diff options
Diffstat (limited to 'drivers/atm/ambassador.h')
| -rw-r--r-- | drivers/atm/ambassador.h | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/drivers/atm/ambassador.h b/drivers/atm/ambassador.h deleted file mode 100644 index 086ceb8568dc..000000000000 --- a/drivers/atm/ambassador.h +++ /dev/null @@ -1,648 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - Madge Ambassador ATM Adapter driver. - Copyright (C) 1995-1999 Madge Networks Ltd. - -*/ - -#ifndef AMBASSADOR_H -#define AMBASSADOR_H - - -#ifdef CONFIG_ATM_AMBASSADOR_DEBUG -#define DEBUG_AMBASSADOR -#endif - -#define DEV_LABEL "amb" - -#ifndef PCI_VENDOR_ID_MADGE -#define PCI_VENDOR_ID_MADGE 0x10B6 -#endif -#ifndef PCI_VENDOR_ID_MADGE_AMBASSADOR -#define PCI_DEVICE_ID_MADGE_AMBASSADOR 0x1001 -#endif -#ifndef PCI_VENDOR_ID_MADGE_AMBASSADOR_BAD -#define PCI_DEVICE_ID_MADGE_AMBASSADOR_BAD 0x1002 -#endif - -// diagnostic output - -#define PRINTK(severity,format,args...) \ - printk(severity DEV_LABEL ": " format "\n" , ## args) - -#ifdef DEBUG_AMBASSADOR - -#define DBG_ERR 0x0001 -#define DBG_WARN 0x0002 -#define DBG_INFO 0x0004 -#define DBG_INIT 0x0008 -#define DBG_LOAD 0x0010 -#define DBG_VCC 0x0020 -#define DBG_QOS 0x0040 -#define DBG_CMD 0x0080 -#define DBG_TX 0x0100 -#define DBG_RX 0x0200 -#define DBG_SKB 0x0400 -#define DBG_POOL 0x0800 -#define DBG_IRQ 0x1000 -#define DBG_FLOW 0x2000 -#define DBG_REGS 0x4000 -#define DBG_DATA 0x8000 -#define DBG_MASK 0xffff - -/* the ## prevents the annoying double expansion of the macro arguments */ -/* KERN_INFO is used since KERN_DEBUG often does not make it to the console */ -#define PRINTDB(bits,format,args...) \ - ( (debug & (bits)) ? printk (KERN_INFO DEV_LABEL ": " format , ## args) : 1 ) -#define PRINTDM(bits,format,args...) \ - ( (debug & (bits)) ? printk (format , ## args) : 1 ) -#define PRINTDE(bits,format,args...) \ - ( (debug & (bits)) ? printk (format "\n" , ## args) : 1 ) -#define PRINTD(bits,format,args...) \ - ( (debug & (bits)) ? printk (KERN_INFO DEV_LABEL ": " format "\n" , ## args) : 1 ) - -#else - -#define PRINTD(bits,format,args...) -#define PRINTDB(bits,format,args...) -#define PRINTDM(bits,format,args...) -#define PRINTDE(bits,format,args...) - -#endif - -#define PRINTDD(bits,format,args...) -#define PRINTDDB(sec,fmt,args...) -#define PRINTDDM(sec,fmt,args...) -#define PRINTDDE(sec,fmt,args...) - -// tunable values (?) - -/* MUST be powers of two -- why ? */ -#define COM_Q_ENTRIES 8 -#define TX_Q_ENTRIES 32 -#define RX_Q_ENTRIES 64 - -// fixed values - -// guessing -#define AMB_EXTENT 0x80 - -// Minimum allowed size for an Ambassador queue -#define MIN_QUEUE_SIZE 2 - -// Ambassador microcode allows 1 to 4 pools, we use 4 (simpler) -#define NUM_RX_POOLS 4 - -// minimum RX buffers required to cope with replenishing delay -#define MIN_RX_BUFFERS 1 - -// minimum PCI latency we will tolerate (32 IS TOO SMALL) -#define MIN_PCI_LATENCY 64 // 255 - -// VCs supported by card (VPI always 0) -#define NUM_VPI_BITS 0 -#define NUM_VCI_BITS 10 -#define NUM_VCS 1024 - -/* The status field bits defined so far. */ -#define RX_ERR 0x8000 // always present if there is an error (hmm) -#define CRC_ERR 0x4000 // AAL5 CRC error -#define LEN_ERR 0x2000 // overlength frame -#define ABORT_ERR 0x1000 // zero length field in received frame -#define UNUSED_ERR 0x0800 // buffer returned unused - -// Adaptor commands - -#define SRB_OPEN_VC 0 -/* par_0: dwordswap(VC_number) */ -/* par_1: dwordswap(flags<<16) or wordswap(flags)*/ -/* flags: */ - -/* LANE: 0x0004 */ -/* NOT_UBR: 0x0008 */ -/* ABR: 0x0010 */ - -/* RxPool0: 0x0000 */ -/* RxPool1: 0x0020 */ -/* RxPool2: 0x0040 */ -/* RxPool3: 0x0060 */ - -/* par_2: dwordswap(fp_rate<<16) or wordswap(fp_rate) */ - -#define SRB_CLOSE_VC 1 -/* par_0: dwordswap(VC_number) */ - -#define SRB_GET_BIA 2 -/* returns */ -/* par_0: dwordswap(half BIA) */ -/* par_1: dwordswap(half BIA) */ - -#define SRB_GET_SUNI_STATS 3 -/* par_0: dwordswap(physical_host_address) */ - -#define SRB_SET_BITS_8 4 -#define SRB_SET_BITS_16 5 -#define SRB_SET_BITS_32 6 -#define SRB_CLEAR_BITS_8 7 -#define SRB_CLEAR_BITS_16 8 -#define SRB_CLEAR_BITS_32 9 -/* par_0: dwordswap(ATMizer address) */ -/* par_1: dwordswap(mask) */ - -#define SRB_SET_8 10 -#define SRB_SET_16 11 -#define SRB_SET_32 12 -/* par_0: dwordswap(ATMizer address) */ -/* par_1: dwordswap(data) */ - -#define SRB_GET_32 13 -/* par_0: dwordswap(ATMizer address) */ -/* returns */ -/* par_1: dwordswap(ATMizer data) */ - -#define SRB_GET_VERSION 14 -/* returns */ -/* par_0: dwordswap(Major Version) */ -/* par_1: dwordswap(Minor Version) */ - -#define SRB_FLUSH_BUFFER_Q 15 -/* Only flags to define which buffer pool; all others must be zero */ -/* par_0: dwordswap(flags<<16) or wordswap(flags)*/ - -#define SRB_GET_DMA_SPEEDS 16 -/* returns */ -/* par_0: dwordswap(Read speed (bytes/sec)) */ -/* par_1: dwordswap(Write speed (bytes/sec)) */ - -#define SRB_MODIFY_VC_RATE 17 -/* par_0: dwordswap(VC_number) */ -/* par_1: dwordswap(fp_rate<<16) or wordswap(fp_rate) */ - -#define SRB_MODIFY_VC_FLAGS 18 -/* par_0: dwordswap(VC_number) */ -/* par_1: dwordswap(flags<<16) or wordswap(flags)*/ - -/* flags: */ - -/* LANE: 0x0004 */ -/* NOT_UBR: 0x0008 */ -/* ABR: 0x0010 */ - -/* RxPool0: 0x0000 */ -/* RxPool1: 0x0020 */ -/* RxPool2: 0x0040 */ -/* RxPool3: 0x0060 */ - -#define SRB_RATE_SHIFT 16 -#define SRB_POOL_SHIFT (SRB_FLAGS_SHIFT+5) -#define SRB_FLAGS_SHIFT 16 - -#define SRB_STOP_TASKING 19 -#define SRB_START_TASKING 20 -#define SRB_SHUT_DOWN 21 -#define MAX_SRB 21 - -#define SRB_COMPLETE 0xffffffff - -#define TX_FRAME 0x80000000 - -// number of types of SRB MUST be a power of two -- why? -#define NUM_OF_SRB 32 - -// number of bits of period info for rate -#define MAX_RATE_BITS 6 - -#define TX_UBR 0x0000 -#define TX_UBR_CAPPED 0x0008 -#define TX_ABR 0x0018 -#define TX_FRAME_NOTCAP 0x0000 -#define TX_FRAME_CAPPED 0x8000 - -#define FP_155_RATE 0x24b1 -#define FP_25_RATE 0x1f9d - -/* #define VERSION_NUMBER 0x01000000 // initial release */ -/* #define VERSION_NUMBER 0x01010000 // fixed startup probs PLX MB0 not cleared */ -/* #define VERSION_NUMBER 0x01020000 // changed SUNI reset timings; allowed r/w onchip */ - -/* #define VERSION_NUMBER 0x01030000 // clear local doorbell int reg on reset */ -/* #define VERSION_NUMBER 0x01040000 // PLX bug work around version PLUS */ -/* remove race conditions on basic interface */ -/* indicate to the host that diagnostics */ -/* have finished; if failed, how and what */ -/* failed */ -/* fix host memory test to fix PLX bug */ -/* allow flash upgrade and BIA upgrade directly */ -/* */ -#define VERSION_NUMBER 0x01050025 /* Jason's first hacked version. */ -/* Change in download algorithm */ - -#define DMA_VALID 0xb728e149 /* completely random */ - -#define FLASH_BASE 0xa0c00000 -#define FLASH_SIZE 0x00020000 /* 128K */ -#define BIA_BASE (FLASH_BASE+0x0001c000) /* Flash Sector 7 */ -#define BIA_ADDRESS ((void *)0xa0c1c000) -#define PLX_BASE 0xe0000000 - -typedef enum { - host_memory_test = 1, - read_adapter_memory, - write_adapter_memory, - adapter_start, - get_version_number, - interrupt_host, - flash_erase_sector, - adap_download_block = 0x20, - adap_erase_flash, - adap_run_in_iram, - adap_end_download -} loader_command; - -#define BAD_COMMAND (-1) -#define COMMAND_IN_PROGRESS 1 -#define COMMAND_PASSED_TEST 2 -#define COMMAND_FAILED_TEST 3 -#define COMMAND_READ_DATA_OK 4 -#define COMMAND_READ_BAD_ADDRESS 5 -#define COMMAND_WRITE_DATA_OK 6 -#define COMMAND_WRITE_BAD_ADDRESS 7 -#define COMMAND_WRITE_FLASH_FAILURE 8 -#define COMMAND_COMPLETE 9 -#define COMMAND_FLASH_ERASE_FAILURE 10 -#define COMMAND_WRITE_BAD_DATA 11 - -/* bit fields for mailbox[0] return values */ - -#define GPINT_TST_FAILURE 0x00000001 -#define SUNI_DATA_PATTERN_FAILURE 0x00000002 -#define SUNI_DATA_BITS_FAILURE 0x00000004 -#define SUNI_UTOPIA_FAILURE 0x00000008 -#define SUNI_FIFO_FAILURE 0x00000010 -#define SRAM_FAILURE 0x00000020 -#define SELF_TEST_FAILURE 0x0000003f - -/* mailbox[1] = 0 in progress, -1 on completion */ -/* mailbox[2] = current test 00 00 test(8 bit) phase(8 bit) */ -/* mailbox[3] = last failure, 00 00 test(8 bit) phase(8 bit) */ -/* mailbox[4],mailbox[5],mailbox[6] random failure values */ - -/* PLX/etc. memory map including command structure */ - -/* These registers may also be memory mapped in PCI memory */ - -#define UNUSED_LOADER_MAILBOXES 6 - -typedef struct { - u32 stuff[16]; - union { - struct { - u32 result; - u32 ready; - u32 stuff[UNUSED_LOADER_MAILBOXES]; - } loader; - struct { - u32 cmd_address; - u32 tx_address; - u32 rx_address[NUM_RX_POOLS]; - u32 gen_counter; - u32 spare; - } adapter; - } mb; - u32 doorbell; - u32 interrupt; - u32 interrupt_control; - u32 reset_control; -} amb_mem; - -/* RESET bit, IRQ (card to host) and doorbell (host to card) enable bits */ -#define AMB_RESET_BITS 0x40000000 -#define AMB_INTERRUPT_BITS 0x00000300 -#define AMB_DOORBELL_BITS 0x00030000 - -/* loader commands */ - -#define MAX_COMMAND_DATA 13 -#define MAX_TRANSFER_DATA 11 - -typedef struct { - __be32 address; - __be32 count; - __be32 data[MAX_TRANSFER_DATA]; -} transfer_block; - -typedef struct { - __be32 result; - __be32 command; - union { - transfer_block transfer; - __be32 version; - __be32 start; - __be32 data[MAX_COMMAND_DATA]; - } payload; - __be32 valid; -} loader_block; - -/* command queue */ - -/* Again all data are BIG ENDIAN */ - -typedef struct { - union { - struct { - __be32 vc; - __be32 flags; - __be32 rate; - } open; - struct { - __be32 vc; - __be32 rate; - } modify_rate; - struct { - __be32 vc; - __be32 flags; - } modify_flags; - struct { - __be32 vc; - } close; - struct { - __be32 lower4; - __be32 upper2; - } bia; - struct { - __be32 address; - } suni; - struct { - __be32 major; - __be32 minor; - } version; - struct { - __be32 read; - __be32 write; - } speed; - struct { - __be32 flags; - } flush; - struct { - __be32 address; - __be32 data; - } memory; - __be32 par[3]; - } args; - __be32 request; -} command; - -/* transmit queues and associated structures */ - -/* The hosts transmit structure. All BIG ENDIAN; host address - restricted to first 1GByte, but address passed to the card must - have the top MS bit or'ed in. -- check this */ - -/* TX is described by 1+ tx_frags followed by a tx_frag_end */ - -typedef struct { - __be32 bytes; - __be32 address; -} tx_frag; - -/* apart from handle the fields here are for the adapter to play with - and should be set to zero */ - -typedef struct { - u32 handle; - u16 vc; - u16 next_descriptor_length; - u32 next_descriptor; -#ifdef AMB_NEW_MICROCODE - u8 cpcs_uu; - u8 cpi; - u16 pad; -#endif -} tx_frag_end; - -typedef struct { - tx_frag tx_frag; - tx_frag_end tx_frag_end; - struct sk_buff * skb; -} tx_simple; - -#if 0 -typedef union { - tx_frag fragment; - tx_frag_end end_of_list; -} tx_descr; -#endif - -/* this "points" to the sequence of fragments and trailer */ - -typedef struct { - __be16 vc; - __be16 tx_descr_length; - __be32 tx_descr_addr; -} tx_in; - -/* handle is the handle from tx_in */ - -typedef struct { - u32 handle; -} tx_out; - -/* receive frame structure */ - -/* All BIG ENDIAN; handle is as passed from host; length is zero for - aborted frames, and frames with errors. Header is actually VC - number, lec-id is NOT yet supported. */ - -typedef struct { - u32 handle; - __be16 vc; - __be16 lec_id; // unused - __be16 status; - __be16 length; -} rx_out; - -/* buffer supply structure */ - -typedef struct { - u32 handle; - __be32 host_address; -} rx_in; - -/* This first structure is the area in host memory where the adapter - writes its pointer values. These pointer values are BIG ENDIAN and - reside in the same 4MB 'page' as this structure. The host gives the - adapter the address of this block by sending a doorbell interrupt - to the adapter after downloading the code and setting it going. The - addresses have the top 10 bits set to 1010000010b -- really? - - The host must initialise these before handing the block to the - adapter. */ - -typedef struct { - __be32 command_start; /* SRB commands completions */ - __be32 command_end; /* SRB commands completions */ - __be32 tx_start; - __be32 tx_end; - __be32 txcom_start; /* tx completions */ - __be32 txcom_end; /* tx completions */ - struct { - __be32 buffer_start; - __be32 buffer_end; - u32 buffer_q_get; - u32 buffer_q_end; - u32 buffer_aptr; - __be32 rx_start; /* rx completions */ - __be32 rx_end; - u32 rx_ptr; - __be32 buffer_size; /* size of host buffer */ - } rec_struct[NUM_RX_POOLS]; -#ifdef AMB_NEW_MICROCODE - u16 init_flags; - u16 talk_block_spare; -#endif -} adap_talk_block; - -/* This structure must be kept in line with the vcr image in sarmain.h - - This is the structure in the host filled in by the adapter by - GET_SUNI_STATS */ - -typedef struct { - u8 racp_chcs; - u8 racp_uhcs; - u16 spare; - u32 racp_rcell; - u32 tacp_tcell; - u32 flags; - u32 dropped_cells; - u32 dropped_frames; -} suni_stats; - -typedef enum { - dead -} amb_flags; - -#define NEXTQ(current,start,limit) \ - ( (current)+1 < (limit) ? (current)+1 : (start) ) - -typedef struct { - command * start; - command * in; - command * out; - command * limit; -} amb_cq_ptrs; - -typedef struct { - spinlock_t lock; - unsigned int pending; - unsigned int high; - unsigned int filled; - unsigned int maximum; // size - 1 (q implementation) - amb_cq_ptrs ptrs; -} amb_cq; - -typedef struct { - spinlock_t lock; - unsigned int pending; - unsigned int high; - unsigned int filled; - unsigned int maximum; // size - 1 (q implementation) - struct { - tx_in * start; - tx_in * ptr; - tx_in * limit; - } in; - struct { - tx_out * start; - tx_out * ptr; - tx_out * limit; - } out; -} amb_txq; - -typedef struct { - spinlock_t lock; - unsigned int pending; - unsigned int low; - unsigned int emptied; - unsigned int maximum; // size - 1 (q implementation) - struct { - rx_in * start; - rx_in * ptr; - rx_in * limit; - } in; - struct { - rx_out * start; - rx_out * ptr; - rx_out * limit; - } out; - unsigned int buffers_wanted; - unsigned int buffer_size; -} amb_rxq; - -typedef struct { - unsigned long tx_ok; - struct { - unsigned long ok; - unsigned long error; - unsigned long badcrc; - unsigned long toolong; - unsigned long aborted; - unsigned long unused; - } rx; -} amb_stats; - -// a single struct pointed to by atm_vcc->dev_data - -typedef struct { - u8 tx_vc_bits:7; - u8 tx_present:1; -} amb_tx_info; - -typedef struct { - unsigned char pool; -} amb_rx_info; - -typedef struct { - amb_rx_info rx_info; - u16 tx_frame_bits; - unsigned int tx_rate; - unsigned int rx_rate; -} amb_vcc; - -struct amb_dev { - u8 irq; - unsigned long flags; - u32 iobase; - u32 * membase; - - amb_cq cq; - amb_txq txq; - amb_rxq rxq[NUM_RX_POOLS]; - - struct mutex vcc_sf; - amb_tx_info txer[NUM_VCS]; - struct atm_vcc * rxer[NUM_VCS]; - unsigned int tx_avail; - unsigned int rx_avail; - - amb_stats stats; - - struct atm_dev * atm_dev; - struct pci_dev * pci_dev; - struct timer_list housekeeping; -}; - -typedef struct amb_dev amb_dev; - -#define AMB_DEV(atm_dev) ((amb_dev *) (atm_dev)->dev_data) -#define AMB_VCC(atm_vcc) ((amb_vcc *) (atm_vcc)->dev_data) - -/* rate rounding */ - -typedef enum { - round_up, - round_down, - round_nearest -} rounding; - -#endif |