Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
Uwe Hermann | c70e9fc | 2010-02-15 23:10:19 +0000 | [diff] [blame] | 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Patrick Georgi | b890a12 | 2015-03-26 15:17:45 +0100 | [diff] [blame] | 17 | * Foundation, Inc. |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 20 | /* How much nesting do we support? */ |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 21 | #define ACPIGEN_LENSTACK_SIZE 10 |
| 22 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 23 | /* |
| 24 | * If you need to change this, change acpigen_write_f and |
Vladimir Serbinenko | 8104da7 | 2014-11-09 03:33:51 +0100 | [diff] [blame] | 25 | * acpigen_pop_len |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 26 | */ |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 27 | |
| 28 | #define ACPIGEN_MAXLEN 0xfff |
| 29 | |
| 30 | #include <string.h> |
| 31 | #include <arch/acpigen.h> |
| 32 | #include <console/console.h> |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 33 | #include <device/device.h> |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 34 | |
| 35 | static char *gencurrent; |
| 36 | |
| 37 | char *len_stack[ACPIGEN_LENSTACK_SIZE]; |
| 38 | int ltop = 0; |
| 39 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 40 | void acpigen_write_len_f(void) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 41 | { |
| 42 | ASSERT(ltop < (ACPIGEN_LENSTACK_SIZE - 1)) |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 43 | len_stack[ltop++] = gencurrent; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 44 | acpigen_emit_byte(0); |
| 45 | acpigen_emit_byte(0); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Vladimir Serbinenko | 430363a | 2014-11-02 21:51:22 +0100 | [diff] [blame] | 48 | void acpigen_pop_len(void) |
| 49 | { |
| 50 | int len; |
| 51 | ASSERT(ltop > 0) |
| 52 | char *p = len_stack[--ltop]; |
| 53 | len = gencurrent - p; |
| 54 | ASSERT(len <= ACPIGEN_MAXLEN) |
| 55 | /* generate store length for 0xfff max */ |
| 56 | p[0] = (0x40 | (len & 0xf)); |
| 57 | p[1] = (len >> 4 & 0xff); |
| 58 | |
| 59 | } |
| 60 | |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 61 | void acpigen_set_current(char *curr) |
| 62 | { |
| 63 | gencurrent = curr; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 64 | } |
| 65 | |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 66 | char *acpigen_get_current(void) |
| 67 | { |
| 68 | return gencurrent; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 69 | } |
| 70 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 71 | void acpigen_emit_byte(unsigned char b) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 72 | { |
| 73 | (*gencurrent++) = b; |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 74 | } |
| 75 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 76 | void acpigen_write_package(int nr_el) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 77 | { |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 78 | /* package op */ |
| 79 | acpigen_emit_byte(0x12); |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 80 | acpigen_write_len_f(); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 81 | acpigen_emit_byte(nr_el); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 82 | } |
| 83 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 84 | void acpigen_write_byte(unsigned int data) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 85 | { |
| 86 | /* byte op */ |
| 87 | acpigen_emit_byte(0xa); |
| 88 | acpigen_emit_byte(data & 0xff); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 89 | } |
| 90 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 91 | void acpigen_write_dword(unsigned int data) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 92 | { |
| 93 | /* dword op */ |
| 94 | acpigen_emit_byte(0xc); |
| 95 | acpigen_emit_byte(data & 0xff); |
| 96 | acpigen_emit_byte((data >> 8) & 0xff); |
| 97 | acpigen_emit_byte((data >> 16) & 0xff); |
| 98 | acpigen_emit_byte((data >> 24) & 0xff); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 99 | } |
| 100 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 101 | void acpigen_write_qword(uint64_t data) |
Carl-Daniel Hailfinger | d58671c | 2009-02-17 21:38:51 +0000 | [diff] [blame] | 102 | { |
| 103 | /* qword op */ |
| 104 | acpigen_emit_byte(0xe); |
| 105 | acpigen_emit_byte(data & 0xff); |
| 106 | acpigen_emit_byte((data >> 8) & 0xff); |
| 107 | acpigen_emit_byte((data >> 16) & 0xff); |
| 108 | acpigen_emit_byte((data >> 24) & 0xff); |
| 109 | acpigen_emit_byte((data >> 32) & 0xff); |
| 110 | acpigen_emit_byte((data >> 40) & 0xff); |
| 111 | acpigen_emit_byte((data >> 48) & 0xff); |
| 112 | acpigen_emit_byte((data >> 56) & 0xff); |
Carl-Daniel Hailfinger | d58671c | 2009-02-17 21:38:51 +0000 | [diff] [blame] | 113 | } |
| 114 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 115 | void acpigen_write_name_byte(const char *name, uint8_t val) |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 116 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 117 | acpigen_write_name(name); |
| 118 | acpigen_write_byte(val); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 119 | } |
| 120 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 121 | void acpigen_write_name_dword(const char *name, uint32_t val) |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 122 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 123 | acpigen_write_name(name); |
| 124 | acpigen_write_dword(val); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 125 | } |
| 126 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 127 | void acpigen_write_name_qword(const char *name, uint64_t val) |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 128 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 129 | acpigen_write_name(name); |
| 130 | acpigen_write_qword(val); |
Carl-Daniel Hailfinger | d58671c | 2009-02-17 21:38:51 +0000 | [diff] [blame] | 131 | } |
| 132 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 133 | void acpigen_emit_stream(const char *data, int size) |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 134 | { |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 135 | int i; |
| 136 | for (i = 0; i < size; i++) { |
| 137 | acpigen_emit_byte(data[i]); |
| 138 | } |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 139 | } |
| 140 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 141 | /* |
| 142 | * The naming conventions for ACPI namespace names are a bit tricky as |
| 143 | * each element has to be 4 chars wide (»All names are a fixed 32 bits.«) |
| 144 | * and »By convention, when an ASL compiler pads a name shorter than 4 |
| 145 | * characters, it is done so with trailing underscores (‘_’).«. |
| 146 | * |
| 147 | * Check sections 5.3, 18.2.2 and 18.4 of ACPI spec 3.0 for details. |
| 148 | */ |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 149 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 150 | static void acpigen_emit_simple_namestring(const char *name) { |
| 151 | int i; |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 152 | char ud[] = "____"; |
| 153 | for (i = 0; i < 4; i++) { |
| 154 | if ((name[i] == '\0') || (name[i] == '.')) { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 155 | acpigen_emit_stream(ud, 4 - i); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 156 | break; |
| 157 | } else { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 158 | acpigen_emit_byte(name[i]); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 159 | } |
| 160 | } |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 161 | } |
| 162 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 163 | static void acpigen_emit_double_namestring(const char *name, int dotpos) { |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 164 | /* mark dual name prefix */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 165 | acpigen_emit_byte(0x2e); |
| 166 | acpigen_emit_simple_namestring(name); |
| 167 | acpigen_emit_simple_namestring(&name[dotpos + 1]); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 168 | } |
| 169 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 170 | static void acpigen_emit_multi_namestring(const char *name) { |
| 171 | int count = 0; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 172 | unsigned char *pathlen; |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 173 | /* mark multi name prefix */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 174 | acpigen_emit_byte(0x2f); |
| 175 | acpigen_emit_byte(0x0); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 176 | pathlen = ((unsigned char *) acpigen_get_current()) - 1; |
| 177 | |
| 178 | while (name[0] != '\0') { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 179 | acpigen_emit_simple_namestring(name); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 180 | /* find end or next entity */ |
| 181 | while ((name[0] != '.') && (name[0] != '\0')) |
| 182 | name++; |
| 183 | /* forward to next */ |
| 184 | if (name[0] == '.') |
| 185 | name++; |
| 186 | count++; |
| 187 | } |
| 188 | |
| 189 | pathlen[0] = count; |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 193 | void acpigen_emit_namestring(const char *namepath) { |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 194 | int dotcount = 0, i; |
Myles Watson | 3fe6b70 | 2009-10-09 20:13:43 +0000 | [diff] [blame] | 195 | int dotpos = 0; |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 196 | |
Ronald G. Minnich | be738eb | 2013-03-07 11:05:28 -0600 | [diff] [blame] | 197 | /* We can start with a '\'. */ |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 198 | if (namepath[0] == '\\') { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 199 | acpigen_emit_byte('\\'); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 200 | namepath++; |
| 201 | } |
| 202 | |
Ronald G. Minnich | be738eb | 2013-03-07 11:05:28 -0600 | [diff] [blame] | 203 | /* And there can be any number of '^' */ |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 204 | while (namepath[0] == '^') { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 205 | acpigen_emit_byte('^'); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 206 | namepath++; |
| 207 | } |
| 208 | |
Vladimir Serbinenko | d942ed9 | 2014-08-30 20:44:37 +0200 | [diff] [blame] | 209 | /* If we have only \\ or only ^...^. Then we need to put a null |
| 210 | name (0x00). */ |
| 211 | if(namepath[0] == '\0') { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 212 | acpigen_emit_byte(0x00); |
| 213 | return; |
Vladimir Serbinenko | d942ed9 | 2014-08-30 20:44:37 +0200 | [diff] [blame] | 214 | } |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 215 | |
| 216 | i = 0; |
| 217 | while (namepath[i] != '\0') { |
| 218 | if (namepath[i] == '.') { |
| 219 | dotcount++; |
| 220 | dotpos = i; |
| 221 | } |
| 222 | i++; |
| 223 | } |
| 224 | |
| 225 | if (dotcount == 0) { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 226 | acpigen_emit_simple_namestring(namepath); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 227 | } else if (dotcount == 1) { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 228 | acpigen_emit_double_namestring(namepath, dotpos); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 229 | } else { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 230 | acpigen_emit_multi_namestring(namepath); |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 231 | } |
Rudolf Marek | 3310d75 | 2009-06-21 20:26:13 +0000 | [diff] [blame] | 232 | } |
| 233 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 234 | void acpigen_write_name(const char *name) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 235 | { |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 236 | /* name op */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 237 | acpigen_emit_byte(0x8); |
| 238 | acpigen_emit_namestring(name); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 239 | } |
| 240 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 241 | void acpigen_write_scope(const char *name) |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 242 | { |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 243 | /* scope op */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 244 | acpigen_emit_byte(0x10); |
| 245 | acpigen_write_len_f(); |
| 246 | acpigen_emit_namestring(name); |
Rudolf Marek | 293b5f5 | 2009-02-01 18:35:15 +0000 | [diff] [blame] | 247 | } |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 248 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 249 | void acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len) |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 250 | { |
| 251 | /* |
| 252 | Processor (\_PR.CPUcpuindex, cpuindex, pblock_addr, pblock_len) |
| 253 | { |
| 254 | */ |
| 255 | char pscope[16]; |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 256 | /* processor op */ |
| 257 | acpigen_emit_byte(0x5b); |
| 258 | acpigen_emit_byte(0x83); |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 259 | acpigen_write_len_f(); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 260 | |
Vladimir Serbinenko | a37383d | 2013-11-26 02:41:26 +0100 | [diff] [blame] | 261 | snprintf(pscope, sizeof (pscope), |
Timothy Pearson | 033bb4b | 2015-02-10 22:21:39 -0600 | [diff] [blame] | 262 | "\\_PR.CP%02d", (unsigned int) cpuindex); |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 263 | acpigen_emit_namestring(pscope); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 264 | acpigen_emit_byte(cpuindex); |
| 265 | acpigen_emit_byte(pblock_addr & 0xff); |
| 266 | acpigen_emit_byte((pblock_addr >> 8) & 0xff); |
| 267 | acpigen_emit_byte((pblock_addr >> 16) & 0xff); |
| 268 | acpigen_emit_byte((pblock_addr >> 24) & 0xff); |
| 269 | acpigen_emit_byte(pblock_len); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 270 | } |
| 271 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 272 | void acpigen_write_empty_PCT(void) |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 273 | { |
| 274 | /* |
| 275 | Name (_PCT, Package (0x02) |
| 276 | { |
| 277 | ResourceTemplate () |
| 278 | { |
| 279 | Register (FFixedHW, |
| 280 | 0x00, // Bit Width |
| 281 | 0x00, // Bit Offset |
| 282 | 0x0000000000000000, // Address |
| 283 | ,) |
| 284 | }, |
| 285 | |
| 286 | ResourceTemplate () |
| 287 | { |
| 288 | Register (FFixedHW, |
| 289 | 0x00, // Bit Width |
| 290 | 0x00, // Bit Offset |
| 291 | 0x0000000000000000, // Address |
| 292 | ,) |
| 293 | } |
| 294 | }) |
| 295 | */ |
| 296 | static char stream[] = { |
| 297 | 0x08, 0x5F, 0x50, 0x43, 0x54, 0x12, 0x2C, /* 00000030 "0._PCT.," */ |
| 298 | 0x02, 0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, /* 00000038 "........" */ |
| 299 | 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000040 "........" */ |
| 300 | 0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14, /* 00000048 "....y..." */ |
| 301 | 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, 0x00, 0x00, /* 00000050 "........" */ |
| 302 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000058 "........" */ |
| 303 | 0x00, 0x79, 0x00 |
| 304 | }; |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 305 | acpigen_emit_stream(stream, ARRAY_SIZE(stream)); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 306 | } |
| 307 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 308 | void acpigen_write_empty_PTC(void) |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 309 | { |
| 310 | /* |
| 311 | Name (_PTC, Package (0x02) |
| 312 | { |
| 313 | ResourceTemplate () |
| 314 | { |
| 315 | Register (FFixedHW, |
| 316 | 0x00, // Bit Width |
| 317 | 0x00, // Bit Offset |
| 318 | 0x0000000000000000, // Address |
| 319 | ,) |
| 320 | }, |
| 321 | |
| 322 | ResourceTemplate () |
| 323 | { |
| 324 | Register (FFixedHW, |
| 325 | 0x00, // Bit Width |
| 326 | 0x00, // Bit Offset |
| 327 | 0x0000000000000000, // Address |
| 328 | ,) |
| 329 | } |
| 330 | }) |
| 331 | */ |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 332 | acpi_addr_t addr = { |
| 333 | .space_id = ACPI_ADDRESS_SPACE_FIXED, |
| 334 | .bit_width = 0, |
| 335 | .bit_offset = 0, |
zbao | ee8a9f6c | 2012-05-29 14:59:38 +0800 | [diff] [blame] | 336 | { |
| 337 | .resv = 0 |
| 338 | }, |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 339 | .addrl = 0, |
| 340 | .addrh = 0, |
| 341 | }; |
| 342 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 343 | acpigen_write_name("_PTC"); |
| 344 | acpigen_write_package(2); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 345 | |
| 346 | /* ControlRegister */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 347 | acpigen_write_resourcetemplate_header(); |
| 348 | acpigen_write_register(&addr); |
| 349 | acpigen_write_resourcetemplate_footer(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 350 | |
| 351 | /* StatusRegister */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 352 | acpigen_write_resourcetemplate_header(); |
| 353 | acpigen_write_register(&addr); |
| 354 | acpigen_write_resourcetemplate_footer(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 355 | |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 356 | acpigen_pop_len(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 357 | } |
| 358 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 359 | void acpigen_write_method(const char *name, int nargs) |
Vladimir Serbinenko | 80fb8ed | 2014-11-05 10:28:28 +0100 | [diff] [blame] | 360 | { |
Vladimir Serbinenko | 80fb8ed | 2014-11-05 10:28:28 +0100 | [diff] [blame] | 361 | /* method op */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 362 | acpigen_emit_byte(0x14); |
| 363 | acpigen_write_len_f(); |
| 364 | acpigen_emit_namestring(name); |
| 365 | acpigen_emit_byte(nargs & 7); |
Vladimir Serbinenko | 80fb8ed | 2014-11-05 10:28:28 +0100 | [diff] [blame] | 366 | } |
| 367 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 368 | void acpigen_write_device(const char *name) |
Vladimir Serbinenko | 663be6e | 2014-11-05 21:29:45 +0100 | [diff] [blame] | 369 | { |
Vladimir Serbinenko | 663be6e | 2014-11-05 21:29:45 +0100 | [diff] [blame] | 370 | /* method op */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 371 | acpigen_emit_byte(0x5b); |
| 372 | acpigen_emit_byte(0x82); |
| 373 | acpigen_write_len_f(); |
| 374 | acpigen_emit_namestring(name); |
Vladimir Serbinenko | 663be6e | 2014-11-05 21:29:45 +0100 | [diff] [blame] | 375 | } |
| 376 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 377 | /* |
| 378 | * Generates a func with max supported P-states. |
| 379 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 380 | void acpigen_write_PPC(u8 nr) |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 381 | { |
| 382 | /* |
| 383 | Method (_PPC, 0, NotSerialized) |
| 384 | { |
| 385 | Return (nr) |
| 386 | } |
| 387 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 388 | acpigen_write_method("_PPC", 0); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 389 | /* return */ |
| 390 | acpigen_emit_byte(0xa4); |
| 391 | /* arg */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 392 | acpigen_write_byte(nr); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 393 | acpigen_pop_len(); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 394 | } |
| 395 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 396 | /* |
| 397 | * Generates a func with max supported P-states saved |
| 398 | * in the variable PPCM. |
| 399 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 400 | void acpigen_write_PPC_NVS(void) |
Duncan Laurie | 0eefa00 | 2012-07-16 12:11:53 -0700 | [diff] [blame] | 401 | { |
| 402 | /* |
| 403 | Method (_PPC, 0, NotSerialized) |
| 404 | { |
| 405 | Return (PPCM) |
| 406 | } |
| 407 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 408 | acpigen_write_method("_PPC", 0); |
Duncan Laurie | 0eefa00 | 2012-07-16 12:11:53 -0700 | [diff] [blame] | 409 | /* return */ |
| 410 | acpigen_emit_byte(0xa4); |
| 411 | /* arg */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 412 | acpigen_emit_namestring("PPCM"); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 413 | acpigen_pop_len(); |
Duncan Laurie | 0eefa00 | 2012-07-16 12:11:53 -0700 | [diff] [blame] | 414 | } |
| 415 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 416 | void acpigen_write_TPC(const char *gnvs_tpc_limit) |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 417 | { |
| 418 | /* |
| 419 | // Sample _TPC method |
| 420 | Method (_TPC, 0, NotSerialized) |
| 421 | { |
| 422 | Return (\TLVL) |
| 423 | } |
| 424 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 425 | acpigen_write_method("_TPC", 0); |
| 426 | acpigen_emit_byte(0xa4); /* ReturnOp */ |
| 427 | acpigen_emit_namestring(gnvs_tpc_limit); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 428 | acpigen_pop_len(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 429 | } |
| 430 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 431 | void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, |
Stefan Reinauer | f96c2d9 | 2009-04-22 16:23:47 +0000 | [diff] [blame] | 432 | u32 busmLat, u32 control, u32 status) |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 433 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 434 | acpigen_write_package(6); |
| 435 | acpigen_write_dword(coreFreq); |
| 436 | acpigen_write_dword(power); |
| 437 | acpigen_write_dword(transLat); |
| 438 | acpigen_write_dword(busmLat); |
| 439 | acpigen_write_dword(control); |
| 440 | acpigen_write_dword(status); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 441 | acpigen_pop_len(); |
Stefan Reinauer | d4bacf9 | 2012-05-02 16:38:47 -0700 | [diff] [blame] | 442 | |
| 443 | printk(BIOS_DEBUG, "PSS: %uMHz power %u control 0x%x status 0x%x\n", |
| 444 | coreFreq, power, control, status); |
Rudolf Marek | f997b55 | 2009-02-14 15:40:23 +0000 | [diff] [blame] | 445 | } |
Patrick Georgi | df444bf | 2009-04-21 20:34:36 +0000 | [diff] [blame] | 446 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 447 | void acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) |
Patrick Georgi | df444bf | 2009-04-21 20:34:36 +0000 | [diff] [blame] | 448 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 449 | acpigen_write_name("_PSD"); |
| 450 | acpigen_write_package(1); |
| 451 | acpigen_write_package(5); |
| 452 | acpigen_write_byte(5); // 5 values |
| 453 | acpigen_write_byte(0); // revision 0 |
| 454 | acpigen_write_dword(domain); |
| 455 | acpigen_write_dword(coordtype); |
| 456 | acpigen_write_dword(numprocs); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 457 | acpigen_pop_len(); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 458 | acpigen_pop_len(); |
Patrick Georgi | df444bf | 2009-04-21 20:34:36 +0000 | [diff] [blame] | 459 | } |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 460 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 461 | void acpigen_write_CST_package_entry(acpi_cstate_t *cstate) |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 462 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 463 | acpigen_write_package(4); |
| 464 | acpigen_write_resourcetemplate_header(); |
Stefan Reinauer | 4cc8c70 | 2012-04-27 21:34:16 +0200 | [diff] [blame] | 465 | acpigen_write_register(&cstate->resource); |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 466 | acpigen_write_resourcetemplate_footer(); |
| 467 | acpigen_write_dword(cstate->ctype); |
| 468 | acpigen_write_dword(cstate->latency); |
| 469 | acpigen_write_dword(cstate->power); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 470 | acpigen_pop_len(); |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 471 | } |
| 472 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 473 | void acpigen_write_CST_package(acpi_cstate_t *cstate, int nentries) |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 474 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 475 | int i; |
| 476 | acpigen_write_name("_CST"); |
| 477 | acpigen_write_package(nentries+1); |
| 478 | acpigen_write_dword(nentries); |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 479 | |
| 480 | for (i = 0; i < nentries; i++) |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 481 | acpigen_write_CST_package_entry(cstate + i); |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 482 | |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 483 | acpigen_pop_len(); |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 484 | } |
| 485 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 486 | void acpigen_write_TSS_package(int entries, acpi_tstate_t *tstate_list) |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 487 | { |
| 488 | /* |
| 489 | Sample _TSS package with 100% and 50% duty cycles |
| 490 | Name (_TSS, Package (0x02) |
| 491 | { |
| 492 | Package(){100, 1000, 0, 0x00, 0) |
| 493 | Package(){50, 520, 0, 0x18, 0) |
| 494 | }) |
| 495 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 496 | int i; |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 497 | acpi_tstate_t *tstate = tstate_list; |
| 498 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 499 | acpigen_write_name("_TSS"); |
| 500 | acpigen_write_package(entries); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 501 | |
| 502 | for (i = 0; i < entries; i++) { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 503 | acpigen_write_package(5); |
| 504 | acpigen_write_dword(tstate->percent); |
| 505 | acpigen_write_dword(tstate->power); |
| 506 | acpigen_write_dword(tstate->latency); |
| 507 | acpigen_write_dword(tstate->control); |
| 508 | acpigen_write_dword(tstate->status); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 509 | acpigen_pop_len(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 510 | tstate++; |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 511 | } |
| 512 | |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 513 | acpigen_pop_len(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 514 | } |
| 515 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 516 | void acpigen_write_TSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 517 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 518 | acpigen_write_name("_TSD"); |
| 519 | acpigen_write_package(1); |
| 520 | acpigen_write_package(5); |
| 521 | acpigen_write_byte(5); // 5 values |
| 522 | acpigen_write_byte(0); // revision 0 |
| 523 | acpigen_write_dword(domain); |
| 524 | acpigen_write_dword(coordtype); |
| 525 | acpigen_write_dword(numprocs); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 526 | acpigen_pop_len(); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 527 | acpigen_pop_len(); |
Stefan Reinauer | 39205c6 | 2012-04-27 21:49:28 +0200 | [diff] [blame] | 528 | } |
| 529 | |
| 530 | |
| 531 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 532 | void acpigen_write_mem32fixed(int readwrite, u32 base, u32 size) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 533 | { |
| 534 | /* |
| 535 | * acpi 4.0 section 6.4.3.4: 32-Bit Fixed Memory Range Descriptor |
| 536 | * Byte 0: |
| 537 | * Bit7 : 1 => big item |
| 538 | * Bit6-0: 0000110 (0x6) => 32-bit fixed memory |
| 539 | */ |
| 540 | acpigen_emit_byte(0x86); |
| 541 | /* Byte 1+2: length (0x0009) */ |
| 542 | acpigen_emit_byte(0x09); |
| 543 | acpigen_emit_byte(0x00); |
| 544 | /* bit1-7 are ignored */ |
| 545 | acpigen_emit_byte(readwrite ? 0x01 : 0x00); |
| 546 | acpigen_emit_byte(base & 0xff); |
| 547 | acpigen_emit_byte((base >> 8) & 0xff); |
| 548 | acpigen_emit_byte((base >> 16) & 0xff); |
| 549 | acpigen_emit_byte((base >> 24) & 0xff); |
| 550 | acpigen_emit_byte(size & 0xff); |
| 551 | acpigen_emit_byte((size >> 8) & 0xff); |
| 552 | acpigen_emit_byte((size >> 16) & 0xff); |
| 553 | acpigen_emit_byte((size >> 24) & 0xff); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 554 | } |
| 555 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 556 | void acpigen_write_register(acpi_addr_t *addr) |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 557 | { |
Stefan Reinauer | 4cc8c70 | 2012-04-27 21:34:16 +0200 | [diff] [blame] | 558 | acpigen_emit_byte(0x82); /* Register Descriptor */ |
| 559 | acpigen_emit_byte(0x0c); /* Register Length 7:0 */ |
| 560 | acpigen_emit_byte(0x00); /* Register Length 15:8 */ |
| 561 | acpigen_emit_byte(addr->space_id); /* Address Space ID */ |
| 562 | acpigen_emit_byte(addr->bit_width); /* Register Bit Width */ |
| 563 | acpigen_emit_byte(addr->bit_offset); /* Register Bit Offset */ |
| 564 | acpigen_emit_byte(addr->resv); /* Register Access Size */ |
| 565 | acpigen_emit_byte(addr->addrl & 0xff); /* Register Address Low */ |
| 566 | acpigen_emit_byte((addr->addrl >> 8) & 0xff); |
| 567 | acpigen_emit_byte((addr->addrl >> 16) & 0xff); |
| 568 | acpigen_emit_byte((addr->addrl >> 24) & 0xff); |
| 569 | acpigen_emit_byte(addr->addrh & 0xff); /* Register Address High */ |
| 570 | acpigen_emit_byte((addr->addrh >> 8) & 0xff); |
| 571 | acpigen_emit_byte((addr->addrh >> 16) & 0xff); |
| 572 | acpigen_emit_byte((addr->addrh >> 24) & 0xff); |
Sven Schnelle | 0b86c76 | 2011-10-21 21:46:47 +0200 | [diff] [blame] | 573 | } |
| 574 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 575 | void acpigen_write_irq(u16 mask) |
Vladimir Serbinenko | 20ea040 | 2014-02-15 18:57:17 +0100 | [diff] [blame] | 576 | { |
| 577 | /* |
| 578 | * acpi 3.0b section 6.4.2.1: IRQ Descriptor |
| 579 | * Byte 0: |
| 580 | * Bit7 : 0 => small item |
| 581 | * Bit6-3: 0100 (0x4) => IRQ port descriptor |
| 582 | * Bit2-0: 010 (0x2) => 2 Bytes long |
| 583 | */ |
| 584 | acpigen_emit_byte(0x22); |
| 585 | acpigen_emit_byte(mask & 0xff); |
| 586 | acpigen_emit_byte((mask >> 8) & 0xff); |
Vladimir Serbinenko | 20ea040 | 2014-02-15 18:57:17 +0100 | [diff] [blame] | 587 | } |
| 588 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 589 | void acpigen_write_io16(u16 min, u16 max, u8 align, u8 len, u8 decode16) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 590 | { |
| 591 | /* |
| 592 | * acpi 4.0 section 6.4.2.6: I/O Port Descriptor |
| 593 | * Byte 0: |
| 594 | * Bit7 : 0 => small item |
| 595 | * Bit6-3: 1000 (0x8) => I/O port descriptor |
| 596 | * Bit2-0: 111 (0x7) => 7 Bytes long |
| 597 | */ |
| 598 | acpigen_emit_byte(0x47); |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 599 | /* Does the device decode all 16 or just 10 bits? */ |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 600 | /* bit1-7 are ignored */ |
| 601 | acpigen_emit_byte(decode16 ? 0x01 : 0x00); |
| 602 | /* minimum base address the device may be configured for */ |
| 603 | acpigen_emit_byte(min & 0xff); |
| 604 | acpigen_emit_byte((min >> 8) & 0xff); |
| 605 | /* maximum base address the device may be configured for */ |
| 606 | acpigen_emit_byte(max & 0xff); |
| 607 | acpigen_emit_byte((max >> 8) & 0xff); |
| 608 | /* alignment for min base */ |
| 609 | acpigen_emit_byte(align & 0xff); |
| 610 | acpigen_emit_byte(len & 0xff); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 611 | } |
| 612 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 613 | void acpigen_write_resourcetemplate_header(void) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 614 | { |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 615 | /* |
| 616 | * A ResourceTemplate() is a Buffer() with a |
| 617 | * (Byte|Word|DWord) containing the length, followed by one or more |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 618 | * resource items, terminated by the end tag. |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 619 | * (small item 0xf, len 1) |
| 620 | */ |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 621 | acpigen_emit_byte(0x11); /* Buffer opcode */ |
| 622 | acpigen_write_len_f(); |
| 623 | acpigen_emit_byte(0x0b); /* Word opcode */ |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 624 | len_stack[ltop++] = acpigen_get_current(); |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 625 | acpigen_emit_byte(0x00); |
| 626 | acpigen_emit_byte(0x00); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 627 | } |
| 628 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 629 | void acpigen_write_resourcetemplate_footer(void) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 630 | { |
| 631 | char *p = len_stack[--ltop]; |
Vladimir Serbinenko | 9acc1e8 | 2014-11-09 03:37:28 +0100 | [diff] [blame] | 632 | int len; |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 633 | /* |
| 634 | * end tag (acpi 4.0 Section 6.4.2.8) |
| 635 | * 0x79 <checksum> |
| 636 | * 0x00 is treated as a good checksum according to the spec |
| 637 | * and is what iasl generates. |
| 638 | */ |
Vladimir Serbinenko | 9acc1e8 | 2014-11-09 03:37:28 +0100 | [diff] [blame] | 639 | acpigen_emit_byte(0x79); |
| 640 | acpigen_emit_byte(0x00); |
| 641 | |
| 642 | len = gencurrent - p; |
| 643 | |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 644 | /* patch len word */ |
Vladimir Serbinenko | 9acc1e8 | 2014-11-09 03:37:28 +0100 | [diff] [blame] | 645 | p[0] = len & 0xff; |
| 646 | p[1] = (len >> 8) & 0xff; |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 647 | /* patch len field */ |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 648 | acpigen_pop_len(); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | static void acpigen_add_mainboard_rsvd_mem32(void *gp, struct device *dev, |
| 652 | struct resource *res) |
| 653 | { |
| 654 | acpigen_write_mem32fixed(0, res->base, res->size); |
| 655 | } |
| 656 | |
| 657 | static void acpigen_add_mainboard_rsvd_io(void *gp, struct device *dev, |
| 658 | struct resource *res) |
| 659 | { |
| 660 | resource_t base = res->base; |
| 661 | resource_t size = res->size; |
| 662 | while (size > 0) { |
| 663 | resource_t sz = size > 255 ? 255 : size; |
| 664 | acpigen_write_io16(base, base, 0, sz, 1); |
| 665 | size -= sz; |
| 666 | base += sz; |
| 667 | } |
| 668 | } |
| 669 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 670 | void acpigen_write_mainboard_resource_template(void) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 671 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 672 | acpigen_write_resourcetemplate_header(); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 673 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 674 | /* Add reserved memory ranges. */ |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 675 | search_global_resources( |
| 676 | IORESOURCE_MEM | IORESOURCE_RESERVE, |
| 677 | IORESOURCE_MEM | IORESOURCE_RESERVE, |
| 678 | acpigen_add_mainboard_rsvd_mem32, 0); |
| 679 | |
Paul Menzel | 0f4c0e2 | 2013-02-22 12:33:08 +0100 | [diff] [blame] | 680 | /* Add reserved io ranges. */ |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 681 | search_global_resources( |
| 682 | IORESOURCE_IO | IORESOURCE_RESERVE, |
| 683 | IORESOURCE_IO | IORESOURCE_RESERVE, |
| 684 | acpigen_add_mainboard_rsvd_io, 0); |
| 685 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 686 | acpigen_write_resourcetemplate_footer(); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 687 | } |
| 688 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 689 | void acpigen_write_mainboard_resources(const char *scope, const char *name) |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 690 | { |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 691 | acpigen_write_scope(scope); |
| 692 | acpigen_write_name(name); |
| 693 | acpigen_write_mainboard_resource_template(); |
Vladimir Serbinenko | a09f4db | 2014-11-09 03:32:58 +0100 | [diff] [blame] | 694 | acpigen_pop_len(); |
Tobias Diedrich | 0fe6e9a | 2010-11-17 16:27:06 +0000 | [diff] [blame] | 695 | } |
Vladimir Serbinenko | 8ecdc9e | 2014-02-15 18:59:40 +0100 | [diff] [blame] | 696 | |
| 697 | static int hex2bin(const char c) |
| 698 | { |
| 699 | if (c >= 'A' && c <= 'F') |
| 700 | return c - 'A' + 10; |
| 701 | if (c >= 'a' && c <= 'f') |
| 702 | return c - 'a' + 10; |
| 703 | return c - '0'; |
| 704 | } |
| 705 | |
Vladimir Serbinenko | 9bb5c5c | 2014-11-09 03:51:32 +0100 | [diff] [blame^] | 706 | void acpigen_emit_eisaid(const char *eisaid) |
Vladimir Serbinenko | 8ecdc9e | 2014-02-15 18:59:40 +0100 | [diff] [blame] | 707 | { |
| 708 | u32 compact = 0; |
| 709 | |
| 710 | /* Clamping individual values would be better but |
| 711 | there is a disagreement over what is a valid |
| 712 | EISA id, so accept anything and don't clamp, |
| 713 | parent code should create a valid EISAid. |
| 714 | */ |
| 715 | compact |= (eisaid[0] - 'A' + 1) << 26; |
| 716 | compact |= (eisaid[1] - 'A' + 1) << 21; |
| 717 | compact |= (eisaid[2] - 'A' + 1) << 16; |
| 718 | compact |= hex2bin(eisaid[3]) << 12; |
| 719 | compact |= hex2bin(eisaid[4]) << 8; |
| 720 | compact |= hex2bin(eisaid[5]) << 4; |
| 721 | compact |= hex2bin(eisaid[6]); |
| 722 | |
| 723 | acpigen_emit_byte(0xc); |
| 724 | acpigen_emit_byte((compact >> 24) & 0xff); |
| 725 | acpigen_emit_byte((compact >> 16) & 0xff); |
| 726 | acpigen_emit_byte((compact >> 8) & 0xff); |
| 727 | acpigen_emit_byte(compact & 0xff); |
Vladimir Serbinenko | 8ecdc9e | 2014-02-15 18:59:40 +0100 | [diff] [blame] | 728 | } |