 25985edced
			
		
	
	
	25985edced
	
	
	
		
			
			Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
		
			
				
	
	
		
			813 lines
		
	
	
	
		
			34 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			813 lines
		
	
	
	
		
			34 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /******************************************************************* 
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|  *
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|  * Copyright (c) 2000 ATecoM GmbH 
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|  *
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|  * The author may be reached at ecd@atecom.com.
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|  *
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|  * This program is free software; you can redistribute  it and/or modify it
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|  * under  the terms of  the GNU General  Public License as published by the
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|  * Free Software Foundation;  either version 2 of the  License, or (at your
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|  * option) any later version.
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|  *
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|  * THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR   IMPLIED
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|  * WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
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|  * NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT,  INDIRECT,
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|  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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|  * NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
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|  * USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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|  * ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
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|  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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|  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  *
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|  * You should have received a copy of the  GNU General Public License along
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|  * with this program; if not, write  to the Free Software Foundation, Inc.,
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|  * 675 Mass Ave, Cambridge, MA 02139, USA.
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|  *
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|  *******************************************************************/
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| 
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| #ifndef _IDT77252_H
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| #define _IDT77252_H 1
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| 
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| 
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| #include <linux/ptrace.h>
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| #include <linux/skbuff.h>
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| #include <linux/workqueue.h>
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| #include <linux/mutex.h>
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /* Makros                                                                    */
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| /*                                                                           */
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| /*****************************************************************************/
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| #define VPCI2VC(card, vpi, vci) \
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|         (((vpi) << card->vcibits) | ((vci) & card->vcimask))
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   DEBUGGING definitions                                                   */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| #define DBG_RAW_CELL	0x00000400
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| #define DBG_TINY	0x00000200
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| #define DBG_GENERAL     0x00000100
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| #define DBG_XGENERAL    0x00000080
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| #define DBG_INIT        0x00000040
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| #define DBG_DEINIT      0x00000020
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| #define DBG_INTERRUPT   0x00000010
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| #define DBG_OPEN_CONN   0x00000008
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| #define DBG_CLOSE_CONN  0x00000004
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| #define DBG_RX_DATA     0x00000002
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| #define DBG_TX_DATA     0x00000001
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| 
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| #ifdef CONFIG_ATM_IDT77252_DEBUG
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| 
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| #define CPRINTK(args...)   do { if (debug & DBG_CLOSE_CONN) printk(args); } while(0)
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| #define OPRINTK(args...)   do { if (debug & DBG_OPEN_CONN)  printk(args); } while(0)
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| #define IPRINTK(args...)   do { if (debug & DBG_INIT)       printk(args); } while(0)
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| #define INTPRINTK(args...) do { if (debug & DBG_INTERRUPT)  printk(args); } while(0)
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| #define DIPRINTK(args...)  do { if (debug & DBG_DEINIT)     printk(args); } while(0)
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| #define TXPRINTK(args...)  do { if (debug & DBG_TX_DATA)    printk(args); } while(0)
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| #define RXPRINTK(args...)  do { if (debug & DBG_RX_DATA)    printk(args); } while(0)
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| #define XPRINTK(args...)   do { if (debug & DBG_XGENERAL)   printk(args); } while(0)
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| #define DPRINTK(args...)   do { if (debug & DBG_GENERAL)    printk(args); } while(0)
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| #define NPRINTK(args...)   do { if (debug & DBG_TINY)	    printk(args); } while(0)
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| #define RPRINTK(args...)   do { if (debug & DBG_RAW_CELL)   printk(args); } while(0)
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| 
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| #else
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| 
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| #define CPRINTK(args...)	do { } while(0)
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| #define OPRINTK(args...)	do { } while(0)
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| #define IPRINTK(args...)	do { } while(0)
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| #define INTPRINTK(args...)	do { } while(0)
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| #define DIPRINTK(args...)	do { } while(0)
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| #define TXPRINTK(args...)	do { } while(0)
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| #define RXPRINTK(args...)	do { } while(0)
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| #define XPRINTK(args...)	do { } while(0)
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| #define DPRINTK(args...)	do { } while(0)
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| #define NPRINTK(args...)	do { } while(0)
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| #define RPRINTK(args...)	do { } while(0)
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| 
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| #endif
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| 
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| #define SCHED_UBR0		0
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| #define SCHED_UBR		1
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| #define SCHED_VBR		2
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| #define SCHED_ABR		3
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| #define SCHED_CBR		4
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| 
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| #define SCQFULL_TIMEOUT		HZ
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   Free Buffer Queue Layout                                                */
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| /*                                                                           */
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| /*****************************************************************************/
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| #define SAR_FB_SIZE_0		(2048 - 256)
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| #define SAR_FB_SIZE_1		(4096 - 256)
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| #define SAR_FB_SIZE_2		(8192 - 256)
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| #define SAR_FB_SIZE_3		(16384 - 256)
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| 
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| #define SAR_FBQ0_LOW		4
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| #define SAR_FBQ0_HIGH		8
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| #define SAR_FBQ1_LOW		2
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| #define SAR_FBQ1_HIGH		4
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| #define SAR_FBQ2_LOW		1
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| #define SAR_FBQ2_HIGH		2
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| #define SAR_FBQ3_LOW		1
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| #define SAR_FBQ3_HIGH		2
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| 
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| #if 0
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| #define SAR_TST_RESERVED	44	/* Num TST reserved for UBR/ABR/VBR */
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| #else
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| #define SAR_TST_RESERVED	0	/* Num TST reserved for UBR/ABR/VBR */
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| #endif
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| 
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| #define TCT_CBR			0x00000000
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| #define TCT_UBR			0x00000000
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| #define TCT_VBR			0x40000000
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| #define TCT_ABR			0x80000000
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| #define TCT_TYPE		0xc0000000
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| 
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| #define TCT_RR			0x20000000
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| #define TCT_LMCR		0x08000000
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| #define TCT_SCD_MASK		0x0007ffff
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| 
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| #define TCT_TSIF		0x00004000
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| #define TCT_HALT		0x80000000
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| #define TCT_IDLE		0x40000000
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| #define TCT_FLAG_UBR		0x80000000
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   Structure describing an IDT77252                                        */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| struct scqe
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| {
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| 	u32		word_1;
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| 	u32		word_2;
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| 	u32		word_3;
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| 	u32		word_4;
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| };
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| 
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| #define SCQ_ENTRIES	64
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| #define SCQ_SIZE	(SCQ_ENTRIES * sizeof(struct scqe))
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| #define SCQ_MASK	(SCQ_SIZE - 1)
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| 
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| struct scq_info
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| {
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| 	struct scqe		*base;
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| 	struct scqe		*next;
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| 	struct scqe		*last;
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| 	dma_addr_t		paddr;
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| 	spinlock_t		lock;
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| 	atomic_t		used;
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| 	unsigned long		trans_start;
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|         unsigned long		scd;
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| 	spinlock_t		skblock;
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| 	struct sk_buff_head	transmit;
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| 	struct sk_buff_head	pending;
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| };
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| 
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| struct rx_pool {
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| 	struct sk_buff_head	queue;
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| 	unsigned int		len;
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| };
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| 
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| struct aal1 {
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| 	unsigned int		total;
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| 	unsigned int		count;
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| 	struct sk_buff		*data;
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| 	unsigned char		sequence;
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| };
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| 
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| struct rate_estimator {
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| 	struct timer_list	timer;
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| 	unsigned int		interval;
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| 	unsigned int		ewma_log;
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| 	u64			cells;
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| 	u64			last_cells;
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| 	long			avcps;
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| 	u32			cps;
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| 	u32			maxcps;
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| };
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| 
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| struct vc_map {
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| 	unsigned int		index;
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| 	unsigned long		flags;
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| #define VCF_TX		0
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| #define VCF_RX		1
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| #define VCF_IDLE	2
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| #define VCF_RSV		3
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| 	unsigned int		class;
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| 	u8			init_er;
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| 	u8			lacr;
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| 	u8			max_er;
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| 	unsigned int		ntste;
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| 	spinlock_t		lock;
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| 	struct atm_vcc		*tx_vcc;
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| 	struct atm_vcc		*rx_vcc;
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| 	struct idt77252_dev	*card;
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| 	struct scq_info		*scq;		/* To keep track of the SCQ */
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| 	struct rate_estimator	*estimator;
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| 	int			scd_index;
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| 	union {
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| 		struct rx_pool	rx_pool;
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| 		struct aal1	aal1;
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| 	} rcv;
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| };
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   RCTE - Receive Connection Table Entry                                   */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| struct rct_entry
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| {
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| 	u32		word_1;
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| 	u32		buffer_handle;
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| 	u32		dma_address;
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| 	u32		aal5_crc32;
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| };
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   RSQ - Receive Status Queue                                              */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| #define SAR_RSQE_VALID      0x80000000
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| #define SAR_RSQE_IDLE       0x40000000
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| #define SAR_RSQE_BUF_MASK   0x00030000
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| #define SAR_RSQE_BUF_ASGN   0x00008000
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| #define SAR_RSQE_NZGFC      0x00004000
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| #define SAR_RSQE_EPDU       0x00002000
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| #define SAR_RSQE_BUF_CONT   0x00001000
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| #define SAR_RSQE_EFCIE      0x00000800
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| #define SAR_RSQE_CLP        0x00000400
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| #define SAR_RSQE_CRC        0x00000200
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| #define SAR_RSQE_CELLCNT    0x000001FF
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| 
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| 
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| #define RSQSIZE            8192
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| #define RSQ_NUM_ENTRIES    (RSQSIZE / 16)
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| #define RSQ_ALIGNMENT      8192
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| 
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| struct rsq_entry {
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| 	u32			word_1;
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| 	u32			word_2;
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| 	u32			word_3;
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| 	u32			word_4;
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| };
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| 
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| struct rsq_info {
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| 	struct rsq_entry	*base;
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| 	struct rsq_entry	*next;
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| 	struct rsq_entry	*last;
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| 	dma_addr_t		paddr;
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| };
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| 
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   TSQ - Transmit Status Queue                                             */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| #define SAR_TSQE_INVALID         0x80000000
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| #define SAR_TSQE_TIMESTAMP       0x00FFFFFF
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| #define SAR_TSQE_TYPE		 0x60000000
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| #define SAR_TSQE_TYPE_TIMER      0x00000000
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| #define SAR_TSQE_TYPE_TSR        0x20000000
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| #define SAR_TSQE_TYPE_IDLE       0x40000000
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| #define SAR_TSQE_TYPE_TBD_COMP   0x60000000
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| 
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| #define SAR_TSQE_TAG(stat)	(((stat) >> 24) & 0x1f)
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| 
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| #define TSQSIZE            8192
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| #define TSQ_NUM_ENTRIES    1024
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| #define TSQ_ALIGNMENT      8192
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| 
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| struct tsq_entry
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| {
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| 	u32			word_1;
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| 	u32			word_2;
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| };
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| 
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| struct tsq_info
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| {
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| 	struct tsq_entry	*base;
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| 	struct tsq_entry	*next;
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| 	struct tsq_entry	*last;
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| 	dma_addr_t		paddr;
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| };
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| 
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| struct tst_info
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| {
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| 	struct vc_map		*vc;
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| 	u32			tste;
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| };
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| 
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| #define TSTE_MASK		0x601fffff
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| 
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| #define TSTE_OPC_MASK		0x60000000
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| #define TSTE_OPC_NULL		0x00000000
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| #define TSTE_OPC_CBR		0x20000000
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| #define TSTE_OPC_VAR		0x40000000
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| #define TSTE_OPC_JMP		0x60000000
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| 
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| #define TSTE_PUSH_IDLE		0x01000000
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| #define TSTE_PUSH_ACTIVE	0x02000000
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| 
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| #define TST_SWITCH_DONE		0
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| #define TST_SWITCH_PENDING	1
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| #define TST_SWITCH_WAIT		2
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| 
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| #define FBQ_SHIFT		9
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| #define FBQ_SIZE		(1 << FBQ_SHIFT)
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| #define FBQ_MASK		(FBQ_SIZE - 1)
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| 
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| struct sb_pool
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| {
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| 	unsigned int		index;
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| 	struct sk_buff		*skb[FBQ_SIZE];
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| };
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| 
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| #define POOL_HANDLE(queue, index)	(((queue + 1) << 16) | (index))
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| #define POOL_QUEUE(handle)		(((handle) >> 16) - 1)
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| #define POOL_INDEX(handle)		((handle) & 0xffff)
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| 
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| struct idt77252_dev
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| {
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|         struct tsq_info		tsq;		/* Transmit Status Queue */
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|         struct rsq_info		rsq;		/* Receive Status Queue */
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| 
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| 	struct pci_dev		*pcidev;	/* PCI handle (desriptor) */
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| 	struct atm_dev		*atmdev;	/* ATM device desriptor */
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| 
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| 	void __iomem		*membase;	/* SAR's memory base address */
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| 	unsigned long		srambase;	/* SAR's sram  base address */
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| 	void __iomem		*fbq[4];	/* FBQ fill addresses */
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| 
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| 	struct mutex		mutex;
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| 	spinlock_t		cmd_lock;	/* for r/w utility/sram */
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| 
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| 	unsigned long		softstat;
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| 	unsigned long		flags;		/* see blow */
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| 
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| 	struct work_struct	tqueue;
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| 
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| 	unsigned long		tct_base;	/* TCT base address in SRAM */
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|         unsigned long		rct_base;	/* RCT base address in SRAM */
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|         unsigned long		rt_base;	/* Rate Table base in SRAM */
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|         unsigned long		scd_base;	/* SCD base address in SRAM */
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|         unsigned long		tst[2];		/* TST base address in SRAM */
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| 	unsigned long		abrst_base;	/* ABRST base address in SRAM */
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|         unsigned long		fifo_base;	/* RX FIFO base in SRAM */
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| 
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| 	unsigned long		irqstat[16];
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| 
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| 	unsigned int		sramsize;	/* SAR's sram size */
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| 
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|         unsigned int		tct_size;	/* total TCT entries */
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|         unsigned int		rct_size;	/* total RCT entries */
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|         unsigned int		scd_size;	/* length of SCD */
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|         unsigned int		tst_size;	/* total TST entries */
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|         unsigned int		tst_free;	/* free TSTEs in TST */
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|         unsigned int		abrst_size;	/* size of ABRST in words */
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|         unsigned int		fifo_size;	/* size of RX FIFO in words */
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| 
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|         unsigned int		vpibits;	/* Bits used for VPI index */
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|         unsigned int		vcibits;	/* Bits used for VCI index */
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|         unsigned int		vcimask;	/* Mask for VCI index */
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| 
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| 	unsigned int		utopia_pcr;	/* Utopia Itf's Cell Rate */
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| 	unsigned int		link_pcr;	/* PHY's Peek Cell Rate */
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| 
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| 	struct vc_map		**vcs;		/* Open Connections */
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| 	struct vc_map		**scd2vc;	/* SCD to Connection map */
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| 
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| 	struct tst_info		*soft_tst;	/* TST to Connection map */
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| 	unsigned int		tst_index;	/* Current TST in use */
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| 	struct timer_list	tst_timer;
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| 	spinlock_t		tst_lock;
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| 	unsigned long		tst_state;
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| 
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| 	struct sb_pool		sbpool[4];	/* Pool of RX skbuffs */
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| 	struct sk_buff		*raw_cell_head; /* Pointer to raw cell queue */
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| 	u32			*raw_cell_hnd;	/* Pointer to RCQ handle */
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| 	dma_addr_t		raw_cell_paddr;
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| 
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| 	int			index;		/* SAR's ID */
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| 	int			revision;	/* chip revision */
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| 
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| 	char			name[16];	/* Device name */
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| 
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| 	struct idt77252_dev	*next;
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| };
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| 
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| 
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| /* definition for flag field above */
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| #define IDT77252_BIT_INIT		1
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| #define IDT77252_BIT_INTERRUPT		2
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| 
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| 
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| #define ATM_CELL_PAYLOAD         48
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| 
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| #define FREEBUF_ALIGNMENT        16
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /* Makros                                                                    */
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| /*                                                                           */
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| /*****************************************************************************/
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| #define ALIGN_ADDRESS(addr, alignment) \
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|         ((((u32)(addr)) + (((u32)(alignment))-1)) & ~(((u32)(alignment)) - 1))
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| 
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| 
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| /*****************************************************************************/
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| /*                                                                           */
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| /*   ABR SAR Network operation Register                                      */
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| /*                                                                           */
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| /*****************************************************************************/
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| 
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| #define SAR_REG_DR0	(card->membase + 0x00)
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| #define SAR_REG_DR1	(card->membase + 0x04)
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| #define SAR_REG_DR2	(card->membase + 0x08)
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| #define SAR_REG_DR3	(card->membase + 0x0C)
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| #define SAR_REG_CMD	(card->membase + 0x10)
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| #define SAR_REG_CFG	(card->membase + 0x14)
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| #define SAR_REG_STAT	(card->membase + 0x18)
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| #define SAR_REG_RSQB	(card->membase + 0x1C)
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| #define SAR_REG_RSQT	(card->membase + 0x20)
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| #define SAR_REG_RSQH	(card->membase + 0x24)
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| #define SAR_REG_CDC	(card->membase + 0x28)
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| #define SAR_REG_VPEC	(card->membase + 0x2C)
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| #define SAR_REG_ICC	(card->membase + 0x30)
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| #define SAR_REG_RAWCT	(card->membase + 0x34)
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| #define SAR_REG_TMR	(card->membase + 0x38)
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| #define SAR_REG_TSTB	(card->membase + 0x3C)
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| #define SAR_REG_TSQB	(card->membase + 0x40)
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| #define SAR_REG_TSQT	(card->membase + 0x44)
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| #define SAR_REG_TSQH	(card->membase + 0x48)
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| #define SAR_REG_GP	(card->membase + 0x4C)
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| #define SAR_REG_VPM	(card->membase + 0x50)
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| #define SAR_REG_RXFD	(card->membase + 0x54)
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| #define SAR_REG_RXFT	(card->membase + 0x58)
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| #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) */
 |