include/asm-ia64/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
  14 struct cx_id_s {
  15         unsigned int part_num;
  16         unsigned int mfg_num;
  17         int nasid;
  18 };
  19
  20 struct cx_dev {
  21         struct cx_id_s cx_id;
  22         void *soft;                     /* driver specific */
  23         struct hubdev_info *hubdev;
  24         struct device dev;
  25         struct cx_drv *driver;
  26 };
  27
  28 struct cx_device_id {
  29         unsigned int part_num;
  30         unsigned int mfg_num;
  31 };
  32
  33 struct cx_drv {
  34         char *name;
  35         const struct cx_device_id *id_table;
  36         struct device_driver driver;
  37         int (*probe) (struct cx_dev * dev, const struct cx_device_id * id);
  38         int (*remove) (struct cx_dev * dev);
  39 };
  40
  41 /* create DMA address by stripping AS bits */
  42 #define TIOCX_DMA_ADDR(a) (uint64_t)((uint64_t)(a) & 0xffffcfffffffffUL)
  43
  44 #define TIOCX_TO_TIOCX_DMA_ADDR(a) (uint64_t)(((uint64_t)(a) & 0xfffffffff) |  \
  45                                   ((((uint64_t)(a)) & 0xffffc000000000UL) <<2))
  46
  47 #define TIO_CE_ASIC_PARTNUM 0xce00
  48 #define TIOCX_CORELET 3
  49
  50 /* These are taken from tio_mmr_as.h */
  51 #define TIO_ICE_FRZ_CFG               TIO_MMR_ADDR_MOD(0x00000000b0008100UL)
  52 #define TIO_ICE_PMI_TX_CFG            TIO_MMR_ADDR_MOD(0x00000000b000b100UL)
  53 #define TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3 TIO_MMR_ADDR_MOD(0x00000000b000be18UL)
  54 #define TIO_ICE_PMI_TX_DYN_CREDIT_STAT_CB3_CREDIT_CNT_MASK 0x000000000000000fUL
  55
  56 #define to_cx_dev(n) container_of(n, struct cx_dev, dev)
  57 #define to_cx_driver(drv) container_of(drv, struct cx_drv, driver)
  58
  59 extern struct sn_irq_info *tiocx_irq_alloc(nasid_t, int, int, nasid_t, int);
  60 extern void tiocx_irq_free(struct sn_irq_info *);
  61 extern int cx_device_unregister(struct cx_dev *);
  62 extern int cx_device_register(nasid_t, int, int, struct hubdev_info *);
  63 extern int cx_driver_unregister(struct cx_drv *);
  64 extern int cx_driver_register(struct cx_drv *);
  65 extern uint64_t tiocx_dma_addr(uint64_t addr);
  66 extern uint64_t tiocx_swin_base(int nasid);
  67 extern void tiocx_mmr_store(int nasid, uint64_t offset, uint64_t value);
  68 extern uint64_t tiocx_mmr_load(int nasid, uint64_t offset);
  69
  70 #endif                          //  __KERNEL__
  71 #endif                          // _ASM_IA64_SN_TIO_TIOCX__