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