1 /*- 2 * Device driver optimized for the Symbios/LSI 53C896/53C895A/53C1010 3 * PCI-SCSI controllers. 4 * 5 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr> 6 * 7 * This driver also supports the following Symbios/LSI PCI-SCSI chips: 8 * 53C810A, 53C825A, 53C860, 53C875, 53C876, 53C885, 53C895, 9 * 53C810, 53C815, 53C825 and the 53C1510D is 53C8XX mode. 10 * 11 * 12 * This driver for FreeBSD-CAM is derived from the Linux sym53c8xx driver. 13 * Copyright (C) 1998-1999 Gerard Roudier 14 * 15 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been 16 * a port of the FreeBSD ncr driver to Linux-1.2.13. 17 * 18 * The original ncr driver has been written for 386bsd and FreeBSD by 19 * Wolfgang Stanglmeier <wolf@cologne.de> 20 * Stefan Esser <se@mi.Uni-Koeln.de> 21 * Copyright (C) 1994 Wolfgang Stanglmeier 22 * 23 * The initialisation code, and part of the code that addresses 24 * FreeBSD-CAM services is based on the aic7xxx driver for FreeBSD-CAM 25 * written by Justin T. Gibbs. 26 * 27 * Other major contributions: 28 * 29 * NVRAM detection and reading. 30 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> 31 * 32 *----------------------------------------------------------------------------- 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. The name of the author may not be used to endorse or promote products 43 * derived from this software without specific prior written permission. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 49 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 */ 57 58 /* $FreeBSD$ */ 59 60 #ifndef SYM_FW_H 61 #define SYM_FW_H 62 /* 63 * Macro used to generate interfaces for script A. 64 */ 65 #define SYM_GEN_FW_A(s) \ 66 SYM_GEN_A(s, start) SYM_GEN_A(s, getjob_begin) \ 67 SYM_GEN_A(s, getjob_end) \ 68 SYM_GEN_A(s, select) SYM_GEN_A(s, wf_sel_done) \ 69 SYM_GEN_A(s, send_ident) \ 70 SYM_GEN_A(s, dispatch) SYM_GEN_A(s, init) \ 71 SYM_GEN_A(s, clrack) SYM_GEN_A(s, complete_error) \ 72 SYM_GEN_A(s, done) SYM_GEN_A(s, done_end) \ 73 SYM_GEN_A(s, idle) SYM_GEN_A(s, ungetjob) \ 74 SYM_GEN_A(s, reselect) \ 75 SYM_GEN_A(s, resel_tag) SYM_GEN_A(s, resel_dsa) \ 76 SYM_GEN_A(s, resel_no_tag) \ 77 SYM_GEN_A(s, data_in) SYM_GEN_A(s, data_in2) \ 78 SYM_GEN_A(s, data_out) SYM_GEN_A(s, data_out2) \ 79 SYM_GEN_A(s, pm0_data) SYM_GEN_A(s, pm1_data) 80 81 /* 82 * Macro used to generate interfaces for script B. 83 */ 84 #define SYM_GEN_FW_B(s) \ 85 SYM_GEN_B(s, no_data) \ 86 SYM_GEN_B(s, sel_for_abort) SYM_GEN_B(s, sel_for_abort_1) \ 87 SYM_GEN_B(s, msg_bad) SYM_GEN_B(s, msg_weird) \ 88 SYM_GEN_B(s, wdtr_resp) SYM_GEN_B(s, send_wdtr) \ 89 SYM_GEN_B(s, sdtr_resp) SYM_GEN_B(s, send_sdtr) \ 90 SYM_GEN_B(s, ppr_resp) SYM_GEN_B(s, send_ppr) \ 91 SYM_GEN_B(s, nego_bad_phase) \ 92 SYM_GEN_B(s, ident_break) SYM_GEN_B(s, ident_break_atn) \ 93 SYM_GEN_B(s, sdata_in) SYM_GEN_B(s, resel_bad_lun) \ 94 SYM_GEN_B(s, bad_i_t_l) SYM_GEN_B(s, bad_i_t_l_q) \ 95 SYM_GEN_B(s, wsr_ma_helper) \ 96 SYM_GEN_B(s, snooptest) SYM_GEN_B(s, snoopend) 97 98 /* 99 * Generates structure interface that contains 100 * offsets within script A and script B. 101 */ 102 #define SYM_GEN_A(s, label) s label; 103 #define SYM_GEN_B(s, label) s label; 104 struct sym_fwa_ofs { 105 SYM_GEN_FW_A(u_short) 106 }; 107 struct sym_fwb_ofs { 108 SYM_GEN_FW_B(u_short) 109 SYM_GEN_B(u_short, start64) 110 SYM_GEN_B(u_short, pm_handle) 111 }; 112 113 /* 114 * Generates structure interface that contains 115 * bus addresses within script A and script B. 116 */ 117 struct sym_fwa_ba { 118 SYM_GEN_FW_A(u32) 119 }; 120 struct sym_fwb_ba { 121 SYM_GEN_FW_B(u32) 122 SYM_GEN_B(u32, start64) 123 SYM_GEN_B(u32, pm_handle) 124 }; 125 #undef SYM_GEN_A 126 #undef SYM_GEN_B 127 128 /* 129 * Let cc know about the name of the controller data structure. 130 * We need this for function prototype declarations just below. 131 */ 132 struct sym_hcb; 133 134 /* 135 * Generic structure that defines a firmware. 136 */ 137 struct sym_fw { 138 const char *name; /* Name we want to print out */ 139 const u32 *a_base;/* Pointer to script A template */ 140 int a_size; /* Size of script A */ 141 const struct sym_fwa_ofs 142 *a_ofs; /* Useful offsets in script A */ 143 const u32 *b_base;/* Pointer to script B template */ 144 int b_size; /* Size of script B */ 145 const struct sym_fwb_ofs 146 *b_ofs; /* Useful offsets in script B */ 147 /* Setup and patch methods for this firmware */ 148 void (*setup)(struct sym_hcb *, const struct sym_fw *); 149 void (*patch)(struct sym_hcb *); 150 }; 151 152 /* 153 * Macro used to declare a firmware. 154 */ 155 #define SYM_FW_ENTRY(fw, name) \ 156 { \ 157 name, \ 158 (const u32 *) &fw##a_scr, sizeof(fw##a_scr), &fw##a_ofs,\ 159 (const u32 *) &fw##b_scr, sizeof(fw##b_scr), &fw##b_ofs,\ 160 fw##_setup, fw##_patch \ 161 } 162 163 /* 164 * Macros used from the C code to get useful 165 * SCRIPTS bus addresses. 166 */ 167 #define SCRIPTA_BA(np, label) (np->fwa_bas.label) 168 #define SCRIPTB_BA(np, label) (np->fwb_bas.label) 169 #define SCRIPTB0_BA(np,label) \ 170 (np->scriptb0_ba + (np->fwb_bas.label - np->scriptb_ba)) 171 172 /* 173 * Macros used by scripts definitions. 174 * 175 * HADDR_1 generates a reference to a field of the controller data. 176 * HADDR_2 generates a reference to a field of the controller data 177 * with offset. 178 * RADDR_1 generates a reference to a script processor register. 179 * RADDR_2 generates a reference to a script processor register 180 * with offset. 181 * PADDR_A generates a reference to another part of script A. 182 * PADDR_B generates a reference to another part of script B. 183 * 184 * SYM_GEN_PADDR_A and SYM_GEN_PADDR_B are used to define respectively 185 * the PADDR_A and PADDR_B macros for each firmware by setting argument 186 * `s' to the name of the corresponding structure. 187 * 188 * SCR_DATA_ZERO is used to allocate a DWORD of data in scripts areas. 189 */ 190 191 #define RELOC_SOFTC 0x40000000 192 #define RELOC_LABEL_A 0x50000000 193 #define RELOC_REGISTER 0x60000000 194 #define RELOC_LABEL_B 0x80000000 195 #define RELOC_MASK 0xf0000000 196 197 #define HADDR_1(label) (RELOC_SOFTC | offsetof(struct sym_hcb, label)) 198 #define HADDR_2(label,ofs) (RELOC_SOFTC | \ 199 (offsetof(struct sym_hcb, label)+(ofs))) 200 #define RADDR_1(label) (RELOC_REGISTER | REG(label)) 201 #define RADDR_2(label,ofs) (RELOC_REGISTER | ((REG(label))+(ofs))) 202 203 #define SYM_GEN_PADDR_A(s, label) (RELOC_LABEL_A | offsetof(s, label)) 204 #define SYM_GEN_PADDR_B(s, label) (RELOC_LABEL_B | offsetof(s, label)) 205 206 #define SCR_DATA_ZERO 0xf00ff00f 207 208 #endif /* SYM_FW_H */ 209