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/*
* Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family
* of PCI-SCSI IO processors.
*
* Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
*
* This driver is derived from the Linux sym53c8xx driver.
* Copyright (C) 1998-2000 Gerard Roudier
*
* The sym53c8xx driver is derived from the ncr53c8xx driver that had been
* a port of the FreeBSD ncr driver to Linux-1.2.13.
*
* The original ncr driver has been written for 386bsd and FreeBSD by
* Wolfgang Stanglmeier <wolf@cologne.de>
* Stefan Esser <se@mi.Uni-Koeln.de>
* Copyright (C) 1994 Wolfgang Stanglmeier
*
* Other major contributions:
*
* NVRAM detection and reading.
* Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk>
*
*-----------------------------------------------------------------------------
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SYM_FW_H
#define SYM_FW_H
/*
* Macro used to generate interfaces for script A.
*/
#define SYM_GEN_FW_A(s) \
SYM_GEN_A(s, start) SYM_GEN_A(s, getjob_begin) \
SYM_GEN_A(s, getjob_end) \
SYM_GEN_A(s, select) SYM_GEN_A(s, wf_sel_done) \
SYM_GEN_A(s, send_ident) \
SYM_GEN_A(s, dispatch) SYM_GEN_A(s, init) \
SYM_GEN_A(s, clrack) SYM_GEN_A(s, complete_error) \
SYM_GEN_A(s, done) SYM_GEN_A(s, done_end) \
SYM_GEN_A(s, idle) SYM_GEN_A(s, ungetjob) \
SYM_GEN_A(s, reselect) \
SYM_GEN_A(s, resel_tag) SYM_GEN_A(s, resel_dsa) \
SYM_GEN_A(s, resel_no_tag) \
SYM_GEN_A(s, data_in) SYM_GEN_A(s, data_in2) \
SYM_GEN_A(s, data_out) SYM_GEN_A(s, data_out2) \
SYM_GEN_A(s, pm0_data) SYM_GEN_A(s, pm1_data)
/*
* Macro used to generate interfaces for script B.
*/
#define SYM_GEN_FW_B(s) \
SYM_GEN_B(s, no_data) \
SYM_GEN_B(s, sel_for_abort) SYM_GEN_B(s, sel_for_abort_1) \
SYM_GEN_B(s, msg_bad) SYM_GEN_B(s, msg_weird) \
SYM_GEN_B(s, wdtr_resp) SYM_GEN_B(s, send_wdtr) \
SYM_GEN_B(s, sdtr_resp) SYM_GEN_B(s, send_sdtr) \
SYM_GEN_B(s, ppr_resp) SYM_GEN_B(s, send_ppr) \
SYM_GEN_B(s, nego_bad_phase) \
SYM_GEN_B(s, ident_break) SYM_GEN_B(s, ident_break_atn) \
SYM_GEN_B(s, sdata_in) SYM_GEN_B(s, resel_bad_lun) \
SYM_GEN_B(s, bad_i_t_l) SYM_GEN_B(s, bad_i_t_l_q) \
SYM_GEN_B(s, wsr_ma_helper)
/*
* Macro used to generate interfaces for script Z.
*/
#define SYM_GEN_FW_Z(s) \
SYM_GEN_Z(s, snooptest) SYM_GEN_Z(s, snoopend)
/*
* Generates structure interface that contains
* offsets within script A, B and Z.
*/
#define SYM_GEN_A(s, label) s label;
#define SYM_GEN_B(s, label) s label;
#define SYM_GEN_Z(s, label) s label;
struct sym_fwa_ofs {
SYM_GEN_FW_A(u_short)
};
struct sym_fwb_ofs {
SYM_GEN_FW_B(u_short)
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
SYM_GEN_B(u_short, data_io)
#endif
SYM_GEN_B(u_short, start64)
SYM_GEN_B(u_short, pm_handle)
};
struct sym_fwz_ofs {
SYM_GEN_FW_Z(u_short)
};
/*
* Generates structure interface that contains
* bus addresses within script A, B and Z.
*/
struct sym_fwa_ba {
SYM_GEN_FW_A(u32)
};
struct sym_fwb_ba {
SYM_GEN_FW_B(u32)
#ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
SYM_GEN_B(u32, data_io)
#endif
SYM_GEN_B(u32, start64);
SYM_GEN_B(u32, pm_handle);
};
struct sym_fwz_ba {
SYM_GEN_FW_Z(u32)
};
#undef SYM_GEN_A
#undef SYM_GEN_B
#undef SYM_GEN_Z
/*
* Let cc know about the name of the controller data structure.
* We need this for function prototype declarations just below.
*/
struct sym_hcb;
/*
* Generic structure that defines a firmware.
*/
struct sym_fw {
char *name; /* Name we want to print out */
u32 *a_base; /* Pointer to script A template */
int a_size; /* Size of script A */
struct sym_fwa_ofs
*a_ofs; /* Useful offsets in script A */
u32 *b_base; /* Pointer to script B template */
int b_size; /* Size of script B */
struct sym_fwb_ofs
*b_ofs; /* Useful offsets in script B */
u32 *z_base; /* Pointer to script Z template */
int z_size; /* Size of script Z */
struct sym_fwz_ofs
*z_ofs; /* Useful offsets in script Z */
/* Setup and patch methods for this firmware */
void (*setup)(struct sym_hcb *, struct sym_fw *);
void (*patch)(struct sym_hcb *);
};
/*
* Macro used to declare a firmware.
*/
#define SYM_FW_ENTRY(fw, name) \
{ \
name, \
(u32 *) &fw##a_scr, sizeof(fw##a_scr), &fw##a_ofs, \
(u32 *) &fw##b_scr, sizeof(fw##b_scr), &fw##b_ofs, \
(u32 *) &fw##z_scr, sizeof(fw##z_scr), &fw##z_ofs, \
fw##_setup, fw##_patch \
}
/*
* Macros used from the C code to get useful
* SCRIPTS bus addresses.
*/
#define SCRIPTA_BA(np, label) (np->fwa_bas.label)
#define SCRIPTB_BA(np, label) (np->fwb_bas.label)
#define SCRIPTZ_BA(np, label) (np->fwz_bas.label)
/*
* Macros used by scripts definitions.
*
* HADDR_1 generates a reference to a field of the controller data.
* HADDR_2 generates a reference to a field of the controller data
* with offset.
* RADDR_1 generates a reference to a script processor register.
* RADDR_2 generates a reference to a script processor register
* with offset.
* PADDR_A generates a reference to another part of script A.
* PADDR_B generates a reference to another part of script B.
*
* SYM_GEN_PADDR_A and SYM_GEN_PADDR_B are used to define respectively
* the PADDR_A and PADDR_B macros for each firmware by setting argument
* `s' to the name of the corresponding structure.
*
* SCR_DATA_ZERO is used to allocate a DWORD of data in scripts areas.
*/
#define RELOC_SOFTC 0x40000000
#define RELOC_LABEL_A 0x50000000
#define RELOC_REGISTER 0x60000000
#define RELOC_LABEL_B 0x80000000
#define RELOC_MASK 0xf0000000
#define HADDR_1(label) (RELOC_SOFTC | offsetof(struct sym_hcb, label))
#define HADDR_2(label,ofs) (RELOC_SOFTC | \
(offsetof(struct sym_hcb, label)+(ofs)))
#define RADDR_1(label) (RELOC_REGISTER | REG(label))
#define RADDR_2(label,ofs) (RELOC_REGISTER | ((REG(label))+(ofs)))
#define SYM_GEN_PADDR_A(s, label) (RELOC_LABEL_A | offsetof(s, label))
#define SYM_GEN_PADDR_B(s, label) (RELOC_LABEL_B | offsetof(s, label))
#define SCR_DATA_ZERO 0xf00ff00f
#endif /* SYM_FW_H */
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