URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-ia64/] [sn/] [xtalk/] [xwidget.h] - Rev 1765
Compare with Previous | Blame | View Log
/* $Id: xwidget.h,v 1.1.1.1 2004-04-15 02:58:09 phoenix Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All Rights Reserved. */ #ifndef __ASM_SN_XTALK_XWIDGET_H__ #define __ASM_SN_XTALK_XWIDGET_H__ /* * xwidget.h - generic crosstalk widget header file */ #ifdef __KERNEL__ #include <asm/sn/xtalk/xtalk.h> #ifndef __ASSEMBLY__ #include <asm/sn/cdl.h> #endif /* __ASSEMBLY__ */ #else #include <xtalk/xtalk.h> #endif #ifdef LITTLE_ENDIAN #define WIDGET_ID 0x00 #define WIDGET_STATUS 0x08 #define WIDGET_ERR_UPPER_ADDR 0x10 #define WIDGET_ERR_LOWER_ADDR 0x18 #define WIDGET_CONTROL 0x20 #define WIDGET_REQ_TIMEOUT 0x28 #define WIDGET_INTDEST_UPPER_ADDR 0x30 #define WIDGET_INTDEST_LOWER_ADDR 0x38 #define WIDGET_ERR_CMD_WORD 0x40 #define WIDGET_LLP_CFG 0x48 #define WIDGET_TFLUSH 0x50 #else /* !LITTLE_ENDIAN */ #define WIDGET_ID 0x04 #define WIDGET_STATUS 0x0c #define WIDGET_ERR_UPPER_ADDR 0x14 #define WIDGET_ERR_LOWER_ADDR 0x1c #define WIDGET_CONTROL 0x24 #define WIDGET_REQ_TIMEOUT 0x2c #define WIDGET_INTDEST_UPPER_ADDR 0x34 #define WIDGET_INTDEST_LOWER_ADDR 0x3c #define WIDGET_ERR_CMD_WORD 0x44 #define WIDGET_LLP_CFG 0x4c #define WIDGET_TFLUSH 0x54 #endif /* WIDGET_ID */ #define WIDGET_REV_NUM 0xf0000000 #define WIDGET_PART_NUM 0x0ffff000 #define WIDGET_MFG_NUM 0x00000ffe #define WIDGET_REV_NUM_SHFT 28 #define WIDGET_PART_NUM_SHFT 12 #define WIDGET_MFG_NUM_SHFT 1 #define XWIDGET_PART_NUM(widgetid) (((widgetid) & WIDGET_PART_NUM) >> WIDGET_PART_NUM_SHFT) #define XWIDGET_REV_NUM(widgetid) (((widgetid) & WIDGET_REV_NUM) >> WIDGET_REV_NUM_SHFT) #define XWIDGET_MFG_NUM(widgetid) (((widgetid) & WIDGET_MFG_NUM) >> WIDGET_MFG_NUM_SHFT) #define XWIDGET_PART_REV_NUM(widgetid) ((XWIDGET_PART_NUM(widgetid) << 4) | \ XWIDGET_REV_NUM(widgetid)) #define XWIDGET_PART_REV_NUM_REV(partrev) (partrev & 0xf) /* WIDGET_STATUS */ #define WIDGET_LLP_REC_CNT 0xff000000 #define WIDGET_LLP_TX_CNT 0x00ff0000 #define WIDGET_PENDING 0x0000001f /* WIDGET_ERR_UPPER_ADDR */ #define WIDGET_ERR_UPPER_ADDR_ONLY 0x0000ffff /* WIDGET_CONTROL */ #define WIDGET_F_BAD_PKT 0x00010000 #define WIDGET_LLP_XBAR_CRD 0x0000f000 #define WIDGET_LLP_XBAR_CRD_SHFT 12 #define WIDGET_CLR_RLLP_CNT 0x00000800 #define WIDGET_CLR_TLLP_CNT 0x00000400 #define WIDGET_SYS_END 0x00000200 #define WIDGET_MAX_TRANS 0x000001f0 #define WIDGET_PCI_SPEED 0x00000030 #define WIDGET_PCI_SPEED_SHFT 4 #define WIDGET_PCI_SPEED_33MHZ 0 #define WIDGET_PCI_SPEED_66MHZ 1 #define WIDGET_WIDGET_ID 0x0000000f /* WIDGET_INTDEST_UPPER_ADDR */ #define WIDGET_INT_VECTOR 0xff000000 #define WIDGET_INT_VECTOR_SHFT 24 #define WIDGET_TARGET_ID 0x000f0000 #define WIDGET_TARGET_ID_SHFT 16 #define WIDGET_UPP_ADDR 0x0000ffff /* WIDGET_ERR_CMD_WORD */ #define WIDGET_DIDN 0xf0000000 #define WIDGET_SIDN 0x0f000000 #define WIDGET_PACTYP 0x00f00000 #define WIDGET_TNUM 0x000f8000 #define WIDGET_COHERENT 0x00004000 #define WIDGET_DS 0x00003000 #define WIDGET_GBR 0x00000800 #define WIDGET_VBPM 0x00000400 #define WIDGET_ERROR 0x00000200 #define WIDGET_BARRIER 0x00000100 /* WIDGET_LLP_CFG */ #define WIDGET_LLP_MAXRETRY 0x03ff0000 #define WIDGET_LLP_MAXRETRY_SHFT 16 #define WIDGET_LLP_NULLTIMEOUT 0x0000fc00 #define WIDGET_LLP_NULLTIMEOUT_SHFT 10 #define WIDGET_LLP_MAXBURST 0x000003ff #define WIDGET_LLP_MAXBURST_SHFT 0 /* * according to the crosstalk spec, only 32-bits access to the widget * configuration registers is allowed. some widgets may allow 64-bits * access but software should not depend on it. registers beyond the * widget target flush register are widget dependent thus will not be * defined here */ #ifndef __ASSEMBLY__ typedef uint32_t widgetreg_t; /* widget configuration registers */ typedef volatile struct widget_cfg { #ifdef LITTLE_ENDIAN /* * we access these through synergy unswizzled space, so the address * gets twiddled (i.e. references to 0x4 actually go to 0x0 and vv.) * That's why we put the register first and filler second. */ widgetreg_t w_id; /* 0x04 */ widgetreg_t w_pad_0; /* 0x00 */ widgetreg_t w_status; /* 0x0c */ widgetreg_t w_pad_1; /* 0x08 */ widgetreg_t w_err_upper_addr; /* 0x14 */ widgetreg_t w_pad_2; /* 0x10 */ widgetreg_t w_err_lower_addr; /* 0x1c */ widgetreg_t w_pad_3; /* 0x18 */ widgetreg_t w_control; /* 0x24 */ widgetreg_t w_pad_4; /* 0x20 */ widgetreg_t w_req_timeout; /* 0x2c */ widgetreg_t w_pad_5; /* 0x28 */ widgetreg_t w_intdest_upper_addr; /* 0x34 */ widgetreg_t w_pad_6; /* 0x30 */ widgetreg_t w_intdest_lower_addr; /* 0x3c */ widgetreg_t w_pad_7; /* 0x38 */ widgetreg_t w_err_cmd_word; /* 0x44 */ widgetreg_t w_pad_8; /* 0x40 */ widgetreg_t w_llp_cfg; /* 0x4c */ widgetreg_t w_pad_9; /* 0x48 */ widgetreg_t w_tflush; /* 0x54 */ widgetreg_t w_pad_10; /* 0x50 */ #else widgetreg_t w_pad_0; /* 0x00 */ widgetreg_t w_id; /* 0x04 */ widgetreg_t w_pad_1; /* 0x08 */ widgetreg_t w_status; /* 0x0c */ widgetreg_t w_pad_2; /* 0x10 */ widgetreg_t w_err_upper_addr; /* 0x14 */ widgetreg_t w_pad_3; /* 0x18 */ widgetreg_t w_err_lower_addr; /* 0x1c */ widgetreg_t w_pad_4; /* 0x20 */ widgetreg_t w_control; /* 0x24 */ widgetreg_t w_pad_5; /* 0x28 */ widgetreg_t w_req_timeout; /* 0x2c */ widgetreg_t w_pad_6; /* 0x30 */ widgetreg_t w_intdest_upper_addr; /* 0x34 */ widgetreg_t w_pad_7; /* 0x38 */ widgetreg_t w_intdest_lower_addr; /* 0x3c */ widgetreg_t w_pad_8; /* 0x40 */ widgetreg_t w_err_cmd_word; /* 0x44 */ widgetreg_t w_pad_9; /* 0x48 */ widgetreg_t w_llp_cfg; /* 0x4c */ widgetreg_t w_pad_10; /* 0x50 */ widgetreg_t w_tflush; /* 0x54 */ #endif /* LITTLE_ENDIAN */ } widget_cfg_t; #ifdef LITTLE_ENDIAN typedef struct { unsigned other:8; unsigned bo:1; unsigned error:1; unsigned vbpm:1; unsigned gbr:1; unsigned ds:2; unsigned ct:1; unsigned tnum:5; unsigned pactyp:4; unsigned sidn:4; unsigned didn:4; } w_err_cmd_word_f; #else typedef struct { unsigned didn:4; unsigned sidn:4; unsigned pactyp:4; unsigned tnum:5; unsigned ct:1; unsigned ds:2; unsigned gbr:1; unsigned vbpm:1; unsigned error:1; unsigned bo:1; unsigned other:8; } w_err_cmd_word_f; #endif #ifdef LITTLE_ENDIAN typedef union { w_err_cmd_word_f f; widgetreg_t r; } w_err_cmd_word_u; #else typedef union { widgetreg_t r; w_err_cmd_word_f f; } w_err_cmd_word_u; #endif /* IO widget initialization function */ typedef struct xwidget_info_s *xwidget_info_t; /* * Crosstalk Widget Hardware Identification, as defined in the Crosstalk spec. */ #ifdef LITTLE_ENDIAN typedef struct xwidget_hwid_s { xwidget_mfg_num_t mfg_num; xwidget_rev_num_t rev_num; xwidget_part_num_t part_num; } *xwidget_hwid_t; #else typedef struct xwidget_hwid_s { xwidget_part_num_t part_num; xwidget_rev_num_t rev_num; xwidget_mfg_num_t mfg_num; } *xwidget_hwid_t; #endif /* * Returns 1 if a driver that handles devices described by hwid1 is able * to manage a device with hardwareid hwid2. NOTE: We don't check rev * numbers at all. */ #define XWIDGET_HARDWARE_ID_MATCH(hwid1, hwid2) \ (((hwid1)->part_num == (hwid2)->part_num) && \ (((hwid1)->mfg_num == XWIDGET_MFG_NUM_NONE) || \ ((hwid2)->mfg_num == XWIDGET_MFG_NUM_NONE) || \ ((hwid1)->mfg_num == (hwid2)->mfg_num))) /* Generic crosstalk widget initialization interface */ #if __KERNEL__ extern int xwidget_driver_register(xwidget_part_num_t part_num, xwidget_mfg_num_t mfg_num, char *driver_prefix, unsigned flags); extern void xwidget_driver_unregister(char *driver_prefix); extern int xwidget_register(struct xwidget_hwid_s *hwid, vertex_hdl_t dev, xwidgetnum_t id, vertex_hdl_t master, xwidgetnum_t targetid); extern int xwidget_unregister(vertex_hdl_t); extern void xwidget_reset(vertex_hdl_t xwidget); extern void xwidget_gfx_reset(vertex_hdl_t xwidget); extern char *xwidget_name_get(vertex_hdl_t xwidget); /* Generic crosstalk widget information access interface */ extern xwidget_info_t xwidget_info_chk(vertex_hdl_t widget); extern xwidget_info_t xwidget_info_get(vertex_hdl_t widget); extern void xwidget_info_set(vertex_hdl_t widget, xwidget_info_t widget_info); extern vertex_hdl_t xwidget_info_dev_get(xwidget_info_t xwidget_info); extern xwidgetnum_t xwidget_info_id_get(xwidget_info_t xwidget_info); extern int xwidget_info_type_get(xwidget_info_t xwidget_info); extern int xwidget_info_state_get(xwidget_info_t xwidget_info); extern vertex_hdl_t xwidget_info_master_get(xwidget_info_t xwidget_info); extern xwidgetnum_t xwidget_info_masterid_get(xwidget_info_t xwidget_info); extern xwidget_part_num_t xwidget_info_part_num_get(xwidget_info_t xwidget_info); extern xwidget_rev_num_t xwidget_info_rev_num_get(xwidget_info_t xwidget_info); extern xwidget_mfg_num_t xwidget_info_mfg_num_get(xwidget_info_t xwidget_info); extern xwidgetnum_t hub_widget_id(nasid_t); /* * TBD: DELETE THIS ENTIRE STRUCTURE! Equivalent is now in * xtalk_private.h: xwidget_info_s * This is just here for now because we still have a lot of * junk referencing it. * However, since nobody looks inside ... */ typedef struct v_widget_s { unsigned v_widget_s_is_really_empty; #define v_widget_s_is_really_empty and using this would be a syntax error. } v_widget_t; #endif /* _KERNEL */ #endif /* __ASSEMBLY__ */ #endif /* __ASM_SN_XTALK_XWIDGET_H__ */