LXR linux/arch/ia64/include/asm/sn/tiocx.h

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (c) 2005 Silicon Graphics, Inc. All rights reserved.
   7 */
   8
   9#ifndef _ASM_IA64_SN_TIO_TIOCX_H
  10#define _ASM_IA64_SN_TIO_TIOCX_H
  11
  12#ifdef __KERNEL__
  13
  14struct cx_id_s {
  15        unsigned int part_num;
  16        unsigned int mfg_num;
  17        int nasid;
  18};
  19
  20struct cx_dev {
  21        struct cx_id_s cx_id;
  22        int bt;                         /* board/blade type */
  23        void *soft;                     /* driver specific */
  24        struct hubdev_info *hubdev;
  25        struct device dev;
  26        struct cx_drv *driver;
  27};
  28
  29struct cx_device_id {
  30        unsigned int part_num;
  31        unsigned int mfg_num;
  32};
  33
  34struct cx_drv {
  35        char *name;
  36        const struct cx_device_id *id_table;
  37        struct device_driver driver;
  38        int (*probe) (struct cx_dev * dev, const struct cx_device_id * id);
  39        int (*remove) (struct cx_dev * dev);
  40};
  41
  42/* create DMA address by stripping AS bits */
  43#define TIOCX_DMA_ADDR(a) (u64)((u64)(a) & 0xffffcfffffffffUL)
  44
  45#define TIOCX_TO_TIOCX_DMA_ADDR(a) (u64)(((u64)(a) & 0xfffffffff) |  \
  46                                  ((((u64)(a)) & 0xffffc000000000UL) <<2))
  47
  48#define TIO_CE_ASIC_PARTNUM 0xce00
  49#define TIOCX_CORELET 3
  50
  51/* These are taken from tio_mmr_as.h */
  52#define TIO_ICE_FRZ_CFG               TIO_MMR_ADDR_MOD(0x00000000b0008100UL)
  53#define TIO_ICE_PMI_TX_CFG            TIO_MMR_ADDR_MOD(0x00000000b000b100UL)
  54#define TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3 TIO_MMR_ADDR_MOD(0x00000000b000be18UL)
  55#define TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3_CREDIT_CNT_MASK 0x000000000000000fUL
  56
  57#define to_cx_dev(n) container_of(n, struct cx_dev, dev)
  58#define to_cx_driver(drv) container_of(drv, struct cx_drv, driver)
  59
  60extern struct sn_irq_info *tiocx_irq_alloc(nasid_t, int, int, nasid_t, int);
  61extern void tiocx_irq_free(struct sn_irq_info *);
  62extern int cx_device_unregister(struct cx_dev *);
  63extern int cx_device_register(nasid_t, int, int, struct hubdev_info *, int);
  64extern int cx_driver_unregister(struct cx_drv *);
  65extern int cx_driver_register(struct cx_drv *);
  66extern u64 tiocx_dma_addr(u64 addr);
  67extern u64 tiocx_swin_base(int nasid);
  68extern void tiocx_mmr_store(int nasid, u64 offset, u64 value);
  69extern u64 tiocx_mmr_load(int nasid, u64 offset);
  70
  71#endif                          //  __KERNEL__
  72#endif                          // _ASM_IA64_SN_TIO_TIOCX__
  73