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linuxdebug/drivers/atm/idt77252.h

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null pointer error
2024-07-16 15:50:57 +02:00
/*******************************************************************
*
* 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 vc_map;
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 *vc;
};
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 */
} __packed;
#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) */