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tiocx.h
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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  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 
29 struct cx_device_id {
30  unsigned int part_num;
31  unsigned int mfg_num;
32 };
33 
34 struct 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 
60 extern struct sn_irq_info *tiocx_irq_alloc(nasid_t, int, int, nasid_t, int);
61 extern void tiocx_irq_free(struct sn_irq_info *);
62 extern int cx_device_unregister(struct cx_dev *);
63 extern int cx_device_register(nasid_t, int, int, struct hubdev_info *, int);
64 extern int cx_driver_unregister(struct cx_drv *);
65 extern int cx_driver_register(struct cx_drv *);
66 extern u64 tiocx_dma_addr(u64 addr);
67 extern u64 tiocx_swin_base(int nasid);
68 extern void tiocx_mmr_store(int nasid, u64 offset, u64 value);
69 extern u64 tiocx_mmr_load(int nasid, u64 offset);
70 
71 #endif // __KERNEL__
72 #endif // _ASM_IA64_SN_TIO_TIOCX__