mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 18:24:13 +00:00
dcc59a9789
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
322 lines
7.7 KiB
C
322 lines
7.7 KiB
C
/*
|
|
* olympic.h (c) 1999 Peter De Schrijver All Rights Reserved
|
|
* 1999,2000 Mike Phillips (mikep@linuxtr.net)
|
|
*
|
|
* Linux driver for IBM PCI tokenring cards based on the olympic and the PIT/PHY chipset.
|
|
*
|
|
* Base Driver Skeleton:
|
|
* Written 1993-94 by Donald Becker.
|
|
*
|
|
* Copyright 1993 United States Government as represented by the
|
|
* Director, National Security Agency.
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License, incorporated herein by reference.
|
|
*/
|
|
|
|
#define CID 0x4e
|
|
|
|
#define BCTL 0x70
|
|
#define BCTL_SOFTRESET (1<<15)
|
|
#define BCTL_MIMREB (1<<6)
|
|
#define BCTL_MODE_INDICATOR (1<<5)
|
|
|
|
#define GPR 0x4a
|
|
#define GPR_OPTI_BF (1<<6)
|
|
#define GPR_NEPTUNE_BF (1<<4)
|
|
#define GPR_AUTOSENSE (1<<2)
|
|
#define GPR_16MBPS (1<<3)
|
|
|
|
#define PAG 0x85
|
|
#define LBC 0x8e
|
|
|
|
#define LISR 0x10
|
|
#define LISR_SUM 0x14
|
|
#define LISR_RWM 0x18
|
|
|
|
#define LISR_LIE (1<<15)
|
|
#define LISR_SLIM (1<<13)
|
|
#define LISR_SLI (1<<12)
|
|
#define LISR_PCMSRMASK (1<<11)
|
|
#define LISR_PCMSRINT (1<<10)
|
|
#define LISR_WOLMASK (1<<9)
|
|
#define LISR_WOL (1<<8)
|
|
#define LISR_SRB_CMD (1<<5)
|
|
#define LISR_ASB_REPLY (1<<4)
|
|
#define LISR_ASB_FREE_REQ (1<<2)
|
|
#define LISR_ARB_FREE (1<<1)
|
|
#define LISR_TRB_FRAME (1<<0)
|
|
|
|
#define SISR 0x20
|
|
#define SISR_SUM 0x24
|
|
#define SISR_RWM 0x28
|
|
#define SISR_RR 0x2C
|
|
#define SISR_RESMASK 0x30
|
|
#define SISR_MASK 0x54
|
|
#define SISR_MASK_SUM 0x58
|
|
#define SISR_MASK_RWM 0x5C
|
|
|
|
#define SISR_TX2_IDLE (1<<31)
|
|
#define SISR_TX2_HALT (1<<29)
|
|
#define SISR_TX2_EOF (1<<28)
|
|
#define SISR_TX1_IDLE (1<<27)
|
|
#define SISR_TX1_HALT (1<<25)
|
|
#define SISR_TX1_EOF (1<<24)
|
|
#define SISR_TIMEOUT (1<<23)
|
|
#define SISR_RX_NOBUF (1<<22)
|
|
#define SISR_RX_STATUS (1<<21)
|
|
#define SISR_RX_HALT (1<<18)
|
|
#define SISR_RX_EOF_EARLY (1<<16)
|
|
#define SISR_MI (1<<15)
|
|
#define SISR_PI (1<<13)
|
|
#define SISR_ERR (1<<9)
|
|
#define SISR_ADAPTER_CHECK (1<<6)
|
|
#define SISR_SRB_REPLY (1<<5)
|
|
#define SISR_ASB_FREE (1<<4)
|
|
#define SISR_ARB_CMD (1<<3)
|
|
#define SISR_TRB_REPLY (1<<2)
|
|
|
|
#define EISR 0x34
|
|
#define EISR_RWM 0x38
|
|
#define EISR_MASK 0x3c
|
|
#define EISR_MASK_OPTIONS 0x001FFF7F
|
|
|
|
#define LAPA 0x60
|
|
#define LAPWWO 0x64
|
|
#define LAPWWC 0x68
|
|
#define LAPCTL 0x6C
|
|
#define LAIPD 0x78
|
|
#define LAIPDDINC 0x7C
|
|
|
|
#define TIMER 0x50
|
|
|
|
#define CLKCTL 0x74
|
|
#define CLKCTL_PAUSE (1<<15)
|
|
|
|
#define PM_CON 0x4
|
|
|
|
#define BMCTL_SUM 0x40
|
|
#define BMCTL_RWM 0x44
|
|
#define BMCTL_TX2_DIS (1<<30)
|
|
#define BMCTL_TX1_DIS (1<<26)
|
|
#define BMCTL_RX_DIS (1<<22)
|
|
|
|
#define BMASR 0xcc
|
|
|
|
#define RXDESCQ 0x90
|
|
#define RXDESCQCNT 0x94
|
|
#define RXCDA 0x98
|
|
#define RXENQ 0x9C
|
|
#define RXSTATQ 0xA0
|
|
#define RXSTATQCNT 0xA4
|
|
#define RXCSA 0xA8
|
|
#define RXCLEN 0xAC
|
|
#define RXHLEN 0xAE
|
|
|
|
#define TXDESCQ_1 0xb0
|
|
#define TXDESCQ_2 0xd0
|
|
#define TXDESCQCNT_1 0xb4
|
|
#define TXDESCQCNT_2 0xd4
|
|
#define TXCDA_1 0xb8
|
|
#define TXCDA_2 0xd8
|
|
#define TXENQ_1 0xbc
|
|
#define TXENQ_2 0xdc
|
|
#define TXSTATQ_1 0xc0
|
|
#define TXSTATQ_2 0xe0
|
|
#define TXSTATQCNT_1 0xc4
|
|
#define TXSTATQCNT_2 0xe4
|
|
#define TXCSA_1 0xc8
|
|
#define TXCSA_2 0xe8
|
|
/* Cardbus */
|
|
#define FERMASK 0xf4
|
|
#define FERMASK_INT_BIT (1<<15)
|
|
|
|
#define OLYMPIC_IO_SPACE 256
|
|
|
|
#define SRB_COMMAND_SIZE 50
|
|
|
|
#define OLYMPIC_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */
|
|
|
|
/* Defines for LAN STATUS CHANGE reports */
|
|
#define LSC_SIG_LOSS 0x8000
|
|
#define LSC_HARD_ERR 0x4000
|
|
#define LSC_SOFT_ERR 0x2000
|
|
#define LSC_TRAN_BCN 0x1000
|
|
#define LSC_LWF 0x0800
|
|
#define LSC_ARW 0x0400
|
|
#define LSC_FPE 0x0200
|
|
#define LSC_RR 0x0100
|
|
#define LSC_CO 0x0080
|
|
#define LSC_SS 0x0040
|
|
#define LSC_RING_REC 0x0020
|
|
#define LSC_SR_CO 0x0010
|
|
#define LSC_FDX_MODE 0x0004
|
|
|
|
/* Defines for OPEN ADAPTER command */
|
|
|
|
#define OPEN_ADAPTER_EXT_WRAP (1<<15)
|
|
#define OPEN_ADAPTER_DIS_HARDEE (1<<14)
|
|
#define OPEN_ADAPTER_DIS_SOFTERR (1<<13)
|
|
#define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)
|
|
#define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)
|
|
#define OPEN_ADAPTER_ENABLE_EC (1<<10)
|
|
#define OPEN_ADAPTER_CONTENDER (1<<8)
|
|
#define OPEN_ADAPTER_PASS_BEACON (1<<7)
|
|
#define OPEN_ADAPTER_ENABLE_FDX (1<<6)
|
|
#define OPEN_ADAPTER_ENABLE_RPL (1<<5)
|
|
#define OPEN_ADAPTER_INHIBIT_ETR (1<<4)
|
|
#define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)
|
|
#define OPEN_ADAPTER_USE_OPTS2 (1<<0)
|
|
|
|
#define OPEN_ADAPTER_2_ENABLE_ONNOW (1<<15)
|
|
|
|
/* Defines for SRB Commands */
|
|
|
|
#define SRB_ACCESS_REGISTER 0x1f
|
|
#define SRB_CLOSE_ADAPTER 0x04
|
|
#define SRB_CONFIGURE_BRIDGE 0x0c
|
|
#define SRB_CONFIGURE_WAKEUP_EVENT 0x1a
|
|
#define SRB_MODIFY_BRIDGE_PARMS 0x15
|
|
#define SRB_MODIFY_OPEN_OPTIONS 0x01
|
|
#define SRB_MODIFY_RECEIVE_OPTIONS 0x17
|
|
#define SRB_NO_OPERATION 0x00
|
|
#define SRB_OPEN_ADAPTER 0x03
|
|
#define SRB_READ_LOG 0x08
|
|
#define SRB_READ_SR_COUNTERS 0x16
|
|
#define SRB_RESET_GROUP_ADDRESS 0x02
|
|
#define SRB_SAVE_CONFIGURATION 0x1b
|
|
#define SRB_SET_BRIDGE_PARMS 0x09
|
|
#define SRB_SET_BRIDGE_TARGETS 0x10
|
|
#define SRB_SET_FUNC_ADDRESS 0x07
|
|
#define SRB_SET_GROUP_ADDRESS 0x06
|
|
#define SRB_SET_GROUP_ADDR_OPTIONS 0x11
|
|
#define SRB_UPDATE_WAKEUP_PATTERN 0x19
|
|
|
|
/* Clear return code */
|
|
|
|
#define OLYMPIC_CLEAR_RET_CODE 0xfe
|
|
|
|
/* ARB Commands */
|
|
#define ARB_RECEIVE_DATA 0x81
|
|
#define ARB_LAN_CHANGE_STATUS 0x84
|
|
/* ASB Response commands */
|
|
|
|
#define ASB_RECEIVE_DATA 0x81
|
|
|
|
|
|
/* Olympic defaults for buffers */
|
|
|
|
#define OLYMPIC_RX_RING_SIZE 16 /* should be a power of 2 */
|
|
#define OLYMPIC_TX_RING_SIZE 8 /* should be a power of 2 */
|
|
|
|
#define PKT_BUF_SZ 4096 /* Default packet size */
|
|
|
|
/* Olympic data structures */
|
|
|
|
/* xxxx These structures are all little endian in hardware. */
|
|
|
|
struct olympic_tx_desc {
|
|
__le32 buffer;
|
|
__le32 status_length;
|
|
};
|
|
|
|
struct olympic_tx_status {
|
|
__le32 status;
|
|
};
|
|
|
|
struct olympic_rx_desc {
|
|
__le32 buffer;
|
|
__le32 res_length;
|
|
};
|
|
|
|
struct olympic_rx_status {
|
|
__le32 fragmentcnt_framelen;
|
|
__le32 status_buffercnt;
|
|
};
|
|
/* xxxx END These structures are all little endian in hardware. */
|
|
/* xxxx There may be more, but I'm pretty sure about these */
|
|
|
|
struct mac_receive_buffer {
|
|
__le16 next ;
|
|
u8 padding ;
|
|
u8 frame_status ;
|
|
__le16 buffer_length ;
|
|
u8 frame_data ;
|
|
};
|
|
|
|
struct olympic_private {
|
|
|
|
u16 srb; /* be16 */
|
|
u16 trb; /* be16 */
|
|
u16 arb; /* be16 */
|
|
u16 asb; /* be16 */
|
|
|
|
u8 __iomem *olympic_mmio;
|
|
u8 __iomem *olympic_lap;
|
|
struct pci_dev *pdev ;
|
|
const char *olympic_card_name;
|
|
|
|
spinlock_t olympic_lock ;
|
|
|
|
volatile int srb_queued; /* True if an SRB is still posted */
|
|
wait_queue_head_t srb_wait;
|
|
|
|
volatile int asb_queued; /* True if an ASB is posted */
|
|
|
|
volatile int trb_queued; /* True if a TRB is posted */
|
|
wait_queue_head_t trb_wait ;
|
|
|
|
/* These must be on a 4 byte boundary. */
|
|
struct olympic_rx_desc olympic_rx_ring[OLYMPIC_RX_RING_SIZE];
|
|
struct olympic_tx_desc olympic_tx_ring[OLYMPIC_TX_RING_SIZE];
|
|
struct olympic_rx_status olympic_rx_status_ring[OLYMPIC_RX_RING_SIZE];
|
|
struct olympic_tx_status olympic_tx_status_ring[OLYMPIC_TX_RING_SIZE];
|
|
|
|
struct sk_buff *tx_ring_skb[OLYMPIC_TX_RING_SIZE], *rx_ring_skb[OLYMPIC_RX_RING_SIZE];
|
|
int tx_ring_free, tx_ring_last_status, rx_ring_last_received,rx_status_last_received, free_tx_ring_entries;
|
|
|
|
u16 olympic_lan_status ;
|
|
u8 olympic_ring_speed ;
|
|
u16 pkt_buf_sz ;
|
|
u8 olympic_receive_options, olympic_copy_all_options,olympic_message_level, olympic_network_monitor;
|
|
u16 olympic_addr_table_addr, olympic_parms_addr ;
|
|
u8 olympic_laa[6] ;
|
|
u32 rx_ring_dma_addr;
|
|
u32 rx_status_ring_dma_addr;
|
|
u32 tx_ring_dma_addr;
|
|
u32 tx_status_ring_dma_addr;
|
|
};
|
|
|
|
struct olympic_adapter_addr_table {
|
|
|
|
u8 node_addr[6] ;
|
|
u8 reserved[4] ;
|
|
u8 func_addr[4] ;
|
|
} ;
|
|
|
|
struct olympic_parameters_table {
|
|
|
|
u8 phys_addr[4] ;
|
|
u8 up_node_addr[6] ;
|
|
u8 up_phys_addr[4] ;
|
|
u8 poll_addr[6] ;
|
|
u16 reserved ;
|
|
u16 acc_priority ;
|
|
u16 auth_source_class ;
|
|
u16 att_code ;
|
|
u8 source_addr[6] ;
|
|
u16 beacon_type ;
|
|
u16 major_vector ;
|
|
u16 lan_status ;
|
|
u16 soft_error_time ;
|
|
u16 reserved1 ;
|
|
u16 local_ring ;
|
|
u16 mon_error ;
|
|
u16 beacon_transmit ;
|
|
u16 beacon_receive ;
|
|
u16 frame_correl ;
|
|
u8 beacon_naun[6] ;
|
|
u32 reserved2 ;
|
|
u8 beacon_phys[4] ;
|
|
};
|