|  | #ifndef __LINUX_IBMTR_H__ | 
|  | #define __LINUX_IBMTR_H__ | 
|  |  | 
|  | /* Definitions for an IBM Token Ring card. */ | 
|  | /* This file is distributed under the GNU GPL   */ | 
|  |  | 
|  | /* ported to the Alpha architecture 02/20/96 (just used the HZ macro) */ | 
|  |  | 
|  | #define TR_RETRY_INTERVAL	(30*HZ)	/* 500 on PC = 5 s */ | 
|  | #define TR_RST_TIME		(msecs_to_jiffies(50))	/* 5 on PC = 50 ms */ | 
|  | #define TR_BUSY_INTERVAL	(msecs_to_jiffies(200))	/* 5 on PC = 200 ms */ | 
|  | #define TR_SPIN_INTERVAL	(3*HZ)	/* 3 seconds before init timeout */ | 
|  |  | 
|  | #define TR_ISA 1 | 
|  | #define TR_MCA 2 | 
|  | #define TR_ISAPNP 3 | 
|  | #define NOTOK 0 | 
|  |  | 
|  | #define IBMTR_SHARED_RAM_SIZE 0x10000 | 
|  | #define IBMTR_IO_EXTENT 4 | 
|  | #define IBMTR_MAX_ADAPTERS 4 | 
|  |  | 
|  | #define CHANNEL_ID      0X1F30 | 
|  | #define AIP             0X1F00 | 
|  | #define AIPADAPTYPE     0X1FA0 | 
|  | #define AIPDATARATE     0X1FA2 | 
|  | #define AIPEARLYTOKEN   0X1FA4 | 
|  | #define AIPAVAILSHRAM   0X1FA6 | 
|  | #define AIPSHRAMPAGE    0X1FA8 | 
|  | #define AIP4MBDHB       0X1FAA | 
|  | #define AIP16MBDHB      0X1FAC | 
|  | #define AIPFID		0X1FBA | 
|  |  | 
|  | #define ADAPTRESET      0x1     /* Control Adapter reset (add to base) */ | 
|  | #define ADAPTRESETREL   0x2     /* Release Adapter from reset ( """)  */ | 
|  | #define ADAPTINTREL	0x3 	/* Adapter interrupt release */ | 
|  |  | 
|  | #define GLOBAL_INT_ENABLE 0x02f0 | 
|  |  | 
|  | /* MMIO bits 0-4 select register */ | 
|  | #define RRR_EVEN       0x00 /* Shared RAM relocation registers - even and odd */ | 
|  | /* Used to set the starting address of shared RAM  */ | 
|  | /* Bits 1 through 7 of this register map to bits 13 through 19 of the shared | 
|  | RAM address.*/ | 
|  | /* ie: 0x02 sets RAM address to ...ato!  issy su wazzoo !! GODZILLA!!! */ | 
|  | #define RRR_ODD         0x01 | 
|  | /* Bits 2 and 3 of this register can be read to determine shared RAM size */ | 
|  | /* 00 for 8k, 01 for 16k, 10 for 32k, 11 for 64k  */ | 
|  | #define WRBR_EVEN       0x02    /* Write region base registers - even and odd */ | 
|  | #define WRBR_ODD        0x03 | 
|  | #define WWOR_EVEN       0x04    /* Write window open registers - even and odd */ | 
|  | #define WWOR_ODD        0x05 | 
|  | #define WWCR_EVEN       0x06   /* Write window close registers - even and odd */ | 
|  | #define WWCR_ODD        0x07 | 
|  |  | 
|  | /* Interrupt status registers - PC system  - even and odd */ | 
|  | #define ISRP_EVEN       0x08 | 
|  |  | 
|  | #define TCR_INT    0x10    /* Bit 4 - Timer interrupt.  The TVR_EVEN timer has | 
|  | expired. */ | 
|  | #define ERR_INT	   0x08    /* Bit 3 - Error interrupt.  The adapter has had an | 
|  | internal error. */ | 
|  | #define ACCESS_INT 0x04    /* Bit 2 - Access interrupt.  You have attempted to | 
|  | write to an invalid area of shared RAM | 
|  | or an invalid register within the MMIO. */ | 
|  | /* In addition, the following bits within ISRP_EVEN can be turned on or off   */ | 
|  | /* by you to control the interrupt processing:   */ | 
|  | #define INT_ENABLE 0x40 /* Bit 6 - Interrupt enable.  If 0, no interrupts will | 
|  | occur.  If 1, interrupts will occur normally. | 
|  | Normally set to 1.  */ | 
|  | /* Bit 0 - Primary or alternate adapter.  Set to zero if this adapter is the | 
|  | primary adapter, 1 if this adapter is the alternate adapter. */ | 
|  |  | 
|  |  | 
|  | #define ISRP_ODD        0x09 | 
|  |  | 
|  | #define ADAP_CHK_INT 0x40 /* Bit 6 - Adapter check.  the adapter has | 
|  | encountered a serious problem and has closed | 
|  | itself.  Whoa.  */ | 
|  | #define SRB_RESP_INT 0x20 /* Bit 5 - SRB response.  The adapter has accepted | 
|  | an SRB request and set the return code within | 
|  | the SRB. */ | 
|  | #define ASB_FREE_INT 0x10 /* Bit 4 - ASB free.  The adapter has read the ASB | 
|  | and this area can be safely reused. This interrupt | 
|  | is only used if your application has set the ASB | 
|  | free request bit in ISRA_ODD or if an error was | 
|  | detected in your response. */ | 
|  | #define ARB_CMD_INT  0x08 /* Bit 3 - ARB command.  The adapter has given you a | 
|  | command for action.  The command is located in the | 
|  | ARB area of shared memory. */ | 
|  | #define SSB_RESP_INT 0x04 /* Bit 2 - SSB response.  The adapter has posted a | 
|  | response to your SRB (the response is located in | 
|  | the SSB area of shared memory). */ | 
|  | /* Bit 1 - Bridge frame forward complete. */ | 
|  |  | 
|  |  | 
|  |  | 
|  | #define ISRA_EVEN 0x0A /*Interrupt status registers - adapter  - even and odd */ | 
|  | /* Bit 7 - Internal parity error (on adapter's internal bus) */ | 
|  | /* Bit 6 - Timer interrupt pending */ | 
|  | /* Bit 5 - Access interrupt (attempt by adapter to access illegal address) */ | 
|  | /* Bit 4 - Adapter microcode problem (microcode dead-man timer expired) */ | 
|  | /* Bit 3 - Adapter processor check status */ | 
|  | /* Bit 2 - Reserved */ | 
|  | /* Bit 1 - Adapter hardware interrupt mask (prevents internal interrupts) */ | 
|  | /* Bit 0 - Adapter software interrupt mask (prevents internal software ints) */ | 
|  |  | 
|  | #define ISRA_ODD        0x0B | 
|  | #define CMD_IN_SRB  0x20 /* Bit 5  - Indicates that you have placed a new | 
|  | command in the SRB and are ready for the adapter to | 
|  | process the command. */ | 
|  | #define RESP_IN_ASB 0x10 /* Bit 4 - Indicates that you have placed a response | 
|  | (an ASB) in the shared RAM which is available for | 
|  | the adapter's use. */ | 
|  | /* Bit 3 - Indicates that you are ready to put an SRB in the shared RAM, but | 
|  | that a previous command is still pending.  The adapter will then | 
|  | interrupt you when the previous command is completed */ | 
|  | /* Bit 2 - Indicates that you are ready to put an ASB in the shared RAM, but | 
|  | that a previous ASB is still pending.  The adapter will then interrupt | 
|  | you when the previous ASB is copied.  */ | 
|  | #define ARB_FREE 0x2 | 
|  | #define SSB_FREE 0x1 | 
|  |  | 
|  | #define TCR_EVEN        0x0C    /* Timer control registers - even and odd */ | 
|  | #define TCR_ODD         0x0D | 
|  | #define TVR_EVEN        0x0E    /* Timer value registers - even and odd */ | 
|  | #define TVR_ODD         0x0F | 
|  | #define SRPR_EVEN       0x18    /* Shared RAM paging registers - even and odd */ | 
|  | #define SRPR_ENABLE_PAGING 0xc0 | 
|  | #define SRPR_ODD        0x19	/* Not used. */ | 
|  | #define TOKREAD         0x60 | 
|  | #define TOKOR           0x40 | 
|  | #define TOKAND          0x20 | 
|  | #define TOKWRITE        0x00 | 
|  |  | 
|  | /* MMIO bits 5-6 select operation */ | 
|  | /* 00 is used to write to a register */ | 
|  | /* 01 is used to bitwise AND a byte with a register */ | 
|  | /* 10 is used to bitwise OR a byte with a register  */ | 
|  | /* 11 is used to read from a register */ | 
|  |  | 
|  | /* MMIO bits 7-8 select area of interest.. see below */ | 
|  | /* 00 selects attachment control area. */ | 
|  | /* 01 is reserved. */ | 
|  | /* 10 selects adapter identification area A containing the adapter encoded | 
|  | address. */ | 
|  | /* 11 selects the adapter identification area B containing test patterns. */ | 
|  |  | 
|  | #define PCCHANNELID 5049434F3631313039393020 | 
|  | #define MCCHANNELID 4D4152533633583435313820 | 
|  |  | 
|  | #define ACA_OFFSET 0x1e00 | 
|  | #define ACA_SET 0x40 | 
|  | #define ACA_RESET 0x20 | 
|  | #define ACA_RW 0x00 | 
|  |  | 
|  | #ifdef ENABLE_PAGING | 
|  | #define SET_PAGE(x) (writeb((x), ti->mmio + ACA_OFFSET+ ACA_RW + SRPR_EVEN)) | 
|  | #else | 
|  | #define SET_PAGE(x) | 
|  | #endif | 
|  |  | 
|  | /* do_tok_int possible values */ | 
|  | #define FIRST_INT 1 | 
|  | #define NOT_FIRST 2 | 
|  |  | 
|  | typedef enum {	CLOSED,	OPEN } open_state; | 
|  | //staic const char *printstate[] = { "CLOSED","OPEN"}; | 
|  |  | 
|  | struct tok_info { | 
|  | unsigned char irq; | 
|  | void __iomem *mmio; | 
|  | unsigned char hw_address[32]; | 
|  | unsigned char adapter_type; | 
|  | unsigned char data_rate; | 
|  | unsigned char token_release; | 
|  | unsigned char avail_shared_ram; | 
|  | unsigned char shared_ram_paging; | 
|  | unsigned char turbo; | 
|  | unsigned short dhb_size4mb; | 
|  | unsigned short rbuf_len4; | 
|  | unsigned short rbuf_cnt4; | 
|  | unsigned short maxmtu4; | 
|  | unsigned short dhb_size16mb; | 
|  | unsigned short rbuf_len16; | 
|  | unsigned short rbuf_cnt16; | 
|  | unsigned short maxmtu16; | 
|  | /* Additions by David Morris       */ | 
|  | unsigned char do_tok_int; | 
|  | wait_queue_head_t wait_for_reset; | 
|  | unsigned char sram_base; | 
|  | /* Additions by Peter De Schrijver */ | 
|  | unsigned char page_mask;          /* mask to select RAM page to Map*/ | 
|  | unsigned char mapped_ram_size;    /* size of RAM page */ | 
|  | __u32 sram_phys;          /* Shared memory base address */ | 
|  | void __iomem *sram_virt;          /* Shared memory base address */ | 
|  | void __iomem *init_srb;   /* Initial System Request Block address */ | 
|  | void __iomem *srb;                /* System Request Block address */ | 
|  | void __iomem *ssb;                /* System Status Block address */ | 
|  | void __iomem *arb;                /* Adapter Request Block address */ | 
|  | void __iomem *asb;                /* Adapter Status Block address */ | 
|  | __u8  init_srb_page; | 
|  | __u8  srb_page; | 
|  | __u8  ssb_page; | 
|  | __u8  arb_page; | 
|  | __u8  asb_page; | 
|  | unsigned short exsap_station_id; | 
|  | unsigned short global_int_enable; | 
|  | struct sk_buff *current_skb; | 
|  | struct net_device_stats tr_stats; | 
|  | unsigned char auto_speedsave; | 
|  | open_state			open_status, sap_status; | 
|  | enum {MANUAL, AUTOMATIC}	open_mode; | 
|  | enum {FAIL, RESTART, REOPEN}	open_action; | 
|  | enum {NO, YES}			open_failure; | 
|  | unsigned char readlog_pending; | 
|  | unsigned short adapter_int_enable; /* Adapter-specific int enable */ | 
|  | struct timer_list tr_timer; | 
|  | unsigned char ring_speed; | 
|  | spinlock_t lock;		/* SMP protection */ | 
|  | }; | 
|  |  | 
|  | /* token ring adapter commands */ | 
|  | #define DIR_INTERRUPT 		0x00 /* struct srb_interrupt */ | 
|  | #define DIR_MOD_OPEN_PARAMS 	0x01 | 
|  | #define DIR_OPEN_ADAPTER 	0x03 /* struct dir_open_adapter */ | 
|  | #define DIR_CLOSE_ADAPTER   	0x04 | 
|  | #define DIR_SET_GRP_ADDR    	0x06 | 
|  | #define DIR_SET_FUNC_ADDR   	0x07 /* struct srb_set_funct_addr */ | 
|  | #define DIR_READ_LOG 		0x08 /* struct srb_read_log */ | 
|  | #define DLC_OPEN_SAP 		0x15 /* struct dlc_open_sap */ | 
|  | #define DLC_CLOSE_SAP       	0x16 | 
|  | #define DATA_LOST 		0x20 /* struct asb_rec */ | 
|  | #define REC_DATA 		0x81 /* struct arb_rec_req */ | 
|  | #define XMIT_DATA_REQ 		0x82 /* struct arb_xmit_req */ | 
|  | #define DLC_STATUS 		0x83 /* struct arb_dlc_status */ | 
|  | #define RING_STAT_CHANGE    	0x84 /* struct dlc_open_sap ??? */ | 
|  |  | 
|  | /* DIR_OPEN_ADAPTER options */ | 
|  | #define OPEN_PASS_BCON_MAC 0x0100 | 
|  | #define NUM_RCV_BUF 2 | 
|  | #define RCV_BUF_LEN 1024 | 
|  | #define DHB_LENGTH 2048 | 
|  | #define NUM_DHB 2 | 
|  | #define DLC_MAX_SAP 2 | 
|  | #define DLC_MAX_STA 1 | 
|  |  | 
|  | /* DLC_OPEN_SAP options */ | 
|  | #define MAX_I_FIELD 0x0088 | 
|  | #define SAP_OPEN_IND_SAP 0x04 | 
|  | #define SAP_OPEN_PRIORITY 0x20 | 
|  | #define SAP_OPEN_STATION_CNT 0x1 | 
|  | #define XMIT_DIR_FRAME 0x0A | 
|  | #define XMIT_UI_FRAME  0x0d | 
|  | #define XMIT_XID_CMD   0x0e | 
|  | #define XMIT_TEST_CMD  0x11 | 
|  |  | 
|  | /* srb close return code */ | 
|  | #define SIGNAL_LOSS  0x8000 | 
|  | #define HARD_ERROR   0x4000 | 
|  | #define XMIT_BEACON  0x1000 | 
|  | #define LOBE_FAULT   0x0800 | 
|  | #define AUTO_REMOVAL 0x0400 | 
|  | #define REMOVE_RECV  0x0100 | 
|  | #define LOG_OVERFLOW 0x0080 | 
|  | #define RING_RECOVER 0x0020 | 
|  |  | 
|  | struct srb_init_response { | 
|  | unsigned char command; | 
|  | unsigned char init_status; | 
|  | unsigned char init_status_2; | 
|  | unsigned char reserved[3]; | 
|  | __u16 bring_up_code; | 
|  | __u16 encoded_address; | 
|  | __u16 level_address; | 
|  | __u16 adapter_address; | 
|  | __u16 parms_address; | 
|  | __u16 mac_address; | 
|  | }; | 
|  |  | 
|  | struct dir_open_adapter { | 
|  | unsigned char command; | 
|  | char reserved[7]; | 
|  | __u16 open_options; | 
|  | unsigned char node_address[6]; | 
|  | unsigned char group_address[4]; | 
|  | unsigned char funct_address[4]; | 
|  | __u16 num_rcv_buf; | 
|  | __u16 rcv_buf_len; | 
|  | __u16 dhb_length; | 
|  | unsigned char num_dhb; | 
|  | char reserved2; | 
|  | unsigned char dlc_max_sap; | 
|  | unsigned char dlc_max_sta; | 
|  | unsigned char dlc_max_gsap; | 
|  | unsigned char dlc_max_gmem; | 
|  | unsigned char dlc_t1_tick_1; | 
|  | unsigned char dlc_t2_tick_1; | 
|  | unsigned char dlc_ti_tick_1; | 
|  | unsigned char dlc_t1_tick_2; | 
|  | unsigned char dlc_t2_tick_2; | 
|  | unsigned char dlc_ti_tick_2; | 
|  | unsigned char product_id[18]; | 
|  | }; | 
|  |  | 
|  | struct dlc_open_sap { | 
|  | unsigned char command; | 
|  | unsigned char reserved1; | 
|  | unsigned char ret_code; | 
|  | unsigned char reserved2; | 
|  | __u16 station_id; | 
|  | unsigned char timer_t1; | 
|  | unsigned char timer_t2; | 
|  | unsigned char timer_ti; | 
|  | unsigned char maxout; | 
|  | unsigned char maxin; | 
|  | unsigned char maxout_incr; | 
|  | unsigned char max_retry_count; | 
|  | unsigned char gsap_max_mem; | 
|  | __u16 max_i_field; | 
|  | unsigned char sap_value; | 
|  | unsigned char sap_options; | 
|  | unsigned char station_count; | 
|  | unsigned char sap_gsap_mem; | 
|  | unsigned char gsap[0]; | 
|  | }; | 
|  |  | 
|  | struct srb_xmit { | 
|  | unsigned char command; | 
|  | unsigned char cmd_corr; | 
|  | unsigned char ret_code; | 
|  | unsigned char reserved1; | 
|  | __u16 station_id; | 
|  | }; | 
|  |  | 
|  | struct arb_rec_req { | 
|  | unsigned char command; | 
|  | unsigned char reserved1[3]; | 
|  | __u16 station_id; | 
|  | __u16 rec_buf_addr; | 
|  | unsigned char lan_hdr_len; | 
|  | unsigned char dlc_hdr_len; | 
|  | __u16 frame_len; | 
|  | unsigned char msg_type; | 
|  | }; | 
|  |  | 
|  | struct asb_rec { | 
|  | unsigned char command; | 
|  | unsigned char reserved1; | 
|  | unsigned char ret_code; | 
|  | unsigned char reserved2; | 
|  | __u16 station_id; | 
|  | __u16 rec_buf_addr; | 
|  | }; | 
|  |  | 
|  | struct rec_buf { | 
|  | unsigned char reserved1[2]; | 
|  | __u16 buf_ptr; | 
|  | unsigned char reserved2; | 
|  | unsigned char receive_fs; | 
|  | __u16 buf_len; | 
|  | unsigned char data[0]; | 
|  | }; | 
|  |  | 
|  | struct srb_set_funct_addr { | 
|  | unsigned char command; | 
|  | unsigned char reserved1; | 
|  | unsigned char ret_code; | 
|  | unsigned char reserved2[3]; | 
|  | unsigned char funct_address[4]; | 
|  | }; | 
|  |  | 
|  | #endif |