drivers/net/bcm570x_mm.h

   1
   2 /******************************************************************************/
   3 /*                                                                            */
   4 /* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2000 Broadcom         */
   5 /* Corporation.                                                               */
   6 /* All rights reserved.                                                       */
   7 /*                                                                            */
   8 /* This program is free software; you can redistribute it and/or modify       */
   9 /* it under the terms of the GNU General Public License as published by       */
  10 /* the Free Software Foundation, located in the file LICENSE.                 */
  11 /*                                                                            */
  12 /******************************************************************************/
  13
  14 #ifndef MM_H
  15 #define MM_H
  16
  17 #define __raw_readl readl
  18 #define __raw_writel writel
  19
  20 #define BIG_ENDIAN_HOST 1
  21 #define readl(addr) (*(volatile unsigned int*)(addr))
  22 #define writel(b,addr) ((*(volatile unsigned int *) (addr)) = (b))
  23
  24 /* Define memory barrier function here if needed */
  25 #define wmb()
  26 #define membar()
  27 #include <common.h>
  28 #include <asm/types.h>
  29 #include "bcm570x_lm.h"
  30 #include "bcm570x_queue.h"
  31 #include "tigon3.h"
  32 #include <pci.h>
  33
  34 #define FALSE 0
  35 #define TRUE  1
  36 #define ERROR -1
  37
  38 #if DBG
  39 #define STATIC
  40 #else
  41 #define STATIC static
  42 #endif
  43
  44 extern int MM_Packet_Desc_Size;
  45
  46 #define MM_PACKET_DESC_SIZE MM_Packet_Desc_Size
  47
  48 DECLARE_QUEUE_TYPE (UM_RX_PACKET_Q, MAX_RX_PACKET_DESC_COUNT + 1);
  49
  50 #define MAX_MEM 16
  51
  52 /* Synch */
  53 typedef int mutex_t;
  54 typedef int spinlock_t;
  55
  56 /* Embedded device control */
  57 typedef struct _UM_DEVICE_BLOCK {
  58         LM_DEVICE_BLOCK lm_dev;
  59         pci_dev_t pdev;
  60         char *name;
  61         void *mem_list[MAX_MEM];
  62         dma_addr_t dma_list[MAX_MEM];
  63         int mem_size_list[MAX_MEM];
  64         int mem_list_num;
  65         int mtu;
  66         int index;
  67         int opened;
  68         int delayed_link_ind;   /* Delay link status during initial load */
  69         int adapter_just_inited;        /* the first few seconds after init. */
  70         int spurious_int;       /* new -- unsupported */
  71         int timer_interval;
  72         int adaptive_expiry;
  73         int crc_counter_expiry; /* new -- unsupported */
  74         int poll_tib_expiry;    /* new -- unsupported */
  75         int tx_full;
  76         int tx_queued;
  77         int line_speed;         /* in Mbps, 0 if link is down */
  78         UM_RX_PACKET_Q rx_out_of_buf_q;
  79         int rx_out_of_buf;
  80         int rx_low_buf_thresh;  /* changed to rx_buf_repl_thresh */
  81         int rx_buf_repl_panic_thresh;
  82         int rx_buf_align;       /* new -- unsupported */
  83         int do_global_lock;
  84         mutex_t global_lock;
  85         mutex_t undi_lock;
  86         long undi_flags;
  87         volatile int interrupt;
  88         int tasklet_pending;
  89         int tasklet_busy;       /* new -- unsupported */
  90         int rx_pkt;
  91         int tx_pkt;
  92 #ifdef NICE_SUPPORT             /* unsupported, this is a linux ioctl */
  93         void (*nice_rx) (void *, void *);
  94         void *nice_ctx;
  95 #endif                          /* NICE_SUPPORT */
  96         int rx_adaptive_coalesce;
  97         unsigned int rx_last_cnt;
  98         unsigned int tx_last_cnt;
  99         unsigned int rx_curr_coalesce_frames;
 100         unsigned int rx_curr_coalesce_ticks;
 101         unsigned int tx_curr_coalesce_frames;   /* new -- unsupported */
 102 #if TIGON3_DEBUG                /* new -- unsupported */
 103         uint tx_zc_count;
 104         uint tx_chksum_count;
 105         uint tx_himem_count;
 106         uint rx_good_chksum_count;
 107 #endif
 108         unsigned int rx_bad_chksum_count;       /* new -- unsupported */
 109         unsigned int rx_misc_errors;    /* new -- unsupported */
 110 } UM_DEVICE_BLOCK, *PUM_DEVICE_BLOCK;
 111
 112 /* Physical/PCI DMA address */
 113 typedef union {
 114         dma_addr_t dma_map;
 115 } dma_map_t;
 116
 117 /* Packet */
 118 typedef struct
 119     _UM_PACKET {
 120         LM_PACKET lm_packet;
 121         void *skbuff;           /* Address of packet buffer */
 122 } UM_PACKET, *PUM_PACKET;
 123
 124 #define MM_ACQUIRE_UNDI_LOCK(_pDevice)
 125 #define MM_RELEASE_UNDI_LOCK(_pDevice)
 126 #define MM_ACQUIRE_INT_LOCK(_pDevice)
 127 #define MM_RELEASE_INT_LOCK(_pDevice)
 128 #define MM_UINT_PTR(_ptr)   ((unsigned long) (_ptr))
 129
 130 /* Macro for setting 64bit address struct */
 131 #define set_64bit_addr(paddr, low, high) \
 132         (paddr)->Low = low;             \
 133         (paddr)->High = high;
 134
 135 /* Assume that PCI controller's view of host memory is same as host */
 136
 137 #define MEM_TO_PCI_PHYS(addr) (addr)
 138
 139 extern void MM_SetAddr (LM_PHYSICAL_ADDRESS * paddr, dma_addr_t addr);
 140 extern void MM_SetT3Addr (T3_64BIT_HOST_ADDR * paddr, dma_addr_t addr);
 141 extern void MM_MapTxDma (PLM_DEVICE_BLOCK pDevice,
 142                          struct _LM_PACKET *pPacket, T3_64BIT_HOST_ADDR * paddr,
 143                          LM_UINT32 * len, int frag);
 144 extern void MM_MapRxDma (PLM_DEVICE_BLOCK pDevice,
 145                          struct _LM_PACKET *pPacket,
 146                          T3_64BIT_HOST_ADDR * paddr);
 147
 148 /* BSP needs to provide sysUsecDelay and sysSerialPrintString */
 149 extern void sysSerialPrintString (char *s);
 150 #define MM_Wait(usec) udelay(usec)
 151
 152 /* Define memory barrier function here if needed */
 153 #define wmb()
 154
 155 #if 0
 156 #define cpu_to_le32(val) LONGSWAP(val)
 157 #endif
 158 #endif                          /* MM_H */