/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (C) 2018 Microchip Technology Inc. */
#ifndef _LAN743X_H
#define _LAN743X_H
#include "lan743x_ptp.h"
#define DRIVER_AUTHOR "Bryan Whitehead <Bryan.Whitehead@microchip.com>"
#define DRIVER_DESC "LAN743x PCIe Gigabit Ethernet Driver"
#define DRIVER_NAME "lan743x"
/* Register Definitions */
#define ID_REV (0x00)
#define ID_REV_ID_MASK_ (0xFFFF0000)
#define ID_REV_ID_LAN7430_ (0x74300000)
#define ID_REV_ID_LAN7431_ (0x74310000)
#define ID_REV_IS_VALID_CHIP_ID_(id_rev) \
(((id_rev) & 0xFFF00000) == 0x74300000)
#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF)
#define ID_REV_CHIP_REV_A0_ (0x00000000)
#define ID_REV_CHIP_REV_B0_ (0x00000010)
#define FPGA_REV (0x04)
#define FPGA_REV_GET_MINOR_(fpga_rev) (((fpga_rev) >> 8) & 0x000000FF)
#define FPGA_REV_GET_MAJOR_(fpga_rev) ((fpga_rev) & 0x000000FF)
#define HW_CFG (0x010)
#define HW_CFG_RELOAD_TYPE_ALL_ (0x00000FC0)
#define HW_CFG_EE_OTP_RELOAD_ BIT(4)
#define HW_CFG_LRST_ BIT(1)
#define PMT_CTL (0x014)
#define PMT_CTL_ETH_PHY_D3_COLD_OVR_ BIT(27)
#define PMT_CTL_MAC_D3_RX_CLK_OVR_ BIT(25)
#define PMT_CTL_ETH_PHY_EDPD_PLL_CTL_ BIT(24)
#define PMT_CTL_ETH_PHY_D3_OVR_ BIT(23)
#define PMT_CTL_RX_FCT_RFE_D3_CLK_OVR_ BIT(18)
#define PMT_CTL_GPIO_WAKEUP_EN_ BIT(15)
#define PMT_CTL_EEE_WAKEUP_EN_ BIT(13)
#define PMT_CTL_READY_ BIT(7)
#define PMT_CTL_ETH_PHY_RST_ BIT(4)
#define PMT_CTL_WOL_EN_ BIT(3)
#define PMT_CTL_ETH_PHY_WAKE_EN_ BIT(2)
#define PMT_CTL_WUPS_MASK_ (0x00000003)
#define DP_SEL (0x024)
#define DP_SEL_DPRDY_ BIT(31)
#define DP_SEL_MASK_ (0x0000001F)
#define DP_SEL_RFE_RAM (0x00000001)
#define DP_SEL_VHF_HASH_LEN (16)
#define DP_SEL_VHF_VLAN_LEN (128)
#define DP_CMD (0x028)
#define DP_CMD_WRITE_ (0x00000001)
#define DP_ADDR (0x02C)
#define DP_DATA_0 (0x030)
#define E2P_CMD (0x040)
#define E2P_CMD_EPC_BUSY_ BIT(31)
#define E2P_CMD_EPC_CMD_WRITE_ (0x30000000)
#define E2P_CMD_EPC_CMD_EWEN_ (0x20000000)
#define E2P_CMD_EPC_CMD_READ_ (0x00000000)
#define E2P_CMD_EPC_TIMEOUT_ BIT(10)
#define E2P_CMD_EPC_ADDR_MASK_ (0x000001FF)
#define E2P_DATA (0x044)
#define GPIO_CFG0 (0x050)
#define GPIO_CFG0_GPIO_DIR_BIT_(bit) BIT(16 + (bit))
#define GPIO_CFG0_GPIO_DATA_BIT_(bit) BIT(0 + (bit))
#define GPIO_CFG1 (0x054)
#define GPIO_CFG1_GPIOEN_BIT_(bit) BIT(16 + (bit))
#define GPIO_CFG1_GPIOBUF_BIT_(bit) BIT(0 + (bit))
#define GPIO_CFG2 (0x058)
#define GPIO_CFG2_1588_POL_BIT_(bit) BIT(0 + (bit))
#define GPIO_CFG3 (0x05C)
#define GPIO_CFG3_1588_CH_SEL_BIT_(bit) BIT(16 + (bit))
#define GPIO_CFG3_1588_OE_BIT_(bit) BIT(0 + (bit))
#define FCT_RX_CTL (0xAC)
#define FCT_RX_CTL_EN_(channel) BIT(28 + (channel))
#define FCT_RX_CTL_DIS_(channel) BIT(24 + (channel))
#define FCT_RX_CTL_RESET_(channel) BIT(20 + (channel))
#define FCT_TX_CTL (0xC4)
#define FCT_TX_CTL_EN_(channel) BIT(28 + (channel))
#define FCT_TX_CTL_DIS_(channel) BIT(24 + (channel))
#define FCT_TX_CTL_RESET_(channel) BIT(20 + (channel))
#define FCT_FLOW(rx_channel) (0xE0 + ((rx_channel) << 2))
#define FCT_FLOW_CTL_OFF_THRESHOLD_ (0x00007F00)
#define FCT_FLOW_CTL_OFF_THRESHOLD_SET_(value) \
((value << 8) & FCT_FLOW_CTL_OFF_THRESHOLD_)
#define FCT_FLOW_CTL_REQ_EN_ BIT(7)
#define FCT_FLOW_CTL_ON_THRESHOLD_ (0x0000007F)
#define FCT_FLOW_CTL_ON_THRESHOLD_SET_(value) \
((value << 0) & FCT_FLOW_CTL_ON_THRESHOLD_)
#define MAC_CR (0x100)
#define MAC_CR_EEE_EN_ BIT(17)
#define MAC_CR_ADD_ BIT(12)
#define MAC_CR_ASD_ BIT(11)
#define MAC_CR_CNTR_RST_ BIT(5)
#define MAC_CR_RST_ BIT(0)
#define MAC_RX (0x104)
#define MAC_RX_MAX_SIZE_SHIFT_ (16)
#define MAC_RX_MAX_SIZE_MASK_ (0x3FFF0000)
#define MAC_RX_RXD_ BIT(1)
#define MAC_RX_RXEN_ BIT(0)
#define MAC_TX (0x108)
#define MAC_TX_TXD_ BIT(1)
#define MAC_TX_TXEN_ BIT(0)
#define MAC_FLOW (0x10C)
#define MAC_FLOW_CR_TX_FCEN_ BIT(30)
#define MAC_FLOW_CR_RX_FCEN_ BIT(29)
#define MAC_FLOW_CR_FCPT_MASK_ (0x0000FFFF)
#define MAC_RX_ADDRH (0x118)
#define MAC_RX_ADDRL (0x11C)
#define MAC_MII_ACC (0x120)
#define MAC_MII_ACC_PHY_ADDR_SHIFT_ (11)
#define MAC_MII_ACC_PHY_ADDR_MASK_ (0x0000F800)
#define MAC_MII_ACC_MIIRINDA_SHIFT_ (6)
#define MAC_MII_ACC_MIIRINDA_MASK_ (0x000007C0)
#define MAC_MII_ACC_MII_READ_ (0x00000000)
#define MAC_MII_ACC_MII_WRITE_ (0x00000002)
#define MAC_MII_ACC_MII_BUSY_ BIT(0)
#define MAC_MII_DATA (0x124)
#define MAC_EEE_TX_LPI_REQ_DLY_CNT (0x130)
#define MAC_WUCSR (0x140)
#define MAC_WUCSR_RFE_WAKE_EN_ BIT(14)
#define MAC_WUCSR_PFDA_EN_ BIT(3)
#define MAC_WUCSR_WAKE_EN_ BIT(2)
#define MAC_WUCSR_MPEN_ BIT(1)
#define MAC_WUCSR_BCST_EN_ BIT(0)
#define MAC_WK_SRC (0x144)
#define MAC_WUF_CFG0 (0x150)
#define MAC_NUM_OF_WUF_CFG (32)
#define MAC_WUF_CFG_BEGIN (MAC_WUF_CFG0)
#define MAC_WUF_CFG(index) (MAC_WUF_CFG_BEGIN + (4 * (index)))
#define MAC_WUF_CFG_EN_ BIT(31)
#define MAC_WUF_CFG_TYPE_MCAST_ (0x02000000)
#define MAC_WUF_CFG_TYPE_ALL_ (0x01000000)
#define MAC_WUF_CFG_OFFSET_SHIFT_ (16)
#define MAC_WUF_CFG_CRC16_MASK_ (0x0000FFFF)
#define MAC_WUF_MASK0_0 (0x200)
#define MAC_WUF_MASK0_1 (0x204)
#define MAC_WUF_MASK0_2 (0x208)
#define MAC_WUF_MASK0_3 (0x20C)
#define MAC_WUF_MASK0_BEGIN (MAC_WUF_MASK0_0)
#define MAC_WUF_MASK1_BEGIN (MAC_WUF_MASK0_1)
#define MAC_WUF_MASK2_BEGIN (MAC_WUF_MASK0_2)
#define MAC_WUF_MASK3_BEGIN (MAC_WUF_MASK0_3)
#define MAC_WUF_MASK0(index) (MAC_WUF_MASK0_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK1(index) (MAC_WUF_MASK1_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK2(index) (MAC_WUF_MASK2_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK3(index) (MAC_WUF_MASK3_BEGIN + (0x10 * (index)))
/* offset 0x400 - 0x500, x may range from 0 to 32, for a total of 33 entries */
#define RFE_ADDR_FILT_HI(x) (0x400 + (8 * (x)))
#define RFE_ADDR_FILT_HI_VALID_ BIT(31)
/* offset 0x404 - 0x504, x may range from 0 to 32, for a total of 33 entries */
#define RFE_ADDR_FILT_LO(x) (0x404 + (8 * (x)))
#define RFE_CTL (0x508)
#define RFE_CTL_AB_ BIT(10)
#define RFE_CTL_AM_ BIT(9)
#define RFE_CTL_AU_ BIT(8)
#define RFE_CTL_MCAST_HASH_ BIT(3)
#define RFE_CTL_DA_PERFECT_ BIT(1)
#define RFE_RSS_CFG (0x554)
#define RFE_RSS_CFG_UDP_IPV6_EX_ BIT(16)
#define RFE_RSS_CFG_TCP_IPV6_EX_ BIT(15)
#define RFE_RSS_CFG_IPV6_EX_ BIT(14)
#define RFE_RSS_CFG_UDP_IPV6_ BIT(13)
#define RFE_RSS_CFG_TCP_IPV6_ BIT(12)
#define RFE_RSS_CFG_IPV6_ BIT(11)
#define RFE_RSS_CFG_UDP_IPV4_ BIT(10)
#define RFE_RSS_CFG_TCP_IPV4_ BIT(9)
#define RFE_RSS_CFG_IPV4_ BIT(8)
#define RFE_RSS_CFG_VALID_HASH_BITS_ (0x000000E0)
#define RFE_RSS_CFG_RSS_QUEUE_ENABLE_ BIT(2)
#define RFE_RSS_CFG_RSS_HASH_STORE_ BIT(1)
#define RFE_RSS_CFG_RSS_ENABLE_ BIT(0)
#define RFE_HASH_KEY(index) (0x558 + (index << 2))
#define RFE_INDX(index) (0x580 + (index << 2))
#define MAC_WUCSR2 (0x600)
#define INT_STS (0x780)
#define INT_BIT_DMA_RX_(channel) BIT(24 + (channel))
#define INT_BIT_ALL_RX_ (0x0F000000)
#define INT_BIT_DMA_TX_(channel) BIT(16 + (channel))
#define INT_BIT_ALL_TX_ (0x000F0000)
#define INT_BIT_SW_GP_ BIT(9)
#define INT_BIT_1588_ BIT(7)
#define INT_BIT_ALL_OTHER_ (INT_BIT_SW_GP_ | INT_BIT_1588_)
#define INT_BIT_MAS_ BIT(0)
#define INT_SET (0x784)
#define INT_EN_SET (0x788)
#define INT_EN_CLR (0x78C)
#define INT_STS_R2C (0x790)
#define INT_VEC_EN_SET (0x794)
#define INT_VEC_EN_CLR (0x798)
#define INT_VEC_EN_AUTO_CLR (0x79C)
#define INT_VEC_EN_(vector_index) BIT(0 + vector_index)
#define INT_VEC_MAP0 (0x7A0)
#define INT_VEC_MAP0_RX_VEC_(channel, vector) \
(((u32)(vector)) << ((channel) << 2))
#define INT_VEC_MAP1 (0x7A4)
#define INT_VEC_MAP1_TX_VEC_(channel, vector) \
(((u32)(vector)) << ((channel) << 2))
#define INT_VEC_MAP2 (0x7A8)
#define INT_MOD_MAP0 (0x7B0)
#define INT_MOD_MAP1 (0x7B4)
#define INT_MOD_MAP2 (0x7B8)
#define INT_MOD_CFG0 (0x7C0)
#define INT_MOD_CFG1 (0x7C4)
#define INT_MOD_CFG2 (0x7C8)
#define INT_MOD_CFG3 (0x7CC)
#define INT_MOD_CFG4 (0x7D0)
#define INT_MOD_CFG5 (0x7D4)
#define INT_MOD_CFG6 (0x7D8)
#define INT_MOD_CFG7 (0x7DC)
#define PTP_CMD_CTL (0x0A00)
#define PTP_CMD_CTL_PTP_CLK_STP_NSEC_ BIT(6)
#define PTP_CMD_CTL_PTP_CLOCK_STEP_SEC_ BIT(5)
#define PTP_CMD_CTL_PTP_CLOCK_LOAD_ BIT(4)
#define PTP_CMD_CTL_PTP_CLOCK_READ_ BIT(3)
#define PTP_CMD_CTL_PTP_ENABLE_ BIT(2)
#define PTP_CMD_CTL_PTP_DISABLE_ BIT(1)
#define PTP_CMD_CTL_PTP_RESET_ BIT(0)
#define PTP_GENERAL_CONFIG (0x0A04)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_MASK_(channel) \
(0x7 << (1 + ((channel) << 2)))
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100NS_ (0)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10US_ (1)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_100US_ (2)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_1MS_ (3)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_10MS_ (4)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_200MS_ (5)
#define PTP_GENERAL_CONFIG_CLOCK_EVENT_X_SET_(channel, value) \
(((value) & 0x7) << (1 + ((channel) << 2)))
#define PTP_GENERAL_CONFIG_RELOAD_ADD_X_(channel) (BIT((channel) << 2))
#define PTP_INT_STS (0x0A08)
#define PTP_INT_EN_SET (0x0A0C)
#define PTP_INT_EN_CLR (0x0A10)
#define PTP_INT_BIT_TX_SWTS_ERR_ BIT(13)
#define PTP_INT_BIT_TX_TS_ BIT(12)
#define PTP_INT_BIT_TIMER_B_ BIT(1)
#define PTP_INT_BIT_TIMER_A_ BIT(0)
#define PTP_CLOCK_SEC (0x0A14)
#define PTP_CLOCK_NS (0x0A18)
#define PTP_CLOCK_SUBNS (0x0A1C)
#define PTP_CLOCK_RATE_ADJ (0x0A20)
#define PTP_CLOCK_RATE_ADJ_DIR_ BIT(31)
#define PTP_CLOCK_STEP_ADJ (0x0A2C)
#define PTP_CLOCK_STEP_ADJ_DIR_ BIT(31)
#define PTP_CLOCK_STEP_ADJ_VALUE_MASK_ (0x3FFFFFFF)
#define PTP_CLOCK_TARGET_SEC_X(channel) (0x0A30 + ((channel) << 4))
#define PTP_CLOCK_TARGET_NS_X(channel) (0x0A34 + ((channel) << 4))
#define PTP_CLOCK_TARGET_RELOAD_SEC_X(channel) (0x0A38 + ((channel) << 4))
#define PTP_CLOCK_TARGET_RELOAD_NS_X(channel) (0x0A3C + ((channel) << 4))
#define PTP_LATENCY (0x0A5C)
#define PTP_LATENCY_TX_SET_(tx_latency) (((u32)(tx_latency)) << 16)
#define PTP_LATENCY_RX_SET_(rx_latency) \
(((u32)(rx_latency)) & 0x0000FFFF)
#define PTP_CAP_INFO (0x0A60)
#define PTP_CAP_INFO_TX_TS_CNT_GET_(reg_val) (((reg_val) & 0x00000070) >> 4)
#define PTP_TX_MOD (0x0AA4)
#define PTP_TX_MOD_TX_PTP_SYNC_TS_INSERT_ (0x10000000)
#define PTP_TX_MOD2 (0x0AA8)
#define PTP_TX_MOD2_TX_PTP_CLR_UDPV4_CHKSUM_ (0x00000001)
#define PTP_TX_EGRESS_SEC (0x0AAC)
#define PTP_TX_EGRESS_NS (0x0AB0)
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_MASK_ (0xC0000000)
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_AUTO_ (0x00000000)
#define PTP_TX_EGRESS_NS_CAPTURE_CAUSE_SW_ (0x40000000)
#define PTP_TX_EGRESS_NS_TS_NS_MASK_ (0x3FFFFFFF)
#define PTP_TX_MSG_HEADER (0x0AB4)
#define PTP_TX_MSG_HEADER_MSG_TYPE_ (0x000F0000)
#define PTP_TX_MSG_HEADER_MSG_TYPE_SYNC_ (0x00000000)
#define DMAC_CFG (0xC00)
#define DMAC_CFG_COAL_EN_ BIT(16)
#define DMAC_CFG_CH_ARB_SEL_RX_HIGH_ (0x00000000)
#define DMAC_CFG_MAX_READ_REQ_MASK_ (0x00000070)
#define DMAC_CFG_MAX_READ_REQ_SET_(val) \
((((u32)(val)) << 4) & DMAC_CFG_MAX_READ_REQ_MASK_)
#define DMAC_CFG_MAX_DSPACE_16_ (0x00000000)
#define DMAC_CFG_MAX_DSPACE_32_ (0x00000001)
#define DMAC_CFG_MAX_DSPACE_64_ BIT(1)
#define DMAC_CFG_MAX_DSPACE_128_ (0x00000003)
#define DMAC_COAL_CFG (0xC04)
#define DMAC_COAL_CFG_TIMER_LIMIT_MASK_ (0xFFF00000)
#define DMAC_COAL_CFG_TIMER_LIMIT_SET_(val) \
((((u32)(val)) << 20) & DMAC_COAL_CFG_TIMER_LIMIT_MASK_)
#define DMAC_COAL_CFG_TIMER_TX_START_ BIT(19)
#define DMAC_COAL_CFG_FLUSH_INTS_ BIT(18)
#define DMAC_COAL_CFG_INT_EXIT_COAL_ BIT(17)
#define DMAC_COAL_CFG_CSR_EXIT_COAL_ BIT(16)
#define DMAC_COAL_CFG_TX_THRES_MASK_ (0x0000FF00)
#define DMAC_COAL_CFG_TX_THRES_SET_(val) \
((((u32)(val)) << 8) & DMAC_COAL_CFG_TX_THRES_MASK_)
#define DMAC_COAL_CFG_RX_THRES_MASK_ (0x000000FF)
#define DMAC_COAL_CFG_RX_THRES_SET_(val) \
(((u32)(val)) & DMAC_COAL_CFG_RX_THRES_MASK_)
#define DMAC_OBFF_CFG (0xC08)
#define DMAC_OBFF_TX_THRES_MASK_ (0x0000FF00)
#define DMAC_OBFF_TX_THRES_SET_(val) \
((((u32)(val)) << 8) & DMAC_OBFF_TX_THRES_MASK_)
#define DMAC_OBFF_RX_THRES_MASK_ (0x000000FF)
#define DMAC_OBFF_RX_THRES_SET_(val) \
(((u32)(val)) & DMAC_OBFF_RX_THRES_MASK_)
#define DMAC_CMD (0xC0C)
#define DMAC_CMD_SWR_ BIT(31)
#define DMAC_CMD_TX_SWR_(channel) BIT(24 + (channel))
#define DMAC_CMD_START_T_(channel) BIT(20 + (channel))
#define DMAC_CMD_STOP_T_(channel) BIT(16 + (channel))
#define DMAC_CMD_RX_SWR_(channel) BIT(8 + (channel))
#define DMAC_CMD_START_R_(channel) BIT(4 + (channel))
#define DMAC_CMD_STOP_R_(channel) BIT(0 + (channel))
#define DMAC_INT_STS (0xC10)
#define DMAC_INT_EN_SET (0xC14)
#define DMAC_INT_EN_CLR (0xC18)
#define DMAC_INT_BIT_RXFRM_(channel) BIT(16 + (channel))
#define DMAC_INT_BIT_TX_IOC_(channel) BIT(0 + (channel))
#define RX_CFG_A(channel) (0xC40 + ((channel) << 6))
#define RX_CFG_A_RX_WB_ON_INT_TMR_ BIT(30)
#define RX_CFG_A_RX_WB_THRES_MASK_ (0x1F000000)
#define RX_CFG_A_RX_WB_THRES_SET_(val) \
((((u32)(val)) << 24) & RX_CFG_A_RX_WB_THRES_MASK_)
#define RX_CFG_A_RX_PF_THRES_MASK_ (0x001F0000)
#define RX_CFG_A_RX_PF_THRES_SET_(val) \
((((u32)(val)) << 16) & RX_CFG_A_RX_PF_THRES_MASK_)
#define RX_CFG_A_RX_PF_PRI_THRES_MASK_ (0x00001F00)
#define RX_CFG_A_RX_PF_PRI_THRES_SET_(val) \
((((u32)(val)) << 8) & RX_CFG_A_RX_PF_PRI_THRES_MASK_)
#define RX_CFG_A_RX_HP_WB_EN_ BIT(5)
#define RX_CFG_B(channel) (0xC44 + ((channel) << 6))
#define RX_CFG_B_TS_ALL_RX_ BIT(29)
#define RX_CFG_B_RX_PAD_MASK_ (0x03000000)
#define RX_CFG_B_RX_PAD_0_ (0x00000000)
#define RX_CFG_B_RX_PAD_2_ (0x02000000)
#define RX_CFG_B_RDMABL_512_ (0x00040000)
#define RX_CFG_B_RX_RING_LEN_MASK_ (0x0000FFFF)
#define RX_BASE_ADDRH(channel) (0xC48 + ((channel) << 6))
#define RX_BASE_ADDRL(channel) (0xC4C + ((channel) << 6))
#define RX_HEAD_WRITEBACK_ADDRH(channel) (0xC50 + ((channel) << 6))
#define RX_HEAD_WRITEBACK_ADDRL(channel) (0xC54 + ((channel) << 6))
#define RX_HEAD(channel) (0xC58 + ((channel) << 6))
#define RX_TAIL(channel) (0xC5C + ((channel) << 6))
#define RX_TAIL_SET_TOP_INT_EN_ BIT(30)
#define RX_TAIL_SET_TOP_INT_VEC_EN_ BIT(29)
#define RX_CFG_C(channel) (0xC64 + ((channel) << 6))
#define RX_CFG_C_RX_TOP_INT_EN_AUTO_CLR_ BIT(6)
#define RX_CFG_C_RX_INT_EN_R2C_ BIT(4)
#define RX_CFG_C_RX_DMA_INT_STS_AUTO_CLR_ BIT(3)
#define RX_CFG_C_RX_INT_STS_R2C_MODE_MASK_ (0x00000007)
#define TX_CFG_A(channel) (0xD40 + ((channel) << 6))
#define TX_CFG_A_TX_HP_WB_ON_INT_TMR_ BIT(30)
#define TX_CFG_A_TX_TMR_HPWB_SEL_IOC_ (0x10000000)
#define TX_CFG_A_TX_PF_THRES_MASK_ (0x001F0000)
#define TX_CFG_A_TX_PF_THRES_SET_(value) \
((((u32)(value)) << 16) & TX_CFG_A_TX_PF_THRES_MASK_)
#define TX_CFG_A_TX_PF_PRI_THRES_MASK_ (0x00001F00)
#define TX_CFG_A_TX_PF_PRI_THRES_SET_(value) \
((((u32)(value)) << 8) & TX_CFG_A_TX_PF_PRI_THRES_MASK_)
#define TX_CFG_A_TX_HP_WB_EN_ BIT(5)
#define TX_CFG_A_TX_HP_WB_THRES_MASK_ (0x0000000F)
#define TX_CFG_A_TX_HP_WB_THRES_SET_(value) \
(((u32)(value)) & TX_CFG_A_TX_HP_WB_THRES_MASK_)
#define TX_CFG_B(channel) (0xD44 + ((channel) << 6))
#define TX_CFG_B_TDMABL_512_ (0x00040000)
#define TX_CFG_B_TX_RING_LEN_MASK_ (0x0000FFFF)
#define TX_BASE_ADDRH(channel) (0xD48 + ((channel) << 6))
#define TX_BASE_ADDRL(channel) (0xD4C + ((channel) << 6))
#define TX_HEAD_WRITEBACK_ADDRH(channel) (0xD50 + ((channel) << 6))
#define TX_HEAD_WRITEBACK_ADDRL(channel) (0xD54 + ((channel) << 6))
#define TX_HEAD(channel) (0xD58 + ((channel) << 6))
#define TX_TAIL(channel) (0xD5C + ((channel) << 6))
#define TX_TAIL_SET_DMAC_INT_EN_ BIT(31)
#define TX_TAIL_SET_TOP_INT_EN_ BIT(30)
#define TX_TAIL_SET_TOP_INT_VEC_EN_ BIT(29)
#define TX_CFG_C(channel) (0xD64 + ((channel) << 6))
#define TX_CFG_C_TX_TOP_INT_EN_AUTO_CLR_ BIT(6)
#define TX_CFG_C_TX_DMA_INT_EN_AUTO_CLR_ BIT(5)
#define TX_CFG_C_TX_INT_EN_R2C_ BIT(4)
#define TX_CFG_C_TX_DMA_INT_STS_AUTO_CLR_ BIT(3)
#define TX_CFG_C_TX_INT_STS_R2C_MODE_MASK_ (0x00000007)
#define OTP_PWR_DN (0x1000)
#define OTP_PWR_DN_PWRDN_N_ BIT(0)
#define OTP_ADDR_HIGH (0x1004)
#define OTP_ADDR_LOW (0x1008)
#define OTP_PRGM_DATA (0x1010)
#define OTP_PRGM_MODE (0x1014)
#define OTP_PRGM_MODE_BYTE_ BIT(0)
#define OTP_READ_DATA (0x1018)
#define OTP_FUNC_CMD (0x1020)
#define OTP_FUNC_CMD_READ_ BIT(0)
#define OTP_TST_CMD (0x1024)
#define OTP_TST_CMD_PRGVRFY_ BIT(3)
#define OTP_CMD_GO (0x1028)
#define OTP_CMD_GO_GO_ BIT(0)
#define OTP_STATUS (0x1030)
#define OTP_STATUS_BUSY_ BIT(0)
/* MAC statistics registers */
#define STAT_RX_FCS_ERRORS (0x1200)
#define STAT_RX_ALIGNMENT_ERRORS (0x1204)
#define STAT_RX_FRAGMENT_ERRORS (0x1208)
#define STAT_RX_JABBER_ERRORS (0x120C)
#define STAT_RX_UNDERSIZE_FRAME_ERRORS (0x1210)
#define STAT_RX_OVERSIZE_FRAME_ERRORS (0x1214)
#define STAT_RX_DROPPED_FRAMES (0x1218)
#define STAT_RX_UNICAST_BYTE_COUNT (0x121C)
#define STAT_RX_BROADCAST_BYTE_COUNT (0x1220)
#define STAT_RX_MULTICAST_BYTE_COUNT (0x1224)
#define STAT_RX_UNICAST_FRAMES (0x1228)
#define STAT_RX_BROADCAST_FRAMES (0x122C)
#define STAT_RX_MULTICAST_FRAMES (0x1230)
#define STAT_RX_PAUSE_FRAMES (0x1234)
#define STAT_RX_64_BYTE_FRAMES (0x1238)
#define STAT_RX_65_127_BYTE_FRAMES (0x123C)
#define STAT_RX_128_255_BYTE_FRAMES (0x1240)
#define STAT_RX_256_511_BYTES_FRAMES (0x1244)
#define STAT_RX_512_1023_BYTE_FRAMES (0x1248)
#define STAT_RX_1024_1518_BYTE_FRAMES (0x124C)
#define STAT_RX_GREATER_1518_BYTE_FRAMES (0x1250)
#define STAT_RX_TOTAL_FRAMES (0x1254)
#define STAT_EEE_RX_LPI_TRANSITIONS (0x1258)
#define STAT_EEE_RX_LPI_TIME (0x125C)
#define STAT_RX_COUNTER_ROLLOVER_STATUS (0x127C)
#define STAT_TX_FCS_ERRORS (0x1280)
#define STAT_TX_EXCESS_DEFERRAL_ERRORS (0x1284)
#define STAT_TX_CARRIER_ERRORS (0x1288)
#define STAT_TX_BAD_BYTE_COUNT (0x128C)
#define STAT_TX_SINGLE_COLLISIONS (0x1290)
#define STAT_TX_MULTIPLE_COLLISIONS (0x1294)
#define STAT_TX_EXCESSIVE_COLLISION (0x1298)
#define STAT_TX_LATE_COLLISIONS (0x129C)
#define STAT_TX_UNICAST_BYTE_COUNT (0x12A0)
#define STAT_TX_BROADCAST_BYTE_COUNT (0x12A4)
#define STAT_TX_MULTICAST_BYTE_COUNT (0x12A8)
#define STAT_TX_UNICAST_FRAMES (0x12AC)
#define STAT_TX_BROADCAST_FRAMES (0x12B0)
#define STAT_TX_MULTICAST_FRAMES (0x12B4)
#define STAT_TX_PAUSE_FRAMES (0x12B8)
#define STAT_TX_64_BYTE_FRAMES (0x12BC)
#define STAT_TX_65_127_BYTE_FRAMES (0x12C0)
#define STAT_TX_128_255_BYTE_FRAMES (0x12C4)
#define STAT_TX_256_511_BYTES_FRAMES (0x12C8)
#define STAT_TX_512_1023_BYTE_FRAMES (0x12CC)
#define STAT_TX_1024_1518_BYTE_FRAMES (0x12D0)
#define STAT_TX_GREATER_1518_BYTE_FRAMES (0x12D4)
#define STAT_TX_TOTAL_FRAMES (0x12D8)
#define STAT_EEE_TX_LPI_TRANSITIONS (0x12DC)
#define STAT_EEE_TX_LPI_TIME (0x12E0)
#define STAT_TX_COUNTER_ROLLOVER_STATUS (0x12FC)
/* End of Register definitions */
#define LAN743X_MAX_RX_CHANNELS (4)
#define LAN743X_MAX_TX_CHANNELS (1)
struct lan743x_adapter;
#define LAN743X_USED_RX_CHANNELS (4)
#define LAN743X_USED_TX_CHANNELS (1)
#define LAN743X_INT_MOD (400)
#if (LAN743X_USED_RX_CHANNELS > LAN743X_MAX_RX_CHANNELS)
#error Invalid LAN743X_USED_RX_CHANNELS
#endif
#if (LAN743X_USED_TX_CHANNELS > LAN743X_MAX_TX_CHANNELS)
#error Invalid LAN743X_USED_TX_CHANNELS
#endif
/* PCI */
/* SMSC acquired EFAR late 1990's, MCHP acquired SMSC 2012 */
#define PCI_VENDOR_ID_SMSC PCI_VENDOR_ID_EFAR
#define PCI_DEVICE_ID_SMSC_LAN7430 (0x7430)
#define PCI_DEVICE_ID_SMSC_LAN7431 (0x7431)
#define PCI_CONFIG_LENGTH (0x1000)
/* CSR */
#define CSR_LENGTH (0x2000)
#define LAN743X_CSR_FLAG_IS_A0 BIT(0)
#define LAN743X_CSR_FLAG_IS_B0 BIT(1)
#define LAN743X_CSR_FLAG_SUPPORTS_INTR_AUTO_SET_CLR BIT(8)
struct lan743x_csr {
u32 flags;
u8 __iomem *csr_address;
u32 id_rev;
u32 fpga_rev;
};
/* INTERRUPTS */
typedef void(*lan743x_vector_handler)(void *context, u32 int_sts, u32 flags);
#define LAN743X_VECTOR_FLAG_IRQ_SHARED BIT(0)
#define LAN743X_VECTOR_FLAG_SOURCE_STATUS_READ BIT(1)
#define LAN743X_VECTOR_FLAG_SOURCE_STATUS_R2C BIT(2)
#define LAN743X_VECTOR_FLAG_SOURCE_STATUS_W2C BIT(3)
#define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CHECK BIT(4)
#define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_CLEAR BIT(5)
#define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_R2C BIT(6)
#define LAN743X_VECTOR_FLAG_MASTER_ENABLE_CLEAR BIT(7)
#define LAN743X_VECTOR_FLAG_MASTER_ENABLE_SET BIT(8)
#define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_ISR_CLEAR BIT(9)
#define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_ISR_SET BIT(10)
#define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_AUTO_CLEAR BIT(11)
#define LAN743X_VECTOR_FLAG_VECTOR_ENABLE_AUTO_SET BIT(12)
#define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_CLEAR BIT(13)
#define LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_SET BIT(14)
#define LAN743X_VECTOR_FLAG_SOURCE_STATUS_AUTO_CLEAR BIT(15)
struct lan743x_vector {
int irq;
u32 flags;
struct lan743x_adapter *adapter;
int vector_index;
u32 int_mask;
lan743x_vector_handler handler;
void *context;
};
#define LAN743X_MAX_VECTOR_COUNT (8)
struct lan743x_intr {
int flags;
unsigned int irq;
struct lan743x_vector vector_list[LAN743X_MAX_VECTOR_COUNT];
int number_of_vectors;
bool using_vectors;
int software_isr_flag;
};
#define LAN743X_MAX_FRAME_SIZE (9 * 1024)
/* PHY */
struct lan743x_phy {
bool fc_autoneg;
u8 fc_request_control;
};
/* TX */
struct lan743x_tx_descriptor;
struct lan743x_tx_buffer_info;
#define GPIO_QUEUE_STARTED (0)
#define GPIO_TX_FUNCTION (1)
#define GPIO_TX_COMPLETION (2)
#define GPIO_TX_FRAGMENT (3)
#define TX_FRAME_FLAG_IN_PROGRESS BIT(0)
#define TX_TS_FLAG_TIMESTAMPING_ENABLED BIT(0)
#define TX_TS_FLAG_ONE_STEP_SYNC BIT(1)
struct lan743x_tx {
struct lan743x_adapter *adapter;
u32 ts_flags;
u32 vector_flags;
int channel_number;
int ring_size;
size_t ring_allocation_size;
struct lan743x_tx_descriptor *ring_cpu_ptr;
dma_addr_t ring_dma_ptr;
/* ring_lock: used to prevent concurrent access to tx ring */
spinlock_t ring_lock;
u32 frame_flags;
u32 frame_first;
u32 frame_data0;
u32 frame_tail;
struct lan743x_tx_buffer_info *buffer_info;
u32 *head_cpu_ptr;
dma_addr_t head_dma_ptr;
int last_head;
int last_tail;
struct napi_struct napi;
struct sk_buff *overflow_skb;
};
void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx,
bool enable_timestamping,
bool enable_onestep_sync);
/* RX */
struct lan743x_rx_descriptor;
struct lan743x_rx_buffer_info;
struct lan743x_rx {
struct lan743x_adapter *adapter;
u32 vector_flags;
int channel_number;
int ring_size;
size_t ring_allocation_size;
struct lan743x_rx_descriptor *ring_cpu_ptr;
dma_addr_t ring_dma_ptr;
struct lan743x_rx_buffer_info *buffer_info;
u32 *head_cpu_ptr;
dma_addr_t head_dma_ptr;
u32 last_head;
u32 last_tail;
struct napi_struct napi;
u32 frame_count;
};
struct lan743x_adapter {
struct net_device *netdev;
struct mii_bus *mdiobus;
int msg_enable;
#ifdef CONFIG_PM
u32 wolopts;
#endif
struct pci_dev *pdev;
struct lan743x_csr csr;
struct lan743x_intr intr;
/* lock, used to prevent concurrent access to data port */
struct mutex dp_lock;
struct lan743x_gpio gpio;
struct lan743x_ptp ptp;
u8 mac_address[ETH_ALEN];
struct lan743x_phy phy;
struct lan743x_tx tx[LAN743X_MAX_TX_CHANNELS];
struct lan743x_rx rx[LAN743X_MAX_RX_CHANNELS];
#define LAN743X_ADAPTER_FLAG_OTP BIT(0)
u32 flags;
};
#define LAN743X_COMPONENT_FLAG_RX(channel) BIT(20 + (channel))
#define INTR_FLAG_IRQ_REQUESTED(vector_index) BIT(0 + vector_index)
#define INTR_FLAG_MSI_ENABLED BIT(8)
#define INTR_FLAG_MSIX_ENABLED BIT(9)
#define MAC_MII_READ 1
#define MAC_MII_WRITE 0
#define PHY_FLAG_OPENED BIT(0)
#define PHY_FLAG_ATTACHED BIT(1)
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
#define DMA_ADDR_HIGH32(dma_addr) ((u32)(((dma_addr) >> 32) & 0xFFFFFFFF))
#else
#define DMA_ADDR_HIGH32(dma_addr) ((u32)(0))
#endif
#define DMA_ADDR_LOW32(dma_addr) ((u32)((dma_addr) & 0xFFFFFFFF))
#define DMA_DESCRIPTOR_SPACING_16 (16)
#define DMA_DESCRIPTOR_SPACING_32 (32)
#define DMA_DESCRIPTOR_SPACING_64 (64)
#define DMA_DESCRIPTOR_SPACING_128 (128)
#define DEFAULT_DMA_DESCRIPTOR_SPACING (L1_CACHE_BYTES)
#define DMAC_CHANNEL_STATE_SET(start_bit, stop_bit) \
(((start_bit) ? 2 : 0) | ((stop_bit) ? 1 : 0))
#define DMAC_CHANNEL_STATE_INITIAL DMAC_CHANNEL_STATE_SET(0, 0)
#define DMAC_CHANNEL_STATE_STARTED DMAC_CHANNEL_STATE_SET(1, 0)
#define DMAC_CHANNEL_STATE_STOP_PENDING DMAC_CHANNEL_STATE_SET(1, 1)
#define DMAC_CHANNEL_STATE_STOPPED DMAC_CHANNEL_STATE_SET(0, 1)
/* TX Descriptor bits */
#define TX_DESC_DATA0_DTYPE_MASK_ (0xC0000000)
#define TX_DESC_DATA0_DTYPE_DATA_ (0x00000000)
#define TX_DESC_DATA0_DTYPE_EXT_ (0x40000000)
#define TX_DESC_DATA0_FS_ (0x20000000)
#define TX_DESC_DATA0_LS_ (0x10000000)
#define TX_DESC_DATA0_EXT_ (0x08000000)
#define TX_DESC_DATA0_IOC_ (0x04000000)
#define TX_DESC_DATA0_ICE_ (0x00400000)
#define TX_DESC_DATA0_IPE_ (0x00200000)
#define TX_DESC_DATA0_TPE_ (0x00100000)
#define TX_DESC_DATA0_FCS_ (0x00020000)
#define TX_DESC_DATA0_TSE_ (0x00010000)
#define TX_DESC_DATA0_BUF_LENGTH_MASK_ (0x0000FFFF)
#define TX_DESC_DATA0_EXT_LSO_ (0x00200000)
#define TX_DESC_DATA0_EXT_PAY_LENGTH_MASK_ (0x000FFFFF)
#define TX_DESC_DATA3_FRAME_LENGTH_MSS_MASK_ (0x3FFF0000)
struct lan743x_tx_descriptor {
u32 data0;
u32 data1;
u32 data2;
u32 data3;
} __aligned(DEFAULT_DMA_DESCRIPTOR_SPACING);
#define TX_BUFFER_INFO_FLAG_ACTIVE BIT(0)
#define TX_BUFFER_INFO_FLAG_TIMESTAMP_REQUESTED BIT(1)
#define TX_BUFFER_INFO_FLAG_IGNORE_SYNC BIT(2)
#define TX_BUFFER_INFO_FLAG_SKB_FRAGMENT BIT(3)
struct lan743x_tx_buffer_info {
int flags;
struct sk_buff *skb;
dma_addr_t dma_ptr;
unsigned int buffer_length;
};
#define LAN743X_TX_RING_SIZE (50)
/* OWN bit is set. ie, Descs are owned by RX DMAC */
#define RX_DESC_DATA0_OWN_ (0x00008000)
/* OWN bit is clear. ie, Descs are owned by host */
#define RX_DESC_DATA0_FS_ (0x80000000)
#define RX_DESC_DATA0_LS_ (0x40000000)
#define RX_DESC_DATA0_FRAME_LENGTH_MASK_ (0x3FFF0000)
#define RX_DESC_DATA0_FRAME_LENGTH_GET_(data0) \
(((data0) & RX_DESC_DATA0_FRAME_LENGTH_MASK_) >> 16)
#define RX_DESC_DATA0_EXT_ (0x00004000)
#define RX_DESC_DATA0_BUF_LENGTH_MASK_ (0x00003FFF)
#define RX_DESC_DATA2_TS_NS_MASK_ (0x3FFFFFFF)
#if ((NET_IP_ALIGN != 0) && (NET_IP_ALIGN != 2))
#error NET_IP_ALIGN must be 0 or 2
#endif
#define RX_HEAD_PADDING NET_IP_ALIGN
struct lan743x_rx_descriptor {
u32 data0;
u32 data1;
u32 data2;
u32 data3;
} __aligned(DEFAULT_DMA_DESCRIPTOR_SPACING);
#define RX_BUFFER_INFO_FLAG_ACTIVE BIT(0)
struct lan743x_rx_buffer_info {
int flags;
struct sk_buff *skb;
dma_addr_t dma_ptr;
unsigned int buffer_length;
};
#define LAN743X_RX_RING_SIZE (65)
#define RX_PROCESS_RESULT_NOTHING_TO_DO (0)
#define RX_PROCESS_RESULT_PACKET_RECEIVED (1)
#define RX_PROCESS_RESULT_PACKET_DROPPED (2)
u32 lan743x_csr_read(struct lan743x_adapter *adapter, int offset);
void lan743x_csr_write(struct lan743x_adapter *adapter, int offset, u32 data);
#endif /* _LAN743X_H */