|  | /******************************************************************* | 
|  | * | 
|  | * Copyright (c) 2000 ATecoM GmbH | 
|  | * | 
|  | * The author may be reached at ecd@atecom.com. | 
|  | * | 
|  | * This program is free software; you can redistribute  it and/or modify it | 
|  | * under  the terms of  the GNU General  Public License as published by the | 
|  | * Free Software Foundation;  either version 2 of the  License, or (at your | 
|  | * option) any later version. | 
|  | * | 
|  | * THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR   IMPLIED | 
|  | * WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF | 
|  | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN | 
|  | * NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT,  INDIRECT, | 
|  | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
|  | * NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF | 
|  | * USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | 
|  | * ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT | 
|  | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 
|  | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  | * | 
|  | * You should have received a copy of the  GNU General Public License along | 
|  | * with this program; if not, write  to the Free Software Foundation, Inc., | 
|  | * 675 Mass Ave, Cambridge, MA 02139, USA. | 
|  | * | 
|  | *******************************************************************/ | 
|  |  | 
|  | #ifndef _IDT77252_H | 
|  | #define _IDT77252_H 1 | 
|  |  | 
|  |  | 
|  | #include <linux/ptrace.h> | 
|  | #include <linux/skbuff.h> | 
|  | #include <linux/workqueue.h> | 
|  | #include <linux/mutex.h> | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /* Makros                                                                    */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  | #define VPCI2VC(card, vpi, vci) \ | 
|  | (((vpi) << card->vcibits) | ((vci) & card->vcimask)) | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   DEBUGGING definitions                                                   */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define DBG_RAW_CELL	0x00000400 | 
|  | #define DBG_TINY	0x00000200 | 
|  | #define DBG_GENERAL     0x00000100 | 
|  | #define DBG_XGENERAL    0x00000080 | 
|  | #define DBG_INIT        0x00000040 | 
|  | #define DBG_DEINIT      0x00000020 | 
|  | #define DBG_INTERRUPT   0x00000010 | 
|  | #define DBG_OPEN_CONN   0x00000008 | 
|  | #define DBG_CLOSE_CONN  0x00000004 | 
|  | #define DBG_RX_DATA     0x00000002 | 
|  | #define DBG_TX_DATA     0x00000001 | 
|  |  | 
|  | #ifdef CONFIG_ATM_IDT77252_DEBUG | 
|  |  | 
|  | #define CPRINTK(args...)   do { if (debug & DBG_CLOSE_CONN) printk(args); } while(0) | 
|  | #define OPRINTK(args...)   do { if (debug & DBG_OPEN_CONN)  printk(args); } while(0) | 
|  | #define IPRINTK(args...)   do { if (debug & DBG_INIT)       printk(args); } while(0) | 
|  | #define INTPRINTK(args...) do { if (debug & DBG_INTERRUPT)  printk(args); } while(0) | 
|  | #define DIPRINTK(args...)  do { if (debug & DBG_DEINIT)     printk(args); } while(0) | 
|  | #define TXPRINTK(args...)  do { if (debug & DBG_TX_DATA)    printk(args); } while(0) | 
|  | #define RXPRINTK(args...)  do { if (debug & DBG_RX_DATA)    printk(args); } while(0) | 
|  | #define XPRINTK(args...)   do { if (debug & DBG_XGENERAL)   printk(args); } while(0) | 
|  | #define DPRINTK(args...)   do { if (debug & DBG_GENERAL)    printk(args); } while(0) | 
|  | #define NPRINTK(args...)   do { if (debug & DBG_TINY)	    printk(args); } while(0) | 
|  | #define RPRINTK(args...)   do { if (debug & DBG_RAW_CELL)   printk(args); } while(0) | 
|  |  | 
|  | #else | 
|  |  | 
|  | #define CPRINTK(args...)	do { } while(0) | 
|  | #define OPRINTK(args...)	do { } while(0) | 
|  | #define IPRINTK(args...)	do { } while(0) | 
|  | #define INTPRINTK(args...)	do { } while(0) | 
|  | #define DIPRINTK(args...)	do { } while(0) | 
|  | #define TXPRINTK(args...)	do { } while(0) | 
|  | #define RXPRINTK(args...)	do { } while(0) | 
|  | #define XPRINTK(args...)	do { } while(0) | 
|  | #define DPRINTK(args...)	do { } while(0) | 
|  | #define NPRINTK(args...)	do { } while(0) | 
|  | #define RPRINTK(args...)	do { } while(0) | 
|  |  | 
|  | #endif | 
|  |  | 
|  | #define SCHED_UBR0		0 | 
|  | #define SCHED_UBR		1 | 
|  | #define SCHED_VBR		2 | 
|  | #define SCHED_ABR		3 | 
|  | #define SCHED_CBR		4 | 
|  |  | 
|  | #define SCQFULL_TIMEOUT		HZ | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   Free Buffer Queue Layout                                                */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  | #define SAR_FB_SIZE_0		(2048 - 256) | 
|  | #define SAR_FB_SIZE_1		(4096 - 256) | 
|  | #define SAR_FB_SIZE_2		(8192 - 256) | 
|  | #define SAR_FB_SIZE_3		(16384 - 256) | 
|  |  | 
|  | #define SAR_FBQ0_LOW		4 | 
|  | #define SAR_FBQ0_HIGH		8 | 
|  | #define SAR_FBQ1_LOW		2 | 
|  | #define SAR_FBQ1_HIGH		4 | 
|  | #define SAR_FBQ2_LOW		1 | 
|  | #define SAR_FBQ2_HIGH		2 | 
|  | #define SAR_FBQ3_LOW		1 | 
|  | #define SAR_FBQ3_HIGH		2 | 
|  |  | 
|  | #if 0 | 
|  | #define SAR_TST_RESERVED	44	/* Num TST reserved for UBR/ABR/VBR */ | 
|  | #else | 
|  | #define SAR_TST_RESERVED	0	/* Num TST reserved for UBR/ABR/VBR */ | 
|  | #endif | 
|  |  | 
|  | #define TCT_CBR			0x00000000 | 
|  | #define TCT_UBR			0x00000000 | 
|  | #define TCT_VBR			0x40000000 | 
|  | #define TCT_ABR			0x80000000 | 
|  | #define TCT_TYPE		0xc0000000 | 
|  |  | 
|  | #define TCT_RR			0x20000000 | 
|  | #define TCT_LMCR		0x08000000 | 
|  | #define TCT_SCD_MASK		0x0007ffff | 
|  |  | 
|  | #define TCT_TSIF		0x00004000 | 
|  | #define TCT_HALT		0x80000000 | 
|  | #define TCT_IDLE		0x40000000 | 
|  | #define TCT_FLAG_UBR		0x80000000 | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   Structure describing an IDT77252                                        */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | struct scqe | 
|  | { | 
|  | u32		word_1; | 
|  | u32		word_2; | 
|  | u32		word_3; | 
|  | u32		word_4; | 
|  | }; | 
|  |  | 
|  | #define SCQ_ENTRIES	64 | 
|  | #define SCQ_SIZE	(SCQ_ENTRIES * sizeof(struct scqe)) | 
|  | #define SCQ_MASK	(SCQ_SIZE - 1) | 
|  |  | 
|  | struct scq_info | 
|  | { | 
|  | struct scqe		*base; | 
|  | struct scqe		*next; | 
|  | struct scqe		*last; | 
|  | dma_addr_t		paddr; | 
|  | spinlock_t		lock; | 
|  | atomic_t		used; | 
|  | unsigned long		trans_start; | 
|  | unsigned long		scd; | 
|  | spinlock_t		skblock; | 
|  | struct sk_buff_head	transmit; | 
|  | struct sk_buff_head	pending; | 
|  | }; | 
|  |  | 
|  | struct rx_pool { | 
|  | struct sk_buff_head	queue; | 
|  | unsigned int		len; | 
|  | }; | 
|  |  | 
|  | struct aal1 { | 
|  | unsigned int		total; | 
|  | unsigned int		count; | 
|  | struct sk_buff		*data; | 
|  | unsigned char		sequence; | 
|  | }; | 
|  |  | 
|  | struct rate_estimator { | 
|  | struct timer_list	timer; | 
|  | unsigned int		interval; | 
|  | unsigned int		ewma_log; | 
|  | u64			cells; | 
|  | u64			last_cells; | 
|  | long			avcps; | 
|  | u32			cps; | 
|  | u32			maxcps; | 
|  | }; | 
|  |  | 
|  | struct vc_map { | 
|  | unsigned int		index; | 
|  | unsigned long		flags; | 
|  | #define VCF_TX		0 | 
|  | #define VCF_RX		1 | 
|  | #define VCF_IDLE	2 | 
|  | #define VCF_RSV		3 | 
|  | unsigned int		class; | 
|  | u8			init_er; | 
|  | u8			lacr; | 
|  | u8			max_er; | 
|  | unsigned int		ntste; | 
|  | spinlock_t		lock; | 
|  | struct atm_vcc		*tx_vcc; | 
|  | struct atm_vcc		*rx_vcc; | 
|  | struct idt77252_dev	*card; | 
|  | struct scq_info		*scq;		/* To keep track of the SCQ */ | 
|  | struct rate_estimator	*estimator; | 
|  | int			scd_index; | 
|  | union { | 
|  | struct rx_pool	rx_pool; | 
|  | struct aal1	aal1; | 
|  | } rcv; | 
|  | }; | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   RCTE - Receive Connection Table Entry                                   */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | struct rct_entry | 
|  | { | 
|  | u32		word_1; | 
|  | u32		buffer_handle; | 
|  | u32		dma_address; | 
|  | u32		aal5_crc32; | 
|  | }; | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   RSQ - Receive Status Queue                                              */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_RSQE_VALID      0x80000000 | 
|  | #define SAR_RSQE_IDLE       0x40000000 | 
|  | #define SAR_RSQE_BUF_MASK   0x00030000 | 
|  | #define SAR_RSQE_BUF_ASGN   0x00008000 | 
|  | #define SAR_RSQE_NZGFC      0x00004000 | 
|  | #define SAR_RSQE_EPDU       0x00002000 | 
|  | #define SAR_RSQE_BUF_CONT   0x00001000 | 
|  | #define SAR_RSQE_EFCIE      0x00000800 | 
|  | #define SAR_RSQE_CLP        0x00000400 | 
|  | #define SAR_RSQE_CRC        0x00000200 | 
|  | #define SAR_RSQE_CELLCNT    0x000001FF | 
|  |  | 
|  |  | 
|  | #define RSQSIZE            8192 | 
|  | #define RSQ_NUM_ENTRIES    (RSQSIZE / 16) | 
|  | #define RSQ_ALIGNMENT      8192 | 
|  |  | 
|  | struct rsq_entry { | 
|  | u32			word_1; | 
|  | u32			word_2; | 
|  | u32			word_3; | 
|  | u32			word_4; | 
|  | }; | 
|  |  | 
|  | struct rsq_info { | 
|  | struct rsq_entry	*base; | 
|  | struct rsq_entry	*next; | 
|  | struct rsq_entry	*last; | 
|  | dma_addr_t		paddr; | 
|  | }; | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   TSQ - Transmit Status Queue                                             */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_TSQE_INVALID         0x80000000 | 
|  | #define SAR_TSQE_TIMESTAMP       0x00FFFFFF | 
|  | #define SAR_TSQE_TYPE		 0x60000000 | 
|  | #define SAR_TSQE_TYPE_TIMER      0x00000000 | 
|  | #define SAR_TSQE_TYPE_TSR        0x20000000 | 
|  | #define SAR_TSQE_TYPE_IDLE       0x40000000 | 
|  | #define SAR_TSQE_TYPE_TBD_COMP   0x60000000 | 
|  |  | 
|  | #define SAR_TSQE_TAG(stat)	(((stat) >> 24) & 0x1f) | 
|  |  | 
|  | #define TSQSIZE            8192 | 
|  | #define TSQ_NUM_ENTRIES    1024 | 
|  | #define TSQ_ALIGNMENT      8192 | 
|  |  | 
|  | struct tsq_entry | 
|  | { | 
|  | u32			word_1; | 
|  | u32			word_2; | 
|  | }; | 
|  |  | 
|  | struct tsq_info | 
|  | { | 
|  | struct tsq_entry	*base; | 
|  | struct tsq_entry	*next; | 
|  | struct tsq_entry	*last; | 
|  | dma_addr_t		paddr; | 
|  | }; | 
|  |  | 
|  | struct tst_info | 
|  | { | 
|  | struct vc_map		*vc; | 
|  | u32			tste; | 
|  | }; | 
|  |  | 
|  | #define TSTE_MASK		0x601fffff | 
|  |  | 
|  | #define TSTE_OPC_MASK		0x60000000 | 
|  | #define TSTE_OPC_NULL		0x00000000 | 
|  | #define TSTE_OPC_CBR		0x20000000 | 
|  | #define TSTE_OPC_VAR		0x40000000 | 
|  | #define TSTE_OPC_JMP		0x60000000 | 
|  |  | 
|  | #define TSTE_PUSH_IDLE		0x01000000 | 
|  | #define TSTE_PUSH_ACTIVE	0x02000000 | 
|  |  | 
|  | #define TST_SWITCH_DONE		0 | 
|  | #define TST_SWITCH_PENDING	1 | 
|  | #define TST_SWITCH_WAIT		2 | 
|  |  | 
|  | #define FBQ_SHIFT		9 | 
|  | #define FBQ_SIZE		(1 << FBQ_SHIFT) | 
|  | #define FBQ_MASK		(FBQ_SIZE - 1) | 
|  |  | 
|  | struct sb_pool | 
|  | { | 
|  | unsigned int		index; | 
|  | struct sk_buff		*skb[FBQ_SIZE]; | 
|  | }; | 
|  |  | 
|  | #define POOL_HANDLE(queue, index)	(((queue + 1) << 16) | (index)) | 
|  | #define POOL_QUEUE(handle)		(((handle) >> 16) - 1) | 
|  | #define POOL_INDEX(handle)		((handle) & 0xffff) | 
|  |  | 
|  | struct idt77252_dev | 
|  | { | 
|  | struct tsq_info		tsq;		/* Transmit Status Queue */ | 
|  | struct rsq_info		rsq;		/* Receive Status Queue */ | 
|  |  | 
|  | struct pci_dev		*pcidev;	/* PCI handle (desriptor) */ | 
|  | struct atm_dev		*atmdev;	/* ATM device desriptor */ | 
|  |  | 
|  | void __iomem		*membase;	/* SAR's memory base address */ | 
|  | unsigned long		srambase;	/* SAR's sram  base address */ | 
|  | void __iomem		*fbq[4];	/* FBQ fill addresses */ | 
|  |  | 
|  | struct mutex		mutex; | 
|  | spinlock_t		cmd_lock;	/* for r/w utility/sram */ | 
|  |  | 
|  | unsigned long		softstat; | 
|  | unsigned long		flags;		/* see blow */ | 
|  |  | 
|  | struct work_struct	tqueue; | 
|  |  | 
|  | unsigned long		tct_base;	/* TCT base address in SRAM */ | 
|  | unsigned long		rct_base;	/* RCT base address in SRAM */ | 
|  | unsigned long		rt_base;	/* Rate Table base in SRAM */ | 
|  | unsigned long		scd_base;	/* SCD base address in SRAM */ | 
|  | unsigned long		tst[2];		/* TST base address in SRAM */ | 
|  | unsigned long		abrst_base;	/* ABRST base address in SRAM */ | 
|  | unsigned long		fifo_base;	/* RX FIFO base in SRAM */ | 
|  |  | 
|  | unsigned long		irqstat[16]; | 
|  |  | 
|  | unsigned int		sramsize;	/* SAR's sram size */ | 
|  |  | 
|  | unsigned int		tct_size;	/* total TCT entries */ | 
|  | unsigned int		rct_size;	/* total RCT entries */ | 
|  | unsigned int		scd_size;	/* length of SCD */ | 
|  | unsigned int		tst_size;	/* total TST entries */ | 
|  | unsigned int		tst_free;	/* free TSTEs in TST */ | 
|  | unsigned int		abrst_size;	/* size of ABRST in words */ | 
|  | unsigned int		fifo_size;	/* size of RX FIFO in words */ | 
|  |  | 
|  | unsigned int		vpibits;	/* Bits used for VPI index */ | 
|  | unsigned int		vcibits;	/* Bits used for VCI index */ | 
|  | unsigned int		vcimask;	/* Mask for VCI index */ | 
|  |  | 
|  | unsigned int		utopia_pcr;	/* Utopia Itf's Cell Rate */ | 
|  | unsigned int		link_pcr;	/* PHY's Peek Cell Rate */ | 
|  |  | 
|  | struct vc_map		**vcs;		/* Open Connections */ | 
|  | struct vc_map		**scd2vc;	/* SCD to Connection map */ | 
|  |  | 
|  | struct tst_info		*soft_tst;	/* TST to Connection map */ | 
|  | unsigned int		tst_index;	/* Current TST in use */ | 
|  | struct timer_list	tst_timer; | 
|  | spinlock_t		tst_lock; | 
|  | unsigned long		tst_state; | 
|  |  | 
|  | struct sb_pool		sbpool[4];	/* Pool of RX skbuffs */ | 
|  | struct sk_buff		*raw_cell_head; /* Pointer to raw cell queue */ | 
|  | u32			*raw_cell_hnd;	/* Pointer to RCQ handle */ | 
|  | dma_addr_t		raw_cell_paddr; | 
|  |  | 
|  | int			index;		/* SAR's ID */ | 
|  | int			revision;	/* chip revision */ | 
|  |  | 
|  | char			name[16];	/* Device name */ | 
|  |  | 
|  | struct idt77252_dev	*next; | 
|  | }; | 
|  |  | 
|  |  | 
|  | /* definition for flag field above */ | 
|  | #define IDT77252_BIT_INIT		1 | 
|  | #define IDT77252_BIT_INTERRUPT		2 | 
|  |  | 
|  |  | 
|  | #define ATM_CELL_PAYLOAD         48 | 
|  |  | 
|  | #define FREEBUF_ALIGNMENT        16 | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /* Makros                                                                    */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  | #define ALIGN_ADDRESS(addr, alignment) \ | 
|  | ((((u32)(addr)) + (((u32)(alignment))-1)) & ~(((u32)(alignment)) - 1)) | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   ABR SAR Network operation Register                                      */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_REG_DR0	(card->membase + 0x00) | 
|  | #define SAR_REG_DR1	(card->membase + 0x04) | 
|  | #define SAR_REG_DR2	(card->membase + 0x08) | 
|  | #define SAR_REG_DR3	(card->membase + 0x0C) | 
|  | #define SAR_REG_CMD	(card->membase + 0x10) | 
|  | #define SAR_REG_CFG	(card->membase + 0x14) | 
|  | #define SAR_REG_STAT	(card->membase + 0x18) | 
|  | #define SAR_REG_RSQB	(card->membase + 0x1C) | 
|  | #define SAR_REG_RSQT	(card->membase + 0x20) | 
|  | #define SAR_REG_RSQH	(card->membase + 0x24) | 
|  | #define SAR_REG_CDC	(card->membase + 0x28) | 
|  | #define SAR_REG_VPEC	(card->membase + 0x2C) | 
|  | #define SAR_REG_ICC	(card->membase + 0x30) | 
|  | #define SAR_REG_RAWCT	(card->membase + 0x34) | 
|  | #define SAR_REG_TMR	(card->membase + 0x38) | 
|  | #define SAR_REG_TSTB	(card->membase + 0x3C) | 
|  | #define SAR_REG_TSQB	(card->membase + 0x40) | 
|  | #define SAR_REG_TSQT	(card->membase + 0x44) | 
|  | #define SAR_REG_TSQH	(card->membase + 0x48) | 
|  | #define SAR_REG_GP	(card->membase + 0x4C) | 
|  | #define SAR_REG_VPM	(card->membase + 0x50) | 
|  | #define SAR_REG_RXFD	(card->membase + 0x54) | 
|  | #define SAR_REG_RXFT	(card->membase + 0x58) | 
|  | #define SAR_REG_RXFH	(card->membase + 0x5C) | 
|  | #define SAR_REG_RAWHND	(card->membase + 0x60) | 
|  | #define SAR_REG_RXSTAT	(card->membase + 0x64) | 
|  | #define SAR_REG_ABRSTD	(card->membase + 0x68) | 
|  | #define SAR_REG_ABRRQ	(card->membase + 0x6C) | 
|  | #define SAR_REG_VBRRQ	(card->membase + 0x70) | 
|  | #define SAR_REG_RTBL	(card->membase + 0x74) | 
|  | #define SAR_REG_MDFCT	(card->membase + 0x78) | 
|  | #define SAR_REG_TXSTAT	(card->membase + 0x7C) | 
|  | #define SAR_REG_TCMDQ	(card->membase + 0x80) | 
|  | #define SAR_REG_IRCP	(card->membase + 0x84) | 
|  | #define SAR_REG_FBQP0	(card->membase + 0x88) | 
|  | #define SAR_REG_FBQP1	(card->membase + 0x8C) | 
|  | #define SAR_REG_FBQP2	(card->membase + 0x90) | 
|  | #define SAR_REG_FBQP3	(card->membase + 0x94) | 
|  | #define SAR_REG_FBQS0	(card->membase + 0x98) | 
|  | #define SAR_REG_FBQS1	(card->membase + 0x9C) | 
|  | #define SAR_REG_FBQS2	(card->membase + 0xA0) | 
|  | #define SAR_REG_FBQS3	(card->membase + 0xA4) | 
|  | #define SAR_REG_FBQWP0	(card->membase + 0xA8) | 
|  | #define SAR_REG_FBQWP1	(card->membase + 0xAC) | 
|  | #define SAR_REG_FBQWP2	(card->membase + 0xB0) | 
|  | #define SAR_REG_FBQWP3	(card->membase + 0xB4) | 
|  | #define SAR_REG_NOW	(card->membase + 0xB8) | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   Commands                                                                */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_CMD_NO_OPERATION         0x00000000 | 
|  | #define SAR_CMD_OPENCLOSE_CONNECTION 0x20000000 | 
|  | #define SAR_CMD_WRITE_SRAM           0x40000000 | 
|  | #define SAR_CMD_READ_SRAM            0x50000000 | 
|  | #define SAR_CMD_READ_UTILITY         0x80000000 | 
|  | #define SAR_CMD_WRITE_UTILITY        0x90000000 | 
|  |  | 
|  | #define SAR_CMD_OPEN_CONNECTION     (SAR_CMD_OPENCLOSE_CONNECTION | 0x00080000) | 
|  | #define SAR_CMD_CLOSE_CONNECTION     SAR_CMD_OPENCLOSE_CONNECTION | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   Configuration Register bits                                             */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_CFG_SWRST          0x80000000  /* Software reset                 */ | 
|  | #define SAR_CFG_LOOP           0x40000000  /* Internal Loopback              */ | 
|  | #define SAR_CFG_RXPTH          0x20000000  /* Receive Path Enable            */ | 
|  | #define SAR_CFG_IDLE_CLP       0x10000000  /* SAR set CLP Bits of Null Cells */ | 
|  | #define SAR_CFG_TX_FIFO_SIZE_1 0x04000000  /* TX FIFO Size = 1 cell          */ | 
|  | #define SAR_CFG_TX_FIFO_SIZE_2 0x08000000  /* TX FIFO Size = 2 cells         */ | 
|  | #define SAR_CFG_TX_FIFO_SIZE_4 0x0C000000  /* TX FIFO Size = 4 cells         */ | 
|  | #define SAR_CFG_TX_FIFO_SIZE_9 0x00000000  /* TX FIFO Size = 9 cells (full)  */ | 
|  | #define SAR_CFG_NO_IDLE        0x02000000  /* SAR sends no Null Cells        */ | 
|  | #define SAR_CFG_RSVD1          0x01000000  /* Reserved                       */ | 
|  | #define SAR_CFG_RXSTQ_SIZE_2k  0x00000000  /* RX Stat Queue Size = 2048 byte */ | 
|  | #define SAR_CFG_RXSTQ_SIZE_4k  0x00400000  /* RX Stat Queue Size = 4096 byte */ | 
|  | #define SAR_CFG_RXSTQ_SIZE_8k  0x00800000  /* RX Stat Queue Size = 8192 byte */ | 
|  | #define SAR_CFG_RXSTQ_SIZE_R   0x00C00000  /* RX Stat Queue Size = reserved  */ | 
|  | #define SAR_CFG_ICAPT          0x00200000  /* accept Invalid Cells           */ | 
|  | #define SAR_CFG_IGGFC          0x00100000  /* Ignore GFC                     */ | 
|  | #define SAR_CFG_VPVCS_0        0x00000000  /* VPI/VCI Select bit range       */ | 
|  | #define SAR_CFG_VPVCS_1        0x00040000  /* VPI/VCI Select bit range       */ | 
|  | #define SAR_CFG_VPVCS_2        0x00080000  /* VPI/VCI Select bit range       */ | 
|  | #define SAR_CFG_VPVCS_8        0x000C0000  /* VPI/VCI Select bit range       */ | 
|  | #define SAR_CFG_CNTBL_1k       0x00000000  /* Connection Table Size          */ | 
|  | #define SAR_CFG_CNTBL_4k       0x00010000  /* Connection Table Size          */ | 
|  | #define SAR_CFG_CNTBL_16k      0x00020000  /* Connection Table Size          */ | 
|  | #define SAR_CFG_CNTBL_512      0x00030000  /* Connection Table Size          */ | 
|  | #define SAR_CFG_VPECA          0x00008000  /* VPI/VCI Error Cell Accept      */ | 
|  | #define SAR_CFG_RXINT_NOINT    0x00000000  /* No Interrupt on PDU received   */ | 
|  | #define SAR_CFG_RXINT_NODELAY  0x00001000  /* Interrupt without delay to host*/ | 
|  | #define SAR_CFG_RXINT_256US    0x00002000  /* Interrupt with delay 256 usec  */ | 
|  | #define SAR_CFG_RXINT_505US    0x00003000  /* Interrupt with delay 505 usec  */ | 
|  | #define SAR_CFG_RXINT_742US    0x00004000  /* Interrupt with delay 742 usec  */ | 
|  | #define SAR_CFG_RAWIE          0x00000800  /* Raw Cell Queue Interrupt Enable*/ | 
|  | #define SAR_CFG_RQFIE          0x00000400  /* RSQ Almost Full Int Enable     */ | 
|  | #define SAR_CFG_RSVD2          0x00000200  /* Reserved                       */ | 
|  | #define SAR_CFG_CACHE          0x00000100  /* DMA on Cache Line Boundary     */ | 
|  | #define SAR_CFG_TMOIE          0x00000080  /* Timer Roll Over Int Enable     */ | 
|  | #define SAR_CFG_FBIE           0x00000040  /* Free Buffer Queue Int Enable   */ | 
|  | #define SAR_CFG_TXEN           0x00000020  /* Transmit Operation Enable      */ | 
|  | #define SAR_CFG_TXINT          0x00000010  /* Transmit status Int Enable     */ | 
|  | #define SAR_CFG_TXUIE          0x00000008  /* Transmit underrun Int Enable   */ | 
|  | #define SAR_CFG_UMODE          0x00000004  /* Utopia Mode Select             */ | 
|  | #define SAR_CFG_TXSFI          0x00000002  /* Transmit status Full Int Enable*/ | 
|  | #define SAR_CFG_PHYIE          0x00000001  /* PHY Interrupt Enable           */ | 
|  |  | 
|  | #define SAR_CFG_TX_FIFO_SIZE_MASK 0x0C000000  /* TX FIFO Size Mask           */ | 
|  | #define SAR_CFG_RXSTQSIZE_MASK 0x00C00000 | 
|  | #define SAR_CFG_CNTBL_MASK     0x00030000 | 
|  | #define SAR_CFG_RXINT_MASK     0x00007000 | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   Status Register bits                                                    */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_STAT_FRAC_3     0xF0000000 /* Fraction of Free Buffer Queue 3 */ | 
|  | #define SAR_STAT_FRAC_2     0x0F000000 /* Fraction of Free Buffer Queue 2 */ | 
|  | #define SAR_STAT_FRAC_1     0x00F00000 /* Fraction of Free Buffer Queue 1 */ | 
|  | #define SAR_STAT_FRAC_0     0x000F0000 /* Fraction of Free Buffer Queue 0 */ | 
|  | #define SAR_STAT_TSIF       0x00008000 /* Transmit Status Indicator       */ | 
|  | #define SAR_STAT_TXICP      0x00004000 /* Transmit Status Indicator       */ | 
|  | #define SAR_STAT_RSVD1      0x00002000 /* Reserved                        */ | 
|  | #define SAR_STAT_TSQF       0x00001000 /* Transmit Status Queue full      */ | 
|  | #define SAR_STAT_TMROF      0x00000800 /* Timer overflow                  */ | 
|  | #define SAR_STAT_PHYI       0x00000400 /* PHY device Interrupt flag       */ | 
|  | #define SAR_STAT_CMDBZ      0x00000200 /* ABR SAR Command Busy Flag       */ | 
|  | #define SAR_STAT_FBQ3A      0x00000100 /* Free Buffer Queue 3 Attention   */ | 
|  | #define SAR_STAT_FBQ2A      0x00000080 /* Free Buffer Queue 2 Attention   */ | 
|  | #define SAR_STAT_RSQF       0x00000040 /* Receive Status Queue full       */ | 
|  | #define SAR_STAT_EPDU       0x00000020 /* End Of PDU Flag                 */ | 
|  | #define SAR_STAT_RAWCF      0x00000010 /* Raw Cell Flag                   */ | 
|  | #define SAR_STAT_FBQ1A      0x00000008 /* Free Buffer Queue 1 Attention   */ | 
|  | #define SAR_STAT_FBQ0A      0x00000004 /* Free Buffer Queue 0 Attention   */ | 
|  | #define SAR_STAT_RSQAF      0x00000002 /* Receive Status Queue almost full*/ | 
|  | #define SAR_STAT_RSVD2      0x00000001 /* Reserved                        */ | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   General Purpose Register bits                                           */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_GP_TXNCC_MASK   0xff000000  /* Transmit Negative Credit Count   */ | 
|  | #define SAR_GP_EEDI         0x00010000  /* EEPROM Data In                   */ | 
|  | #define SAR_GP_BIGE         0x00008000  /* Big Endian Operation             */ | 
|  | #define SAR_GP_RM_NORMAL    0x00000000  /* Normal handling of RM cells      */ | 
|  | #define SAR_GP_RM_TO_RCQ    0x00002000  /* put RM cells into Raw Cell Queue */ | 
|  | #define SAR_GP_RM_RSVD      0x00004000  /* Reserved                         */ | 
|  | #define SAR_GP_RM_INHIBIT   0x00006000  /* Inhibit update of Connection tab */ | 
|  | #define SAR_GP_PHY_RESET    0x00000008  /* PHY Reset                        */ | 
|  | #define SAR_GP_EESCLK	    0x00000004	/* EEPROM SCLK			    */ | 
|  | #define SAR_GP_EECS	    0x00000002	/* EEPROM Chip Select		    */ | 
|  | #define SAR_GP_EEDO	    0x00000001	/* EEPROM Data Out		    */ | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   SAR local SRAM layout for 128k work SRAM                                */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_SRAM_SCD_SIZE        12 | 
|  | #define SAR_SRAM_TCT_SIZE         8 | 
|  | #define SAR_SRAM_RCT_SIZE         4 | 
|  |  | 
|  | #define SAR_SRAM_TCT_128_BASE    0x00000 | 
|  | #define SAR_SRAM_TCT_128_TOP     0x01fff | 
|  | #define SAR_SRAM_RCT_128_BASE    0x02000 | 
|  | #define SAR_SRAM_RCT_128_TOP     0x02fff | 
|  | #define SAR_SRAM_FB0_128_BASE    0x03000 | 
|  | #define SAR_SRAM_FB0_128_TOP     0x033ff | 
|  | #define SAR_SRAM_FB1_128_BASE    0x03400 | 
|  | #define SAR_SRAM_FB1_128_TOP     0x037ff | 
|  | #define SAR_SRAM_FB2_128_BASE    0x03800 | 
|  | #define SAR_SRAM_FB2_128_TOP     0x03bff | 
|  | #define SAR_SRAM_FB3_128_BASE    0x03c00 | 
|  | #define SAR_SRAM_FB3_128_TOP     0x03fff | 
|  | #define SAR_SRAM_SCD_128_BASE    0x04000 | 
|  | #define SAR_SRAM_SCD_128_TOP     0x07fff | 
|  | #define SAR_SRAM_TST1_128_BASE   0x08000 | 
|  | #define SAR_SRAM_TST1_128_TOP    0x0bfff | 
|  | #define SAR_SRAM_TST2_128_BASE   0x0c000 | 
|  | #define SAR_SRAM_TST2_128_TOP    0x0ffff | 
|  | #define SAR_SRAM_ABRSTD_128_BASE 0x10000 | 
|  | #define SAR_SRAM_ABRSTD_128_TOP  0x13fff | 
|  | #define SAR_SRAM_RT_128_BASE     0x14000 | 
|  | #define SAR_SRAM_RT_128_TOP      0x15fff | 
|  |  | 
|  | #define SAR_SRAM_FIFO_128_BASE   0x18000 | 
|  | #define SAR_SRAM_FIFO_128_TOP    0x1ffff | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   SAR local SRAM layout for 32k work SRAM                                 */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_SRAM_TCT_32_BASE     0x00000 | 
|  | #define SAR_SRAM_TCT_32_TOP      0x00fff | 
|  | #define SAR_SRAM_RCT_32_BASE     0x01000 | 
|  | #define SAR_SRAM_RCT_32_TOP      0x017ff | 
|  | #define SAR_SRAM_FB0_32_BASE     0x01800 | 
|  | #define SAR_SRAM_FB0_32_TOP      0x01bff | 
|  | #define SAR_SRAM_FB1_32_BASE     0x01c00 | 
|  | #define SAR_SRAM_FB1_32_TOP      0x01fff | 
|  | #define SAR_SRAM_FB2_32_BASE     0x02000 | 
|  | #define SAR_SRAM_FB2_32_TOP      0x023ff | 
|  | #define SAR_SRAM_FB3_32_BASE     0x02400 | 
|  | #define SAR_SRAM_FB3_32_TOP      0x027ff | 
|  | #define SAR_SRAM_SCD_32_BASE     0x02800 | 
|  | #define SAR_SRAM_SCD_32_TOP      0x03fff | 
|  | #define SAR_SRAM_TST1_32_BASE    0x04000 | 
|  | #define SAR_SRAM_TST1_32_TOP     0x04fff | 
|  | #define SAR_SRAM_TST2_32_BASE    0x05000 | 
|  | #define SAR_SRAM_TST2_32_TOP     0x05fff | 
|  | #define SAR_SRAM_ABRSTD_32_BASE  0x06000 | 
|  | #define SAR_SRAM_ABRSTD_32_TOP   0x067ff | 
|  | #define SAR_SRAM_RT_32_BASE      0x06800 | 
|  | #define SAR_SRAM_RT_32_TOP       0x06fff | 
|  | #define SAR_SRAM_FIFO_32_BASE    0x07000 | 
|  | #define SAR_SRAM_FIFO_32_TOP     0x07fff | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   TSR - Transmit Status Request                                           */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_TSR_TYPE_TSR  0x80000000 | 
|  | #define SAR_TSR_TYPE_TBD  0x00000000 | 
|  | #define SAR_TSR_TSIF      0x20000000 | 
|  | #define SAR_TSR_TAG_MASK  0x01F00000 | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   TBD - Transmit Buffer Descriptor                                        */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_TBD_EPDU      0x40000000 | 
|  | #define SAR_TBD_TSIF      0x20000000 | 
|  | #define SAR_TBD_OAM       0x10000000 | 
|  | #define SAR_TBD_AAL0      0x00000000 | 
|  | #define SAR_TBD_AAL34     0x04000000 | 
|  | #define SAR_TBD_AAL5      0x08000000 | 
|  | #define SAR_TBD_GTSI      0x02000000 | 
|  | #define SAR_TBD_TAG_MASK  0x01F00000 | 
|  |  | 
|  | #define SAR_TBD_VPI_MASK  0x0FF00000 | 
|  | #define SAR_TBD_VCI_MASK  0x000FFFF0 | 
|  | #define SAR_TBD_VC_MASK   (SAR_TBD_VPI_MASK | SAR_TBD_VCI_MASK) | 
|  |  | 
|  | #define SAR_TBD_VPI_SHIFT 20 | 
|  | #define SAR_TBD_VCI_SHIFT 4 | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   RXFD - Receive FIFO Descriptor                                          */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_RXFD_SIZE_MASK     0x0F000000 | 
|  | #define SAR_RXFD_SIZE_512      0x00000000  /* 512 words                      */ | 
|  | #define SAR_RXFD_SIZE_1K       0x01000000  /* 1k words                       */ | 
|  | #define SAR_RXFD_SIZE_2K       0x02000000  /* 2k words                       */ | 
|  | #define SAR_RXFD_SIZE_4K       0x03000000  /* 4k words                       */ | 
|  | #define SAR_RXFD_SIZE_8K       0x04000000  /* 8k words                       */ | 
|  | #define SAR_RXFD_SIZE_16K      0x05000000  /* 16k words                      */ | 
|  | #define SAR_RXFD_SIZE_32K      0x06000000  /* 32k words                      */ | 
|  | #define SAR_RXFD_SIZE_64K      0x07000000  /* 64k words                      */ | 
|  | #define SAR_RXFD_SIZE_128K     0x08000000  /* 128k words                     */ | 
|  | #define SAR_RXFD_SIZE_256K     0x09000000  /* 256k words                     */ | 
|  | #define SAR_RXFD_ADDR_MASK     0x001ffc00 | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   ABRSTD - ABR + VBR Schedule Tables                                      */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_ABRSTD_SIZE_MASK   0x07000000 | 
|  | #define SAR_ABRSTD_SIZE_512    0x00000000  /* 512 words                      */ | 
|  | #define SAR_ABRSTD_SIZE_1K     0x01000000  /* 1k words                       */ | 
|  | #define SAR_ABRSTD_SIZE_2K     0x02000000  /* 2k words                       */ | 
|  | #define SAR_ABRSTD_SIZE_4K     0x03000000  /* 4k words                       */ | 
|  | #define SAR_ABRSTD_SIZE_8K     0x04000000  /* 8k words                       */ | 
|  | #define SAR_ABRSTD_SIZE_16K    0x05000000  /* 16k words                      */ | 
|  | #define SAR_ABRSTD_ADDR_MASK   0x001ffc00 | 
|  |  | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   RCTE - Receive Connection Table Entry                                   */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #define SAR_RCTE_IL_MASK       0xE0000000  /* inactivity limit               */ | 
|  | #define SAR_RCTE_IC_MASK       0x1C000000  /* inactivity count               */ | 
|  | #define SAR_RCTE_RSVD          0x02000000  /* reserved                       */ | 
|  | #define SAR_RCTE_LCD           0x01000000  /* last cell data                 */ | 
|  | #define SAR_RCTE_CI_VC         0x00800000  /* EFCI in previous cell of VC    */ | 
|  | #define SAR_RCTE_FBP_01        0x00000000  /* 1. cell->FBQ0, others->FBQ1    */ | 
|  | #define SAR_RCTE_FBP_1         0x00200000  /* use FBQ 1 for all cells        */ | 
|  | #define SAR_RCTE_FBP_2         0x00400000  /* use FBQ 2 for all cells        */ | 
|  | #define SAR_RCTE_FBP_3         0x00600000  /* use FBQ 3 for all cells        */ | 
|  | #define SAR_RCTE_NZ_GFC        0x00100000  /* non zero GFC in all cell of VC */ | 
|  | #define SAR_RCTE_CONNECTOPEN   0x00080000  /* VC is open                     */ | 
|  | #define SAR_RCTE_AAL_MASK      0x00070000  /* mask for AAL type field s.b.   */ | 
|  | #define SAR_RCTE_RAWCELLINTEN  0x00008000  /* raw cell interrupt enable      */ | 
|  | #define SAR_RCTE_RXCONCELLADDR 0x00004000  /* RX constant cell address       */ | 
|  | #define SAR_RCTE_BUFFSTAT_MASK 0x00003000  /* buffer status                  */ | 
|  | #define SAR_RCTE_EFCI          0x00000800  /* EFCI Congestion flag           */ | 
|  | #define SAR_RCTE_CLP           0x00000400  /* Cell Loss Priority flag        */ | 
|  | #define SAR_RCTE_CRC           0x00000200  /* Received CRC Error             */ | 
|  | #define SAR_RCTE_CELLCNT_MASK  0x000001FF  /* cell Count                     */ | 
|  |  | 
|  | #define SAR_RCTE_AAL0          0x00000000  /* AAL types for ALL field        */ | 
|  | #define SAR_RCTE_AAL34         0x00010000 | 
|  | #define SAR_RCTE_AAL5          0x00020000 | 
|  | #define SAR_RCTE_RCQ           0x00030000 | 
|  | #define SAR_RCTE_OAM           0x00040000 | 
|  |  | 
|  | #define TCMDQ_START		0x01000000 | 
|  | #define TCMDQ_LACR		0x02000000 | 
|  | #define TCMDQ_START_LACR	0x03000000 | 
|  | #define TCMDQ_INIT_ER		0x04000000 | 
|  | #define TCMDQ_HALT		0x05000000 | 
|  |  | 
|  |  | 
|  | struct idt77252_skb_prv { | 
|  | struct scqe	tbd;	/* Transmit Buffer Descriptor */ | 
|  | dma_addr_t	paddr;	/* DMA handle */ | 
|  | u32		pool;	/* sb_pool handle */ | 
|  | }; | 
|  |  | 
|  | #define IDT77252_PRV_TBD(skb)	\ | 
|  | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->tbd) | 
|  | #define IDT77252_PRV_PADDR(skb)	\ | 
|  | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->paddr) | 
|  | #define IDT77252_PRV_POOL(skb)	\ | 
|  | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->pool) | 
|  |  | 
|  | /*****************************************************************************/ | 
|  | /*                                                                           */ | 
|  | /*   PCI related items                                                       */ | 
|  | /*                                                                           */ | 
|  | /*****************************************************************************/ | 
|  |  | 
|  | #ifndef PCI_VENDOR_ID_IDT | 
|  | #define PCI_VENDOR_ID_IDT 0x111D | 
|  | #endif /* PCI_VENDOR_ID_IDT */ | 
|  |  | 
|  | #ifndef PCI_DEVICE_ID_IDT_IDT77252 | 
|  | #define PCI_DEVICE_ID_IDT_IDT77252 0x0003 | 
|  | #endif /* PCI_DEVICE_ID_IDT_IDT772052 */ | 
|  |  | 
|  |  | 
|  | #endif /* !(_IDT77252_H) */ |