT) #define MTK_SGMII BIT(MTK_SGMII_BIT) #define MTK_ESW BIT(MTK_ESW_BIT) #define MTK_GEPHY BIT(MTK_GEPHY_BIT) #define MTK_MUX BIT(MTK_MUX_BIT) #define MTK_INFRA BIT(MTK_INFRA_BIT) #define MTK_SHARED_SGMII BIT(MTK_SHARED_SGMII_BIT) #define MTK_HWLRO BIT(MTK_HWLRO_BIT) #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT) #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) #define MTK_QDMA BIT(MTK_QDMA_BIT) #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \ BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT) #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \ BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT) #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT) #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \ BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT) /* Supported path present on SoCs */ #define MTK_ETH_PATH_GMAC1_RGMII BIT(MTK_ETH_PATH_GMAC1_RGMII_BIT) #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT) #define MTK_ETH_PATH_GMAC1_SGMII BIT(MTK_ETH_PATH_GMAC1_SGMII_BIT) #define MTK_ETH_PATH_GMAC2_RGMII BIT(MTK_ETH_PATH_GMAC2_RGMII_BIT) #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT) #define MTK_ETH_PATH_GMAC2_GEPHY BIT(MTK_ETH_PATH_GMAC2_GEPHY_BIT) #define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT) #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII) #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII) #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII) #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII) #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII) #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY) #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW) /* MUXes present on SoCs */ /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */ #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX) /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */ #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \ (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA) /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */ #define MTK_MUX_U3_GMAC2_TO_QPHY \ (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA) /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */ #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \ MTK_SHARED_SGMII) /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */ #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \ (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX) #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ MTK_GMAC2_RGMII | MTK_SHARED_INT | \ MTK_TRGMII_MT7621_CLK | MTK_QDMA) #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ MTK_MUX_GDM1_TO_GMAC1_ESW | \ MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ MTK_QDMA) #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ MTK_MUX_U3_GMAC2_TO_QPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) /* struct mtk_eth_data - This is the structure holding all differences * among various plaforms * @ana_rgc3: The offset for register ANA_RGC3 related to * sgmiisys syscon * @caps Flags shown the extra capability for the SoC * @hw_features Flags shown HW features * @required_clks Flags shown the bitmap for required clocks on * the target SoC * @required_pctl A bool value to show whether the SoC requires * the extra setup for those pins used by GMAC. */ struct mtk_soc_data { u32 ana_rgc3; u32 caps; u32 required_clks; bool required_pctl; netdev_features_t hw_features; }; /* currently no SoC has more than 2 macs */ #define MTK_MAX_DEVS 2 #define MTK_SGMII_PHYSPEED_AN BIT(31) #define MTK_SGMII_PHYSPEED_MASK GENMASK(2, 0) #define MTK_SGMII_PHYSPEED_1000 BIT(0) #define MTK_SGMII_PHYSPEED_2500 BIT(1) #define MTK_HAS_FLAGS(flags, _x) (((flags) & (_x)) == (_x)) /* struct mtk_sgmii - This is the structure holding sgmii regmap and its * characteristics * @regmap: The register map pointing at the range used to setup * SGMII modes * @flags: The enum refers to which mode the sgmii wants to run on * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap */ struct mtk_sgmii { struct regmap *regmap[MTK_MAX_DEVS]; u32 flags[MTK_MAX_DEVS]; u32 ana_rgc3; }; /* struct mtk_eth - This is the main datasructure for holding the state * of the driver * @dev: The device pointer * @base: The mapped register i/o base * @page_lock: Make sure that register operations are atomic * @tx_irq__lock: Make sure that IRQ register operations are atomic * @rx_irq__lock: Make sure that IRQ register operations are atomic * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a * dummy for NAPI to work * @netdev: The netdev instances * @mac: Each netdev is linked to a physical MAC * @irq: The IRQ that we are using * @msg_enable: Ethtool msg level * @ethsys: The register map pointing at the range used to setup * MII modes * @infra: The register map pointing at the range used to setup * SGMII and GePHY path * @pctl: The register map pointing at the range used to setup * GMAC port drive/slew values * @dma_refcnt: track how many netdevs are using the DMA engine * @tx_ring: Pointer to the memory holding info about the TX ring * @rx_ring: Pointer to the memory holding info about the RX ring * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring * @tx_napi: The TX NAPI struct * @rx_napi: The RX NAPI struct * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring * @phy_scratch_ring: physical address of scratch_ring * @scratch_head: The scratch memory that scratch_ring points to. * @clks: clock array for all clocks required * @mii_bus: If there is a bus we need to create an instance for it * @pending_work: The workqueue used to reset the dma ring * @state: Initialization and runtime state of the device * @soc: Holding specific data among vaious SoCs */ struct mtk_eth { struct device *dev; void __iomem *base; spinlock_t page_lock; spinlock_t tx_irq_lock; spinlock_t rx_irq_lock; struct net_device dummy_dev; struct net_device *netdev[MTK_MAX_DEVS]; struct mtk_mac *mac[MTK_MAX_DEVS]; int irq[3]; u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; struct regmap *infra; struct mtk_sgmii *sgmii; struct regmap *pctl; bool hwlro; refcount_t dma_refcnt; struct mtk_tx_ring tx_ring; struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM]; struct mtk_rx_ring rx_ring_qdma; struct napi_struct tx_napi; struct napi_struct rx_napi; struct mtk_tx_dma *scratch_ring; dma_addr_t phy_scratch_ring; void *scratch_head; struct clk *clks[MTK_CLK_MAX]; struct mii_bus *mii_bus; struct work_struct pending_work; unsigned long state; const struct mtk_soc_data *soc; u32 tx_int_mask_reg; u32 tx_int_status_reg; u32 rx_dma_l4_valid; int ip_align; }; /* struct mtk_mac - the structure that holds the info about the MACs of the * SoC * @id: The number of the MAC * @interface: Interface mode kept for detecting change in hw settings * @of_node: Our devicetree node * @hw: Backpointer to our main datastruture * @hw_stats: Packet statistics counter */ struct mtk_mac { int id; phy_interface_t interface; unsigned int mode; int speed; struct device_node *of_node; struct phylink *phylink; struct phylink_config phylink_config; struct mtk_eth *hw; struct mtk_hw_stats *hw_stats; __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT]; int hwlro_ip_cnt; }; /* the struct describing the SoC. these are declared in the soc_xyz.c files */ extern const struct of_device_id of_mtk_match[]; /* read the hardware status register */ void mtk_stats_update_mac(struct mtk_mac *mac); void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, u32 ana_rgc3); int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id); int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id, const struct phylink_link_state *state); void mtk_sgmii_restart_an(struct mtk_eth *eth, int mac_id); int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); #endif /* MTK_ETH_H */
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