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-rw-r--r--drivers/atm/idt77252.h819
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diff --git a/drivers/atm/idt77252.h b/drivers/atm/idt77252.h
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+++ b/drivers/atm/idt77252.h
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+/*******************************************************************
+ * ident "$Id: idt77252.h,v 1.2 2001/11/11 08:13:54 ecd Exp $"
+ *
+ * $Author: ecd $
+ * $Date: 2001/11/11 08:13:54 $
+ *
+ * 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>
+
+
+/*****************************************************************************/
+/* */
+/* 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 *first;
+ struct sk_buff **last;
+ unsigned int len;
+ unsigned int count;
+};
+
+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 semaphore 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 Comand 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 /* Recieved 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) */