/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
#ifndef _TXGBE_TYPE_H_
#define _TXGBE_TYPE_H_
#include <linux/property.h>
#include <linux/irq.h>
/* Device IDs */
#define TXGBE_DEV_ID_SP1000 0x1001
#define TXGBE_DEV_ID_WX1820 0x2001
/* Subsystem IDs */
/* SFP */
#define TXGBE_ID_SP1000_SFP 0x0000
#define TXGBE_ID_WX1820_SFP 0x2000
#define TXGBE_ID_SFP 0x00
/* copper */
#define TXGBE_ID_SP1000_XAUI 0x1010
#define TXGBE_ID_WX1820_XAUI 0x2010
#define TXGBE_ID_XAUI 0x10
#define TXGBE_ID_SP1000_SGMII 0x1020
#define TXGBE_ID_WX1820_SGMII 0x2020
#define TXGBE_ID_SGMII 0x20
/* backplane */
#define TXGBE_ID_SP1000_KR_KX_KX4 0x1030
#define TXGBE_ID_WX1820_KR_KX_KX4 0x2030
#define TXGBE_ID_KR_KX_KX4 0x30
/* MAC Interface */
#define TXGBE_ID_SP1000_MAC_XAUI 0x1040
#define TXGBE_ID_WX1820_MAC_XAUI 0x2040
#define TXGBE_ID_MAC_XAUI 0x40
#define TXGBE_ID_SP1000_MAC_SGMII 0x1060
#define TXGBE_ID_WX1820_MAC_SGMII 0x2060
#define TXGBE_ID_MAC_SGMII 0x60
/* Combined interface*/
#define TXGBE_ID_SFI_XAUI 0x50
/* Revision ID */
#define TXGBE_SP_MPW 1
/**************** SP Registers ****************************/
/* chip control Registers */
#define TXGBE_MIS_PRB_CTL 0x10010
#define TXGBE_MIS_PRB_CTL_LAN_UP(_i) BIT(1 - (_i))
/* FMGR Registers */
#define TXGBE_SPI_ILDR_STATUS 0x10120
#define TXGBE_SPI_ILDR_STATUS_PERST BIT(0) /* PCIE_PERST is done */
#define TXGBE_SPI_ILDR_STATUS_PWRRST BIT(1) /* Power on reset is done */
#define TXGBE_SPI_ILDR_STATUS_LAN_SW_RST(_i) BIT((_i) + 9) /* lan soft reset done */
/* Sensors for PVT(Process Voltage Temperature) */
#define TXGBE_TS_CTL 0x10300
#define TXGBE_TS_CTL_EVAL_MD BIT(31)
/* GPIO register bit */
#define TXGBE_GPIOBIT_0 BIT(0) /* I:tx fault */
#define TXGBE_GPIOBIT_1 BIT(1) /* O:tx disabled */
#define TXGBE_GPIOBIT_2 BIT(2) /* I:sfp module absent */
#define TXGBE_GPIOBIT_3 BIT(3) /* I:rx signal lost */
#define TXGBE_GPIOBIT_4 BIT(4) /* O:rate select, 1G(0) 10G(1) */
#define TXGBE_GPIOBIT_5 BIT(5) /* O:rate select, 1G(0) 10G(1) */
/* Extended Interrupt Enable Set */
#define TXGBE_PX_MISC_ETH_LKDN BIT(8)
#define TXGBE_PX_MISC_DEV_RST BIT(10)
#define TXGBE_PX_MISC_ETH_EVENT BIT(17)
#define TXGBE_PX_MISC_ETH_LK BIT(18)
#define TXGBE_PX_MISC_ETH_AN BIT(19)
#define TXGBE_PX_MISC_INT_ERR BIT(20)
#define TXGBE_PX_MISC_GPIO BIT(26)
#define TXGBE_PX_MISC_IEN_MASK \
(TXGBE_PX_MISC_ETH_LKDN | TXGBE_PX_MISC_DEV_RST | \
TXGBE_PX_MISC_ETH_EVENT | TXGBE_PX_MISC_ETH_LK | \
TXGBE_PX_MISC_ETH_AN | TXGBE_PX_MISC_INT_ERR | \
TXGBE_PX_MISC_GPIO)
/* Port cfg registers */
#define TXGBE_CFG_PORT_ST 0x14404
#define TXGBE_CFG_PORT_ST_LINK_UP BIT(0)
/* I2C registers */
#define TXGBE_I2C_BASE 0x14900
/************************************** ETH PHY ******************************/
#define TXGBE_XPCS_IDA_ADDR 0x13000
#define TXGBE_XPCS_IDA_DATA 0x13004
/********************************* Flow Director *****************************/
#define TXGBE_RDB_FDIR_DROP_QUEUE 127
#define TXGBE_RDB_FDIR_CTL 0x19500
#define TXGBE_RDB_FDIR_CTL_INIT_DONE BIT(3)
#define TXGBE_RDB_FDIR_CTL_PERFECT_MATCH BIT(4)
#define TXGBE_RDB_FDIR_CTL_DROP_Q(v) FIELD_PREP(GENMASK(14, 8), v)
#define TXGBE_RDB_FDIR_CTL_HASH_BITS(v) FIELD_PREP(GENMASK(23, 20), v)
#define TXGBE_RDB_FDIR_CTL_MAX_LENGTH(v) FIELD_PREP(GENMASK(27, 24), v)
#define TXGBE_RDB_FDIR_CTL_FULL_THRESH(v) FIELD_PREP(GENMASK(31, 28), v)
#define TXGBE_RDB_FDIR_IP6(_i) (0x1950C + ((_i) * 4)) /* 0-2 */
#define TXGBE_RDB_FDIR_SA 0x19518
#define TXGBE_RDB_FDIR_DA 0x1951C
#define TXGBE_RDB_FDIR_PORT 0x19520
#define TXGBE_RDB_FDIR_PORT_DESTINATION_SHIFT 16
#define TXGBE_RDB_FDIR_FLEX 0x19524
#define TXGBE_RDB_FDIR_FLEX_FLEX_SHIFT 16
#define TXGBE_RDB_FDIR_HASH 0x19528
#define TXGBE_RDB_FDIR_HASH_SIG_SW_INDEX(v) FIELD_PREP(GENMASK(31, 16), v)
#define TXGBE_RDB_FDIR_HASH_BUCKET_VALID BIT(15)
#define TXGBE_RDB_FDIR_CMD 0x1952C
#define TXGBE_RDB_FDIR_CMD_CMD_MASK GENMASK(1, 0)
#define TXGBE_RDB_FDIR_CMD_CMD(v) FIELD_PREP(GENMASK(1, 0), v)
#define TXGBE_RDB_FDIR_CMD_CMD_ADD_FLOW TXGBE_RDB_FDIR_CMD_CMD(1)
#define TXGBE_RDB_FDIR_CMD_CMD_REMOVE_FLOW TXGBE_RDB_FDIR_CMD_CMD(2)
#define TXGBE_RDB_FDIR_CMD_CMD_QUERY_REM_FILT TXGBE_RDB_FDIR_CMD_CMD(3)
#define TXGBE_RDB_FDIR_CMD_FILTER_VALID BIT(2)
#define TXGBE_RDB_FDIR_CMD_FILTER_UPDATE BIT(3)
#define TXGBE_RDB_FDIR_CMD_FLOW_TYPE(v) FIELD_PREP(GENMASK(6, 5), v)
#define TXGBE_RDB_FDIR_CMD_DROP BIT(9)
#define TXGBE_RDB_FDIR_CMD_LAST BIT(11)
#define TXGBE_RDB_FDIR_CMD_QUEUE_EN BIT(15)
#define TXGBE_RDB_FDIR_CMD_RX_QUEUE(v) FIELD_PREP(GENMASK(22, 16), v)
#define TXGBE_RDB_FDIR_CMD_VT_POOL(v) FIELD_PREP(GENMASK(29, 24), v)
#define TXGBE_RDB_FDIR_DA4_MSK 0x1953C
#define TXGBE_RDB_FDIR_SA4_MSK 0x19540
#define TXGBE_RDB_FDIR_TCP_MSK 0x19544
#define TXGBE_RDB_FDIR_UDP_MSK 0x19548
#define TXGBE_RDB_FDIR_SCTP_MSK 0x19560
#define TXGBE_RDB_FDIR_HKEY 0x19568
#define TXGBE_RDB_FDIR_SKEY 0x1956C
#define TXGBE_RDB_FDIR_OTHER_MSK 0x19570
#define TXGBE_RDB_FDIR_OTHER_MSK_POOL BIT(2)
#define TXGBE_RDB_FDIR_OTHER_MSK_L4P BIT(3)
#define TXGBE_RDB_FDIR_FLEX_CFG(_i) (0x19580 + ((_i) * 4))
#define TXGBE_RDB_FDIR_FLEX_CFG_FIELD0 GENMASK(7, 0)
#define TXGBE_RDB_FDIR_FLEX_CFG_BASE_MAC FIELD_PREP(GENMASK(1, 0), 0)
#define TXGBE_RDB_FDIR_FLEX_CFG_MSK BIT(2)
#define TXGBE_RDB_FDIR_FLEX_CFG_OFST(v) FIELD_PREP(GENMASK(7, 3), v)
/* Checksum and EEPROM pointers */
#define TXGBE_EEPROM_LAST_WORD 0x800
#define TXGBE_EEPROM_CHECKSUM 0x2F
#define TXGBE_EEPROM_SUM 0xBABA
#define TXGBE_EEPROM_VERSION_L 0x1D
#define TXGBE_EEPROM_VERSION_H 0x1E
#define TXGBE_ISCSI_BOOT_CONFIG 0x07
#define TXGBE_MAX_MSIX_VECTORS 64
#define TXGBE_MAX_FDIR_INDICES 63
#define TXGBE_MAX_RSS_INDICES 63
#define TXGBE_MAX_RX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1)
#define TXGBE_MAX_TX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1)
#define TXGBE_SP_MAX_TX_QUEUES 128
#define TXGBE_SP_MAX_RX_QUEUES 128
#define TXGBE_SP_RAR_ENTRIES 128
#define TXGBE_SP_MC_TBL_SIZE 128
#define TXGBE_SP_VFT_TBL_SIZE 128
#define TXGBE_SP_RX_PB_SIZE 512
#define TXGBE_SP_TDB_PB_SZ (160 * 1024) /* 160KB Packet Buffer */
#define TXGBE_DEFAULT_ATR_SAMPLE_RATE 20
/* Software ATR hash keys */
#define TXGBE_ATR_BUCKET_HASH_KEY 0x3DAD14E2
#define TXGBE_ATR_SIGNATURE_HASH_KEY 0x174D3614
/* Software ATR input stream values and masks */
#define TXGBE_ATR_HASH_MASK 0x7fff
#define TXGBE_ATR_L4TYPE_MASK 0x3
#define TXGBE_ATR_L4TYPE_UDP 0x1
#define TXGBE_ATR_L4TYPE_TCP 0x2
#define TXGBE_ATR_L4TYPE_SCTP 0x3
#define TXGBE_ATR_L4TYPE_IPV6_MASK 0x4
#define TXGBE_ATR_L4TYPE_TUNNEL_MASK 0x10
enum txgbe_atr_flow_type {
TXGBE_ATR_FLOW_TYPE_IPV4 = 0x0,
TXGBE_ATR_FLOW_TYPE_UDPV4 = 0x1,
TXGBE_ATR_FLOW_TYPE_TCPV4 = 0x2,
TXGBE_ATR_FLOW_TYPE_SCTPV4 = 0x3,
TXGBE_ATR_FLOW_TYPE_IPV6 = 0x4,
TXGBE_ATR_FLOW_TYPE_UDPV6 = 0x5,
TXGBE_ATR_FLOW_TYPE_TCPV6 = 0x6,
TXGBE_ATR_FLOW_TYPE_SCTPV6 = 0x7,
TXGBE_ATR_FLOW_TYPE_TUNNELED_IPV4 = 0x10,
TXGBE_ATR_FLOW_TYPE_TUNNELED_UDPV4 = 0x11,
TXGBE_ATR_FLOW_TYPE_TUNNELED_TCPV4 = 0x12,
TXGBE_ATR_FLOW_TYPE_TUNNELED_SCTPV4 = 0x13,
TXGBE_ATR_FLOW_TYPE_TUNNELED_IPV6 = 0x14,
TXGBE_ATR_FLOW_TYPE_TUNNELED_UDPV6 = 0x15,
TXGBE_ATR_FLOW_TYPE_TUNNELED_TCPV6 = 0x16,
TXGBE_ATR_FLOW_TYPE_TUNNELED_SCTPV6 = 0x17,
};
/* Flow Director ATR input struct. */
union txgbe_atr_input {
/* Byte layout in order, all values with MSB first:
*
* vm_pool - 1 byte
* flow_type - 1 byte
* vlan_id - 2 bytes
* dst_ip - 16 bytes
* src_ip - 16 bytes
* src_port - 2 bytes
* dst_port - 2 bytes
* flex_bytes - 2 bytes
* bkt_hash - 2 bytes
*/
struct {
u8 vm_pool;
u8 flow_type;
__be16 vlan_id;
__be32 dst_ip[4];
__be32 src_ip[4];
__be16 src_port;
__be16 dst_port;
__be16 flex_bytes;
__be16 bkt_hash;
} formatted;
__be32 dword_stream[11];
};
/* Flow Director compressed ATR hash input struct */
union txgbe_atr_hash_dword {
struct {
u8 vm_pool;
u8 flow_type;
__be16 vlan_id;
} formatted;
__be32 ip;
struct {
__be16 src;
__be16 dst;
} port;
__be16 flex_bytes;
__be32 dword;
};
enum txgbe_fdir_pballoc_type {
TXGBE_FDIR_PBALLOC_NONE = 0,
TXGBE_FDIR_PBALLOC_64K = 1,
TXGBE_FDIR_PBALLOC_128K = 2,
TXGBE_FDIR_PBALLOC_256K = 3,
};
struct txgbe_fdir_filter {
struct hlist_node fdir_node;
union txgbe_atr_input filter;
u16 sw_idx;
u16 action;
};
/* TX/RX descriptor defines */
#define TXGBE_DEFAULT_TXD 512
#define TXGBE_DEFAULT_TX_WORK 256
#if (PAGE_SIZE < 8192)
#define TXGBE_DEFAULT_RXD 512
#define TXGBE_DEFAULT_RX_WORK 256
#else
#define TXGBE_DEFAULT_RXD 256
#define TXGBE_DEFAULT_RX_WORK 128
#endif
#define TXGBE_INTR_MISC BIT(0)
#define TXGBE_INTR_QALL(A) GENMASK((A)->num_q_vectors, 1)
#define TXGBE_MAX_EITR GENMASK(11, 3)
extern char txgbe_driver_name[];
void txgbe_down(struct wx *wx);
void txgbe_up(struct wx *wx);
int txgbe_setup_tc(struct net_device *dev, u8 tc);
void txgbe_do_reset(struct net_device *netdev);
#define NODE_PROP(_NAME, _PROP) \
(const struct software_node) { \
.name = _NAME, \
.properties = _PROP, \
}
enum txgbe_swnodes {
SWNODE_GPIO = 0,
SWNODE_I2C,
SWNODE_SFP,
SWNODE_PHYLINK,
SWNODE_MAX
};
struct txgbe_nodes {
char gpio_name[32];
char i2c_name[32];
char sfp_name[32];
char phylink_name[32];
struct property_entry gpio_props[1];
struct property_entry i2c_props[3];
struct property_entry sfp_props[8];
struct property_entry phylink_props[2];
struct software_node_ref_args i2c_ref[1];
struct software_node_ref_args gpio0_ref[1];
struct software_node_ref_args gpio1_ref[1];
struct software_node_ref_args gpio2_ref[1];
struct software_node_ref_args gpio3_ref[1];
struct software_node_ref_args gpio4_ref[1];
struct software_node_ref_args gpio5_ref[1];
struct software_node_ref_args sfp_ref[1];
struct software_node swnodes[SWNODE_MAX];
const struct software_node *group[SWNODE_MAX + 1];
};
enum txgbe_misc_irqs {
TXGBE_IRQ_GPIO = 0,
TXGBE_IRQ_LINK,
TXGBE_IRQ_MAX
};
struct txgbe_irq {
struct irq_chip chip;
struct irq_domain *domain;
int nirqs;
int irq;
};
struct txgbe {
struct wx *wx;
struct txgbe_nodes nodes;
struct txgbe_irq misc;
struct dw_xpcs *xpcs;
struct platform_device *sfp_dev;
struct platform_device *i2c_dev;
struct clk_lookup *clock;
struct clk *clk;
struct gpio_chip *gpio;
unsigned int gpio_irq;
unsigned int link_irq;
/* flow director */
struct hlist_head fdir_filter_list;
union txgbe_atr_input fdir_mask;
int fdir_filter_count;
spinlock_t fdir_perfect_lock; /* spinlock for FDIR */
};
#endif /* _TXGBE_TYPE_H_ */