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Diffstat (limited to 'include/linux/ibmtr.h')
| -rw-r--r-- | include/linux/ibmtr.h | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/include/linux/ibmtr.h b/include/linux/ibmtr.h new file mode 100644 index 000000000000..2ef0b21517fb --- /dev/null +++ b/include/linux/ibmtr.h @@ -0,0 +1,373 @@ +#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 (HZ/20) /* 5 on PC = 50 ms */ +#define TR_BUSY_INTERVAL (HZ/5) /* 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 |