| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Chris Snook | 1577 | 99.56% | 1 | 16.67% |
| Thomas Gleixner | 2 | 0.13% | 1 | 16.67% |
| Joe Perches | 2 | 0.13% | 1 | 16.67% |
| Colin Ian King | 1 | 0.06% | 1 | 16.67% |
| Daniel Mack | 1 | 0.06% | 1 | 16.67% |
| Arun Sharma | 1 | 0.06% | 1 | 16.67% |
| Total | 1584 | 6 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* atl2.h -- atl2 driver definitions * * Copyright(c) 2007 Atheros Corporation. All rights reserved. * Copyright(c) 2006 xiong huang <xiong.huang@atheros.com> * Copyright(c) 2007 Chris Snook <csnook@redhat.com> * * Derived from Intel e1000 driver * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. */ #ifndef _ATL2_H_ #define _ATL2_H_ #include <linux/atomic.h> #include <linux/netdevice.h> #ifndef _ATL2_HW_H_ #define _ATL2_HW_H_ #ifndef _ATL2_OSDEP_H_ #define _ATL2_OSDEP_H_ #include <linux/pci.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/if_ether.h> #include "atlx.h" #ifdef ETHTOOL_OPS_COMPAT int ethtool_ioctl(struct ifreq *ifr); #endif #define PCI_COMMAND_REGISTER PCI_COMMAND #define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE #define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \ ((a)->hw_addr + (reg)))) #define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr)) #define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg))) #define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \ ((a)->hw_addr + (reg)))) #define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg))) #define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \ ((a)->hw_addr + (reg)))) #define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg))) #define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \ (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2)))) #define ATL2_READ_REG_ARRAY(a, reg, offset) \ (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2))) #endif /* _ATL2_OSDEP_H_ */ struct atl2_adapter; struct atl2_hw; /* function prototype */ static s32 atl2_reset_hw(struct atl2_hw *hw); static s32 atl2_read_mac_addr(struct atl2_hw *hw); static s32 atl2_init_hw(struct atl2_hw *hw); static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, u16 *duplex); static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr); static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value); static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data); static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data); static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); static void atl2_set_mac_addr(struct atl2_hw *hw); static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue); static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value); static s32 atl2_phy_init(struct atl2_hw *hw); static int atl2_check_eeprom_exist(struct atl2_hw *hw); static void atl2_force_ps(struct atl2_hw *hw); /* register definition */ /* Block IDLE Status Register */ #define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */ #define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */ #define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */ #define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */ /* MDIO Control Register */ #define MDIO_WAIT_TIMES 10 /* MAC Control Register */ #define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */ #define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */ #define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28 #define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */ /* Internal SRAM Partition Register */ #define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM * default: 2byte*1024 */ #define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM * default: 2byte*1024 */ /* Descriptor Control register */ #define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit * Data Mem low 32-bit(dword align) */ #define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by * double word , max 256KB) */ #define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit * Status Memory low 32-bit(dword word * align) */ #define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047 * bytes. */ #define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit * Status Memory low 32-bit(unit 8 * bytes) */ #define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer * number (unit 1536bytes, max * 1536*2047) */ /* DMAR Control Register */ #define REG_DMAR 0x1580 #define DMAR_EN 0x1 /* 1: Enable DMAR */ /* TX Cur-Through (early tx threshold) Control Register */ #define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet * threshold(unit word) */ /* DMAW Control Register */ #define REG_DMAW 0x15A0 #define DMAW_EN 0x1 /* Flow control register */ #define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow * threshold configuration register */ #define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow * threshold configuration register */ /* Mailbox Register */ #define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */ #define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */ /* Interrupt Status Register */ #define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */ #define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set * when SW_MAN_INT_EN is set in Table 51 * Selene Master Control Register * (Offset 0x1400). */ #define ISR_RXF_OV 4 /* RXF overflow interrupt */ #define ISR_TXF_UR 8 /* TXF underrun interrupt */ #define ISR_TXS_OV 0x10 /* Internal transmit status buffer full * interrupt */ #define ISR_RXS_OV 0x20 /* Internal receive status buffer full * interrupt */ #define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */ #define ISR_HOST_TXD_UR 0x80 #define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */ #define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should * do Reset */ #define ISR_DMAW_TO_RST 0x400 #define ISR_PHY 0x800 /* phy interrupt */ #define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written * to host */ #define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written * to host. */ #define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one * packet */ #define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\ ISR_TS_UPDATE | ISR_TX_EARLY) #define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\ ISR_RS_UPDATE) #define IMR_NORMAL_MASK (\ /*ISR_LINK_CHG |*/\ ISR_MANUAL |\ ISR_DMAR_TO_RST |\ ISR_DMAW_TO_RST |\ ISR_PHY |\ ISR_PHY_LINKDOWN |\ ISR_TS_UPDATE |\ ISR_RS_UPDATE) /* Receive MAC Statistics Registers */ #define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */ #define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX * FIFO overflow */ #define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX * Status Buffer Overflow */ #define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to * address filtering */ /* MII definitions */ /* PHY Common Register */ #define MII_SMARTSPEED 0x14 #define MII_DBG_ADDR 0x1D #define MII_DBG_DATA 0x1E /* PCI Command Register Bit Definitions */ #define PCI_REG_COMMAND 0x04 #define CMD_IO_SPACE 0x0001 #define CMD_MEMORY_SPACE 0x0002 #define CMD_BUS_MASTER 0x0004 #define MEDIA_TYPE_100M_FULL 1 #define MEDIA_TYPE_100M_HALF 2 #define MEDIA_TYPE_10M_FULL 3 #define MEDIA_TYPE_10M_HALF 4 #define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */ /* The size (in bytes) of a ethernet packet */ #define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ #define MAX_JUMBO_FRAME_SIZE 0x2000 struct tx_pkt_header { unsigned pkt_size:11; unsigned:4; /* reserved */ unsigned ins_vlan:1; /* txmac should insert vlan */ unsigned short vlan; /* vlan tag */ }; /* FIXME: replace above bitfields with MASK/SHIFT defines below */ #define TX_PKT_HEADER_SIZE_MASK 0x7FF #define TX_PKT_HEADER_SIZE_SHIFT 0 #define TX_PKT_HEADER_INS_VLAN_MASK 0x1 #define TX_PKT_HEADER_INS_VLAN_SHIFT 15 #define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF #define TX_PKT_HEADER_VLAN_TAG_SHIFT 16 struct tx_pkt_status { unsigned pkt_size:11; unsigned:5; /* reserved */ unsigned ok:1; /* current packet transmitted without error */ unsigned bcast:1; /* broadcast packet */ unsigned mcast:1; /* multicast packet */ unsigned pause:1; /* transmiited a pause frame */ unsigned ctrl:1; unsigned defer:1; /* current packet is xmitted with defer */ unsigned exc_defer:1; unsigned single_col:1; unsigned multi_col:1; unsigned late_col:1; unsigned abort_col:1; unsigned underrun:1; /* current packet is aborted * due to txram underrun */ unsigned:3; /* reserved */ unsigned update:1; /* always 1'b1 in tx_status_buf */ }; /* FIXME: replace above bitfields with MASK/SHIFT defines below */ #define TX_PKT_STATUS_SIZE_MASK 0x7FF #define TX_PKT_STATUS_SIZE_SHIFT 0 #define TX_PKT_STATUS_OK_MASK 0x1 #define TX_PKT_STATUS_OK_SHIFT 16 #define TX_PKT_STATUS_BCAST_MASK 0x1 #define TX_PKT_STATUS_BCAST_SHIFT 17 #define TX_PKT_STATUS_MCAST_MASK 0x1 #define TX_PKT_STATUS_MCAST_SHIFT 18 #define TX_PKT_STATUS_PAUSE_MASK 0x1 #define TX_PKT_STATUS_PAUSE_SHIFT 19 #define TX_PKT_STATUS_CTRL_MASK 0x1 #define TX_PKT_STATUS_CTRL_SHIFT 20 #define TX_PKT_STATUS_DEFER_MASK 0x1 #define TX_PKT_STATUS_DEFER_SHIFT 21 #define TX_PKT_STATUS_EXC_DEFER_MASK 0x1 #define TX_PKT_STATUS_EXC_DEFER_SHIFT 22 #define TX_PKT_STATUS_SINGLE_COL_MASK 0x1 #define TX_PKT_STATUS_SINGLE_COL_SHIFT 23 #define TX_PKT_STATUS_MULTI_COL_MASK 0x1 #define TX_PKT_STATUS_MULTI_COL_SHIFT 24 #define TX_PKT_STATUS_LATE_COL_MASK 0x1 #define TX_PKT_STATUS_LATE_COL_SHIFT 25 #define TX_PKT_STATUS_ABORT_COL_MASK 0x1 #define TX_PKT_STATUS_ABORT_COL_SHIFT 26 #define TX_PKT_STATUS_UNDERRUN_MASK 0x1 #define TX_PKT_STATUS_UNDERRUN_SHIFT 27 #define TX_PKT_STATUS_UPDATE_MASK 0x1 #define TX_PKT_STATUS_UPDATE_SHIFT 31 struct rx_pkt_status { unsigned pkt_size:11; /* packet size, max 2047 bytes */ unsigned:5; /* reserved */ unsigned ok:1; /* current packet received ok without error */ unsigned bcast:1; /* current packet is broadcast */ unsigned mcast:1; /* current packet is multicast */ unsigned pause:1; unsigned ctrl:1; unsigned crc:1; /* received a packet with crc error */ unsigned code:1; /* received a packet with code error */ unsigned runt:1; /* received a packet less than 64 bytes * with good crc */ unsigned frag:1; /* received a packet less than 64 bytes * with bad crc */ unsigned trunc:1; /* current frame truncated due to rxram full */ unsigned align:1; /* this packet is alignment error */ unsigned vlan:1; /* this packet has vlan */ unsigned:3; /* reserved */ unsigned update:1; unsigned short vtag; /* vlan tag */ unsigned:16; }; /* FIXME: replace above bitfields with MASK/SHIFT defines below */ #define RX_PKT_STATUS_SIZE_MASK 0x7FF #define RX_PKT_STATUS_SIZE_SHIFT 0 #define RX_PKT_STATUS_OK_MASK 0x1 #define RX_PKT_STATUS_OK_SHIFT 16 #define RX_PKT_STATUS_BCAST_MASK 0x1 #define RX_PKT_STATUS_BCAST_SHIFT 17 #define RX_PKT_STATUS_MCAST_MASK 0x1 #define RX_PKT_STATUS_MCAST_SHIFT 18 #define RX_PKT_STATUS_PAUSE_MASK 0x1 #define RX_PKT_STATUS_PAUSE_SHIFT 19 #define RX_PKT_STATUS_CTRL_MASK 0x1 #define RX_PKT_STATUS_CTRL_SHIFT 20 #define RX_PKT_STATUS_CRC_MASK 0x1 #define RX_PKT_STATUS_CRC_SHIFT 21 #define RX_PKT_STATUS_CODE_MASK 0x1 #define RX_PKT_STATUS_CODE_SHIFT 22 #define RX_PKT_STATUS_RUNT_MASK 0x1 #define RX_PKT_STATUS_RUNT_SHIFT 23 #define RX_PKT_STATUS_FRAG_MASK 0x1 #define RX_PKT_STATUS_FRAG_SHIFT 24 #define RX_PKT_STATUS_TRUNK_MASK 0x1 #define RX_PKT_STATUS_TRUNK_SHIFT 25 #define RX_PKT_STATUS_ALIGN_MASK 0x1 #define RX_PKT_STATUS_ALIGN_SHIFT 26 #define RX_PKT_STATUS_VLAN_MASK 0x1 #define RX_PKT_STATUS_VLAN_SHIFT 27 #define RX_PKT_STATUS_UPDATE_MASK 0x1 #define RX_PKT_STATUS_UPDATE_SHIFT 31 #define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF #define RX_PKT_STATUS_VLAN_TAG_SHIFT 32 struct rx_desc { struct rx_pkt_status status; unsigned char packet[1536-sizeof(struct rx_pkt_status)]; }; enum atl2_speed_duplex { atl2_10_half = 0, atl2_10_full = 1, atl2_100_half = 2, atl2_100_full = 3 }; struct atl2_spi_flash_dev { const char *manu_name; /* manufacturer id */ /* op-code */ u8 cmdWRSR; u8 cmdREAD; u8 cmdPROGRAM; u8 cmdWREN; u8 cmdWRDI; u8 cmdRDSR; u8 cmdRDID; u8 cmdSECTOR_ERASE; u8 cmdCHIP_ERASE; }; /* Structure containing variables used by the shared code (atl2_hw.c) */ struct atl2_hw { u8 __iomem *hw_addr; void *back; u8 preamble_len; u8 max_retry; /* Retransmission maximum, afterwards the * packet will be discarded. */ u8 jam_ipg; /* IPG to start JAM for collision based flow * control in half-duplex mode. In unit of * 8-bit time. */ u8 ipgt; /* Desired back to back inter-packet gap. The * default is 96-bit time. */ u8 min_ifg; /* Minimum number of IFG to enforce in between * RX frames. Frame gap below such IFP is * dropped. */ u8 ipgr1; /* 64bit Carrier-Sense window */ u8 ipgr2; /* 96-bit IPG window */ u8 retry_buf; /* When half-duplex mode, should hold some * bytes for mac retry . (8*4bytes unit) */ u16 fc_rxd_hi; u16 fc_rxd_lo; u16 lcol; /* Collision Window */ u16 max_frame_size; u16 MediaType; u16 autoneg_advertised; u16 pci_cmd_word; u16 mii_autoneg_adv_reg; u32 mem_rang; u32 txcw; u32 mc_filter_type; u32 num_mc_addrs; u32 collision_delta; u32 tx_packet_delta; u16 phy_spd_default; u16 device_id; u16 vendor_id; u16 subsystem_id; u16 subsystem_vendor_id; u8 revision_id; /* spi flash */ u8 flash_vendor; u8 dma_fairness; u8 mac_addr[ETH_ALEN]; u8 perm_mac_addr[ETH_ALEN]; /* FIXME */ /* bool phy_preamble_sup; */ bool phy_configured; }; #endif /* _ATL2_HW_H_ */ struct atl2_ring_header { /* pointer to the descriptor ring memory */ void *desc; /* physical address of the descriptor ring */ dma_addr_t dma; /* length of descriptor ring in bytes */ unsigned int size; }; /* board specific private data structure */ struct atl2_adapter { /* OS defined structs */ struct net_device *netdev; struct pci_dev *pdev; u32 wol; u16 link_speed; u16 link_duplex; spinlock_t stats_lock; struct work_struct reset_task; struct work_struct link_chg_task; struct timer_list watchdog_timer; struct timer_list phy_config_timer; unsigned long cfg_phy; bool mac_disabled; /* All Descriptor memory */ dma_addr_t ring_dma; void *ring_vir_addr; int ring_size; struct tx_pkt_header *txd_ring; dma_addr_t txd_dma; struct tx_pkt_status *txs_ring; dma_addr_t txs_dma; struct rx_desc *rxd_ring; dma_addr_t rxd_dma; u32 txd_ring_size; /* bytes per unit */ u32 txs_ring_size; /* dwords per unit */ u32 rxd_ring_size; /* 1536 bytes per unit */ /* read /write ptr: */ /* host */ u32 txd_write_ptr; u32 txs_next_clear; u32 rxd_read_ptr; /* nic */ atomic_t txd_read_ptr; atomic_t txs_write_ptr; u32 rxd_write_ptr; /* Interrupt Moderator timer ( 2us resolution) */ u16 imt; /* Interrupt Clear timer (2us resolution) */ u16 ict; unsigned long flags; /* structs defined in atl2_hw.h */ u32 bd_number; /* board number */ bool pci_using_64; bool have_msi; struct atl2_hw hw; u32 usr_cmd; /* FIXME */ /* u32 regs_buff[ATL2_REGS_LEN]; */ u32 pci_state[16]; u32 *config_space; }; enum atl2_state_t { __ATL2_TESTING, __ATL2_RESETTING, __ATL2_DOWN }; #endif /* _ATL2_H_ */
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