Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 1 | /* |
| 2 | * PS3 device registration routines. |
| 3 | * |
| 4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. |
| 5 | * Copyright 2007 Sony Corp. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/freezer.h> |
| 23 | #include <linux/kernel.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/init.h> |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 26 | #include <linux/reboot.h> |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 27 | |
| 28 | #include <asm/firmware.h> |
| 29 | #include <asm/lv1call.h> |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 30 | #include <asm/ps3stor.h> |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 31 | |
| 32 | #include "platform.h" |
| 33 | |
Geoff Levand | ed75700 | 2008-01-19 07:32:38 +1100 | [diff] [blame] | 34 | static int __init ps3_register_lpm_devices(void) |
| 35 | { |
| 36 | int result; |
| 37 | u64 tmp1; |
| 38 | u64 tmp2; |
| 39 | struct ps3_system_bus_device *dev; |
| 40 | |
| 41 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 42 | |
| 43 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 44 | if (!dev) |
| 45 | return -ENOMEM; |
| 46 | |
| 47 | dev->match_id = PS3_MATCH_ID_LPM; |
| 48 | dev->dev_type = PS3_DEVICE_TYPE_LPM; |
| 49 | |
| 50 | /* The current lpm driver only supports a single BE processor. */ |
| 51 | |
| 52 | result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); |
| 53 | |
| 54 | if (result) { |
| 55 | pr_debug("%s:%d: ps3_repository_read_be_node_id failed \n", |
| 56 | __func__, __LINE__); |
| 57 | goto fail_read_repo; |
| 58 | } |
| 59 | |
| 60 | result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, |
| 61 | &dev->lpm.rights); |
| 62 | |
| 63 | if (result) { |
| 64 | pr_debug("%s:%d: ps3_repository_read_lpm_privleges failed \n", |
| 65 | __func__, __LINE__); |
| 66 | goto fail_read_repo; |
| 67 | } |
| 68 | |
| 69 | lv1_get_logical_partition_id(&tmp2); |
| 70 | |
| 71 | if (tmp1 != tmp2) { |
| 72 | pr_debug("%s:%d: wrong lpar\n", |
| 73 | __func__, __LINE__); |
| 74 | result = -ENODEV; |
| 75 | goto fail_rights; |
| 76 | } |
| 77 | |
| 78 | if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { |
| 79 | pr_debug("%s:%d: don't have rights to use lpm\n", |
| 80 | __func__, __LINE__); |
| 81 | result = -EPERM; |
| 82 | goto fail_rights; |
| 83 | } |
| 84 | |
| 85 | pr_debug("%s:%d: pu_id %lu, rights %lu(%lxh)\n", |
| 86 | __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, |
| 87 | dev->lpm.rights); |
| 88 | |
| 89 | result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); |
| 90 | |
| 91 | if (result) { |
| 92 | pr_debug("%s:%d: ps3_repository_read_pu_id failed \n", |
| 93 | __func__, __LINE__); |
| 94 | goto fail_read_repo; |
| 95 | } |
| 96 | |
| 97 | result = ps3_system_bus_device_register(dev); |
| 98 | |
| 99 | if (result) { |
| 100 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 101 | __func__, __LINE__); |
| 102 | goto fail_register; |
| 103 | } |
| 104 | |
| 105 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 106 | return 0; |
| 107 | |
| 108 | |
| 109 | fail_register: |
| 110 | fail_rights: |
| 111 | fail_read_repo: |
| 112 | kfree(dev); |
| 113 | pr_debug(" <- %s:%d: failed\n", __func__, __LINE__); |
| 114 | return result; |
| 115 | } |
| 116 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 117 | /** |
| 118 | * ps3_setup_gelic_device - Setup and register a gelic device instance. |
| 119 | * |
| 120 | * Allocates memory for a struct ps3_system_bus_device instance, initialises the |
| 121 | * structure members, and registers the device instance with the system bus. |
| 122 | */ |
| 123 | |
| 124 | static int __init ps3_setup_gelic_device( |
| 125 | const struct ps3_repository_device *repo) |
| 126 | { |
| 127 | int result; |
| 128 | struct layout { |
| 129 | struct ps3_system_bus_device dev; |
| 130 | struct ps3_dma_region d_region; |
| 131 | } *p; |
| 132 | |
| 133 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 134 | |
| 135 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); |
| 136 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_GELIC); |
| 137 | |
| 138 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 139 | |
| 140 | if (!p) { |
| 141 | result = -ENOMEM; |
| 142 | goto fail_malloc; |
| 143 | } |
| 144 | |
| 145 | p->dev.match_id = PS3_MATCH_ID_GELIC; |
| 146 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; |
| 147 | p->dev.bus_id = repo->bus_id; |
| 148 | p->dev.dev_id = repo->dev_id; |
| 149 | p->dev.d_region = &p->d_region; |
| 150 | |
| 151 | result = ps3_repository_find_interrupt(repo, |
| 152 | PS3_INTERRUPT_TYPE_EVENT_PORT, &p->dev.interrupt_id); |
| 153 | |
| 154 | if (result) { |
| 155 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", |
| 156 | __func__, __LINE__); |
| 157 | goto fail_find_interrupt; |
| 158 | } |
| 159 | |
| 160 | BUG_ON(p->dev.interrupt_id != 0); |
| 161 | |
| 162 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, |
| 163 | PS3_DMA_OTHER, NULL, 0); |
| 164 | |
| 165 | if (result) { |
| 166 | pr_debug("%s:%d ps3_dma_region_init failed\n", |
| 167 | __func__, __LINE__); |
| 168 | goto fail_dma_init; |
| 169 | } |
| 170 | |
| 171 | result = ps3_system_bus_device_register(&p->dev); |
| 172 | |
| 173 | if (result) { |
| 174 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 175 | __func__, __LINE__); |
| 176 | goto fail_device_register; |
| 177 | } |
| 178 | |
| 179 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 180 | return result; |
| 181 | |
| 182 | fail_device_register: |
| 183 | fail_dma_init: |
| 184 | fail_find_interrupt: |
| 185 | kfree(p); |
| 186 | fail_malloc: |
| 187 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); |
| 188 | return result; |
| 189 | } |
| 190 | |
| 191 | static int __init_refok ps3_setup_uhc_device( |
| 192 | const struct ps3_repository_device *repo, enum ps3_match_id match_id, |
| 193 | enum ps3_interrupt_type interrupt_type, enum ps3_reg_type reg_type) |
| 194 | { |
| 195 | int result; |
| 196 | struct layout { |
| 197 | struct ps3_system_bus_device dev; |
| 198 | struct ps3_dma_region d_region; |
| 199 | struct ps3_mmio_region m_region; |
| 200 | } *p; |
| 201 | u64 bus_addr; |
| 202 | u64 len; |
| 203 | |
| 204 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 205 | |
| 206 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); |
| 207 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_USB); |
| 208 | |
| 209 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 210 | |
| 211 | if (!p) { |
| 212 | result = -ENOMEM; |
| 213 | goto fail_malloc; |
| 214 | } |
| 215 | |
| 216 | p->dev.match_id = match_id; |
| 217 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; |
| 218 | p->dev.bus_id = repo->bus_id; |
| 219 | p->dev.dev_id = repo->dev_id; |
| 220 | p->dev.d_region = &p->d_region; |
| 221 | p->dev.m_region = &p->m_region; |
| 222 | |
| 223 | result = ps3_repository_find_interrupt(repo, |
| 224 | interrupt_type, &p->dev.interrupt_id); |
| 225 | |
| 226 | if (result) { |
| 227 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", |
| 228 | __func__, __LINE__); |
| 229 | goto fail_find_interrupt; |
| 230 | } |
| 231 | |
| 232 | result = ps3_repository_find_reg(repo, reg_type, |
| 233 | &bus_addr, &len); |
| 234 | |
| 235 | if (result) { |
| 236 | pr_debug("%s:%d ps3_repository_find_reg failed\n", |
| 237 | __func__, __LINE__); |
| 238 | goto fail_find_reg; |
| 239 | } |
| 240 | |
| 241 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, |
| 242 | PS3_DMA_INTERNAL, NULL, 0); |
| 243 | |
| 244 | if (result) { |
| 245 | pr_debug("%s:%d ps3_dma_region_init failed\n", |
| 246 | __func__, __LINE__); |
| 247 | goto fail_dma_init; |
| 248 | } |
| 249 | |
| 250 | result = ps3_mmio_region_init(&p->dev, p->dev.m_region, bus_addr, len, |
| 251 | PS3_MMIO_4K); |
| 252 | |
| 253 | if (result) { |
| 254 | pr_debug("%s:%d ps3_mmio_region_init failed\n", |
| 255 | __func__, __LINE__); |
| 256 | goto fail_mmio_init; |
| 257 | } |
| 258 | |
| 259 | result = ps3_system_bus_device_register(&p->dev); |
| 260 | |
| 261 | if (result) { |
| 262 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 263 | __func__, __LINE__); |
| 264 | goto fail_device_register; |
| 265 | } |
| 266 | |
| 267 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 268 | return result; |
| 269 | |
| 270 | fail_device_register: |
| 271 | fail_mmio_init: |
| 272 | fail_dma_init: |
| 273 | fail_find_reg: |
| 274 | fail_find_interrupt: |
| 275 | kfree(p); |
| 276 | fail_malloc: |
| 277 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); |
| 278 | return result; |
| 279 | } |
| 280 | |
| 281 | static int __init ps3_setup_ehci_device( |
| 282 | const struct ps3_repository_device *repo) |
| 283 | { |
| 284 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_EHCI, |
| 285 | PS3_INTERRUPT_TYPE_SB_EHCI, PS3_REG_TYPE_SB_EHCI); |
| 286 | } |
| 287 | |
| 288 | static int __init ps3_setup_ohci_device( |
| 289 | const struct ps3_repository_device *repo) |
| 290 | { |
| 291 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_OHCI, |
| 292 | PS3_INTERRUPT_TYPE_SB_OHCI, PS3_REG_TYPE_SB_OHCI); |
| 293 | } |
| 294 | |
| 295 | static int __init ps3_setup_vuart_device(enum ps3_match_id match_id, |
| 296 | unsigned int port_number) |
| 297 | { |
| 298 | int result; |
| 299 | struct layout { |
| 300 | struct ps3_system_bus_device dev; |
| 301 | } *p; |
| 302 | |
| 303 | pr_debug(" -> %s:%d: match_id %u, port %u\n", __func__, __LINE__, |
| 304 | match_id, port_number); |
| 305 | |
| 306 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 307 | |
| 308 | if (!p) |
| 309 | return -ENOMEM; |
| 310 | |
| 311 | p->dev.match_id = match_id; |
| 312 | p->dev.dev_type = PS3_DEVICE_TYPE_VUART; |
| 313 | p->dev.port_number = port_number; |
| 314 | |
| 315 | result = ps3_system_bus_device_register(&p->dev); |
| 316 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 317 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 318 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 319 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 320 | goto fail_device_register; |
| 321 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 322 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 323 | return 0; |
| 324 | |
| 325 | fail_device_register: |
| 326 | kfree(p); |
| 327 | pr_debug(" <- %s:%d fail\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 328 | return result; |
| 329 | } |
| 330 | |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 331 | static int ps3_setup_storage_dev(const struct ps3_repository_device *repo, |
| 332 | enum ps3_match_id match_id) |
| 333 | { |
| 334 | int result; |
| 335 | struct ps3_storage_device *p; |
| 336 | u64 port, blk_size, num_blocks; |
| 337 | unsigned int num_regions, i; |
| 338 | |
| 339 | pr_debug(" -> %s:%u: match_id %u\n", __func__, __LINE__, match_id); |
| 340 | |
| 341 | result = ps3_repository_read_stor_dev_info(repo->bus_index, |
| 342 | repo->dev_index, &port, |
| 343 | &blk_size, &num_blocks, |
| 344 | &num_regions); |
| 345 | if (result) { |
| 346 | printk(KERN_ERR "%s:%u: _read_stor_dev_info failed %d\n", |
| 347 | __func__, __LINE__, result); |
| 348 | return -ENODEV; |
| 349 | } |
| 350 | |
Geoff Levand | 75cdff9 | 2007-09-12 18:43:17 +1000 | [diff] [blame] | 351 | pr_debug("%s:%u: (%u:%u:%u): port %lu blk_size %lu num_blocks %lu " |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 352 | "num_regions %u\n", __func__, __LINE__, repo->bus_index, |
Geoff Levand | 75cdff9 | 2007-09-12 18:43:17 +1000 | [diff] [blame] | 353 | repo->dev_index, repo->dev_type, port, blk_size, num_blocks, |
| 354 | num_regions); |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 355 | |
| 356 | p = kzalloc(sizeof(struct ps3_storage_device) + |
| 357 | num_regions * sizeof(struct ps3_storage_region), |
| 358 | GFP_KERNEL); |
| 359 | if (!p) { |
| 360 | result = -ENOMEM; |
| 361 | goto fail_malloc; |
| 362 | } |
| 363 | |
| 364 | p->sbd.match_id = match_id; |
| 365 | p->sbd.dev_type = PS3_DEVICE_TYPE_SB; |
| 366 | p->sbd.bus_id = repo->bus_id; |
| 367 | p->sbd.dev_id = repo->dev_id; |
| 368 | p->sbd.d_region = &p->dma_region; |
| 369 | p->blk_size = blk_size; |
| 370 | p->num_regions = num_regions; |
| 371 | |
| 372 | result = ps3_repository_find_interrupt(repo, |
| 373 | PS3_INTERRUPT_TYPE_EVENT_PORT, |
| 374 | &p->sbd.interrupt_id); |
| 375 | if (result) { |
| 376 | printk(KERN_ERR "%s:%u: find_interrupt failed %d\n", __func__, |
| 377 | __LINE__, result); |
| 378 | result = -ENODEV; |
| 379 | goto fail_find_interrupt; |
| 380 | } |
| 381 | |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 382 | for (i = 0; i < num_regions; i++) { |
| 383 | unsigned int id; |
| 384 | u64 start, size; |
| 385 | |
| 386 | result = ps3_repository_read_stor_dev_region(repo->bus_index, |
| 387 | repo->dev_index, |
| 388 | i, &id, &start, |
| 389 | &size); |
| 390 | if (result) { |
| 391 | printk(KERN_ERR |
| 392 | "%s:%u: read_stor_dev_region failed %d\n", |
| 393 | __func__, __LINE__, result); |
| 394 | result = -ENODEV; |
| 395 | goto fail_read_region; |
| 396 | } |
| 397 | pr_debug("%s:%u: region %u: id %u start %lu size %lu\n", |
| 398 | __func__, __LINE__, i, id, start, size); |
| 399 | |
| 400 | p->regions[i].id = id; |
| 401 | p->regions[i].start = start; |
| 402 | p->regions[i].size = size; |
| 403 | } |
| 404 | |
| 405 | result = ps3_system_bus_device_register(&p->sbd); |
| 406 | if (result) { |
| 407 | pr_debug("%s:%u ps3_system_bus_device_register failed\n", |
| 408 | __func__, __LINE__); |
| 409 | goto fail_device_register; |
| 410 | } |
| 411 | |
| 412 | pr_debug(" <- %s:%u\n", __func__, __LINE__); |
| 413 | return 0; |
| 414 | |
| 415 | fail_device_register: |
| 416 | fail_read_region: |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 417 | fail_find_interrupt: |
| 418 | kfree(p); |
| 419 | fail_malloc: |
| 420 | pr_debug(" <- %s:%u: fail.\n", __func__, __LINE__); |
| 421 | return result; |
| 422 | } |
| 423 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 424 | static int __init ps3_register_vuart_devices(void) |
| 425 | { |
| 426 | int result; |
| 427 | unsigned int port_number; |
| 428 | |
| 429 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 430 | |
| 431 | result = ps3_repository_read_vuart_av_port(&port_number); |
| 432 | if (result) |
| 433 | port_number = 0; /* av default */ |
| 434 | |
| 435 | result = ps3_setup_vuart_device(PS3_MATCH_ID_AV_SETTINGS, port_number); |
| 436 | WARN_ON(result); |
| 437 | |
| 438 | result = ps3_repository_read_vuart_sysmgr_port(&port_number); |
| 439 | if (result) |
| 440 | port_number = 2; /* sysmgr default */ |
| 441 | |
| 442 | result = ps3_setup_vuart_device(PS3_MATCH_ID_SYSTEM_MANAGER, |
| 443 | port_number); |
| 444 | WARN_ON(result); |
| 445 | |
| 446 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 447 | return result; |
| 448 | } |
| 449 | |
| 450 | static int __init ps3_register_sound_devices(void) |
| 451 | { |
| 452 | int result; |
| 453 | struct layout { |
| 454 | struct ps3_system_bus_device dev; |
| 455 | struct ps3_dma_region d_region; |
| 456 | struct ps3_mmio_region m_region; |
| 457 | } *p; |
| 458 | |
| 459 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 460 | |
| 461 | p = kzalloc(sizeof(*p), GFP_KERNEL); |
| 462 | if (!p) |
| 463 | return -ENOMEM; |
| 464 | |
| 465 | p->dev.match_id = PS3_MATCH_ID_SOUND; |
| 466 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
| 467 | p->dev.d_region = &p->d_region; |
| 468 | p->dev.m_region = &p->m_region; |
| 469 | |
| 470 | result = ps3_system_bus_device_register(&p->dev); |
| 471 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 472 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 473 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 474 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 475 | goto fail_device_register; |
| 476 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 477 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 478 | return 0; |
| 479 | |
| 480 | fail_device_register: |
| 481 | kfree(p); |
| 482 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 483 | return result; |
| 484 | } |
| 485 | |
| 486 | static int __init ps3_register_graphics_devices(void) |
| 487 | { |
| 488 | int result; |
| 489 | struct layout { |
| 490 | struct ps3_system_bus_device dev; |
| 491 | } *p; |
| 492 | |
| 493 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 494 | |
| 495 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 496 | |
| 497 | if (!p) |
| 498 | return -ENOMEM; |
| 499 | |
Geert Uytterhoeven | 46d0149 | 2008-12-03 13:52:21 +0000 | [diff] [blame^] | 500 | p->dev.match_id = PS3_MATCH_ID_GPU; |
| 501 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_FB; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 502 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
| 503 | |
| 504 | result = ps3_system_bus_device_register(&p->dev); |
| 505 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 506 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 507 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 508 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 509 | goto fail_device_register; |
| 510 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 511 | |
| 512 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 513 | return 0; |
| 514 | |
| 515 | fail_device_register: |
| 516 | kfree(p); |
| 517 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 518 | return result; |
| 519 | } |
| 520 | |
| 521 | /** |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 522 | * ps3_setup_dynamic_device - Setup a dynamic device from the repository |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 523 | */ |
| 524 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 525 | static int ps3_setup_dynamic_device(const struct ps3_repository_device *repo) |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 526 | { |
| 527 | int result; |
| 528 | |
| 529 | switch (repo->dev_type) { |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 530 | case PS3_DEV_TYPE_STOR_DISK: |
| 531 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); |
| 532 | |
| 533 | /* Some devices are not accessable from the Other OS lpar. */ |
| 534 | if (result == -ENODEV) { |
| 535 | result = 0; |
| 536 | pr_debug("%s:%u: not accessable\n", __func__, |
| 537 | __LINE__); |
| 538 | } |
| 539 | |
| 540 | if (result) |
| 541 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 542 | __func__, __LINE__); |
| 543 | break; |
| 544 | |
| 545 | case PS3_DEV_TYPE_STOR_ROM: |
| 546 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_ROM); |
| 547 | if (result) |
| 548 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 549 | __func__, __LINE__); |
| 550 | break; |
| 551 | |
| 552 | case PS3_DEV_TYPE_STOR_FLASH: |
| 553 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_FLASH); |
| 554 | if (result) |
| 555 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 556 | __func__, __LINE__); |
| 557 | break; |
| 558 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 559 | default: |
| 560 | result = 0; |
| 561 | pr_debug("%s:%u: unsupported dev_type %u\n", __func__, __LINE__, |
| 562 | repo->dev_type); |
| 563 | } |
| 564 | |
| 565 | return result; |
| 566 | } |
| 567 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 568 | /** |
| 569 | * ps3_setup_static_device - Setup a static device from the repository |
| 570 | */ |
| 571 | |
| 572 | static int __init ps3_setup_static_device(const struct ps3_repository_device *repo) |
| 573 | { |
| 574 | int result; |
| 575 | |
| 576 | switch (repo->dev_type) { |
| 577 | case PS3_DEV_TYPE_SB_GELIC: |
| 578 | result = ps3_setup_gelic_device(repo); |
| 579 | if (result) { |
| 580 | pr_debug("%s:%d ps3_setup_gelic_device failed\n", |
| 581 | __func__, __LINE__); |
| 582 | } |
| 583 | break; |
| 584 | case PS3_DEV_TYPE_SB_USB: |
| 585 | |
| 586 | /* Each USB device has both an EHCI and an OHCI HC */ |
| 587 | |
| 588 | result = ps3_setup_ehci_device(repo); |
| 589 | |
| 590 | if (result) { |
| 591 | pr_debug("%s:%d ps3_setup_ehci_device failed\n", |
| 592 | __func__, __LINE__); |
| 593 | } |
| 594 | |
| 595 | result = ps3_setup_ohci_device(repo); |
| 596 | |
| 597 | if (result) { |
| 598 | pr_debug("%s:%d ps3_setup_ohci_device failed\n", |
| 599 | __func__, __LINE__); |
| 600 | } |
| 601 | break; |
| 602 | |
| 603 | default: |
| 604 | return ps3_setup_dynamic_device(repo); |
| 605 | } |
| 606 | |
| 607 | return result; |
| 608 | } |
| 609 | |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 610 | static void ps3_find_and_add_device(u64 bus_id, u64 dev_id) |
| 611 | { |
| 612 | struct ps3_repository_device repo; |
| 613 | int res; |
| 614 | unsigned int retries; |
| 615 | unsigned long rem; |
| 616 | |
| 617 | /* |
| 618 | * On some firmware versions (e.g. 1.90), the device may not show up |
| 619 | * in the repository immediately |
| 620 | */ |
| 621 | for (retries = 0; retries < 10; retries++) { |
| 622 | res = ps3_repository_find_device_by_id(&repo, bus_id, dev_id); |
| 623 | if (!res) |
| 624 | goto found; |
| 625 | |
| 626 | rem = msleep_interruptible(100); |
| 627 | if (rem) |
| 628 | break; |
| 629 | } |
| 630 | pr_warning("%s:%u: device %lu:%lu not found\n", __func__, __LINE__, |
| 631 | bus_id, dev_id); |
| 632 | return; |
| 633 | |
| 634 | found: |
| 635 | if (retries) |
| 636 | pr_debug("%s:%u: device %lu:%lu found after %u retries\n", |
| 637 | __func__, __LINE__, bus_id, dev_id, retries); |
| 638 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 639 | ps3_setup_dynamic_device(&repo); |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 640 | return; |
| 641 | } |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 642 | |
| 643 | #define PS3_NOTIFICATION_DEV_ID ULONG_MAX |
| 644 | #define PS3_NOTIFICATION_INTERRUPT_ID 0 |
| 645 | |
| 646 | struct ps3_notification_device { |
| 647 | struct ps3_system_bus_device sbd; |
| 648 | spinlock_t lock; |
| 649 | u64 tag; |
| 650 | u64 lv1_status; |
| 651 | struct completion done; |
| 652 | }; |
| 653 | |
| 654 | enum ps3_notify_type { |
| 655 | notify_device_ready = 0, |
| 656 | notify_region_probe = 1, |
| 657 | notify_region_update = 2, |
| 658 | }; |
| 659 | |
| 660 | struct ps3_notify_cmd { |
| 661 | u64 operation_code; /* must be zero */ |
| 662 | u64 event_mask; /* OR of 1UL << enum ps3_notify_type */ |
| 663 | }; |
| 664 | |
| 665 | struct ps3_notify_event { |
| 666 | u64 event_type; /* enum ps3_notify_type */ |
| 667 | u64 bus_id; |
| 668 | u64 dev_id; |
| 669 | u64 dev_type; |
| 670 | u64 dev_port; |
| 671 | }; |
| 672 | |
| 673 | static irqreturn_t ps3_notification_interrupt(int irq, void *data) |
| 674 | { |
| 675 | struct ps3_notification_device *dev = data; |
| 676 | int res; |
| 677 | u64 tag, status; |
| 678 | |
| 679 | spin_lock(&dev->lock); |
| 680 | res = lv1_storage_get_async_status(PS3_NOTIFICATION_DEV_ID, &tag, |
| 681 | &status); |
| 682 | if (tag != dev->tag) |
| 683 | pr_err("%s:%u: tag mismatch, got %lx, expected %lx\n", |
| 684 | __func__, __LINE__, tag, dev->tag); |
| 685 | |
| 686 | if (res) { |
| 687 | pr_err("%s:%u: res %d status 0x%lx\n", __func__, __LINE__, res, |
| 688 | status); |
| 689 | } else { |
| 690 | pr_debug("%s:%u: completed, status 0x%lx\n", __func__, |
| 691 | __LINE__, status); |
| 692 | dev->lv1_status = status; |
| 693 | complete(&dev->done); |
| 694 | } |
| 695 | spin_unlock(&dev->lock); |
| 696 | return IRQ_HANDLED; |
| 697 | } |
| 698 | |
| 699 | static int ps3_notification_read_write(struct ps3_notification_device *dev, |
| 700 | u64 lpar, int write) |
| 701 | { |
| 702 | const char *op = write ? "write" : "read"; |
| 703 | unsigned long flags; |
| 704 | int res; |
| 705 | |
| 706 | init_completion(&dev->done); |
| 707 | spin_lock_irqsave(&dev->lock, flags); |
| 708 | res = write ? lv1_storage_write(dev->sbd.dev_id, 0, 0, 1, 0, lpar, |
| 709 | &dev->tag) |
| 710 | : lv1_storage_read(dev->sbd.dev_id, 0, 0, 1, 0, lpar, |
| 711 | &dev->tag); |
| 712 | spin_unlock_irqrestore(&dev->lock, flags); |
| 713 | if (res) { |
| 714 | pr_err("%s:%u: %s failed %d\n", __func__, __LINE__, op, res); |
| 715 | return -EPERM; |
| 716 | } |
| 717 | pr_debug("%s:%u: notification %s issued\n", __func__, __LINE__, op); |
| 718 | |
| 719 | res = wait_event_interruptible(dev->done.wait, |
| 720 | dev->done.done || kthread_should_stop()); |
| 721 | if (kthread_should_stop()) |
| 722 | res = -EINTR; |
| 723 | if (res) { |
| 724 | pr_debug("%s:%u: interrupted %s\n", __func__, __LINE__, op); |
| 725 | return res; |
| 726 | } |
| 727 | |
| 728 | if (dev->lv1_status) { |
| 729 | pr_err("%s:%u: %s not completed, status 0x%lx\n", __func__, |
| 730 | __LINE__, op, dev->lv1_status); |
| 731 | return -EIO; |
| 732 | } |
| 733 | pr_debug("%s:%u: notification %s completed\n", __func__, __LINE__, op); |
| 734 | |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | static struct task_struct *probe_task; |
| 739 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 740 | /** |
| 741 | * ps3_probe_thread - Background repository probing at system startup. |
| 742 | * |
| 743 | * This implementation only supports background probing on a single bus. |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 744 | * It uses the hypervisor's storage device notification mechanism to wait until |
| 745 | * a storage device is ready. The device notification mechanism uses a |
| 746 | * pseudo device to asynchronously notify the guest when storage devices become |
| 747 | * ready. The notification device has a block size of 512 bytes. |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 748 | */ |
| 749 | |
| 750 | static int ps3_probe_thread(void *data) |
| 751 | { |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 752 | struct ps3_notification_device dev; |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 753 | int res; |
| 754 | unsigned int irq; |
| 755 | u64 lpar; |
| 756 | void *buf; |
| 757 | struct ps3_notify_cmd *notify_cmd; |
| 758 | struct ps3_notify_event *notify_event; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 759 | |
| 760 | pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__); |
| 761 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 762 | buf = kzalloc(512, GFP_KERNEL); |
| 763 | if (!buf) |
| 764 | return -ENOMEM; |
| 765 | |
| 766 | lpar = ps3_mm_phys_to_lpar(__pa(buf)); |
| 767 | notify_cmd = buf; |
| 768 | notify_event = buf; |
| 769 | |
| 770 | /* dummy system bus device */ |
| 771 | dev.sbd.bus_id = (u64)data; |
| 772 | dev.sbd.dev_id = PS3_NOTIFICATION_DEV_ID; |
| 773 | dev.sbd.interrupt_id = PS3_NOTIFICATION_INTERRUPT_ID; |
| 774 | |
| 775 | res = lv1_open_device(dev.sbd.bus_id, dev.sbd.dev_id, 0); |
| 776 | if (res) { |
| 777 | pr_err("%s:%u: lv1_open_device failed %s\n", __func__, |
| 778 | __LINE__, ps3_result(res)); |
| 779 | goto fail_free; |
| 780 | } |
| 781 | |
| 782 | res = ps3_sb_event_receive_port_setup(&dev.sbd, PS3_BINDING_CPU_ANY, |
| 783 | &irq); |
| 784 | if (res) { |
| 785 | pr_err("%s:%u: ps3_sb_event_receive_port_setup failed %d\n", |
| 786 | __func__, __LINE__, res); |
| 787 | goto fail_close_device; |
| 788 | } |
| 789 | |
| 790 | spin_lock_init(&dev.lock); |
| 791 | |
| 792 | res = request_irq(irq, ps3_notification_interrupt, IRQF_DISABLED, |
| 793 | "ps3_notification", &dev); |
| 794 | if (res) { |
| 795 | pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__, |
| 796 | res); |
| 797 | goto fail_sb_event_receive_port_destroy; |
| 798 | } |
| 799 | |
| 800 | /* Setup and write the request for device notification. */ |
| 801 | notify_cmd->operation_code = 0; /* must be zero */ |
| 802 | notify_cmd->event_mask = 1UL << notify_region_probe; |
| 803 | |
| 804 | res = ps3_notification_read_write(&dev, lpar, 1); |
| 805 | if (res) |
| 806 | goto fail_free_irq; |
| 807 | |
| 808 | /* Loop here processing the requested notification events. */ |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 809 | do { |
| 810 | try_to_freeze(); |
| 811 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 812 | memset(notify_event, 0, sizeof(*notify_event)); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 813 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 814 | res = ps3_notification_read_write(&dev, lpar, 0); |
| 815 | if (res) |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 816 | break; |
| 817 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 818 | pr_debug("%s:%u: notify event type 0x%lx bus id %lu dev id %lu" |
| 819 | " type %lu port %lu\n", __func__, __LINE__, |
| 820 | notify_event->event_type, notify_event->bus_id, |
| 821 | notify_event->dev_id, notify_event->dev_type, |
| 822 | notify_event->dev_port); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 823 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 824 | if (notify_event->event_type != notify_region_probe || |
| 825 | notify_event->bus_id != dev.sbd.bus_id) { |
| 826 | pr_warning("%s:%u: bad notify_event: event %lu, " |
| 827 | "dev_id %lu, dev_type %lu\n", |
| 828 | __func__, __LINE__, notify_event->event_type, |
| 829 | notify_event->dev_id, |
| 830 | notify_event->dev_type); |
| 831 | continue; |
| 832 | } |
| 833 | |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 834 | ps3_find_and_add_device(dev.sbd.bus_id, notify_event->dev_id); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 835 | |
| 836 | } while (!kthread_should_stop()); |
| 837 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 838 | fail_free_irq: |
| 839 | free_irq(irq, &dev); |
| 840 | fail_sb_event_receive_port_destroy: |
| 841 | ps3_sb_event_receive_port_destroy(&dev.sbd, irq); |
| 842 | fail_close_device: |
| 843 | lv1_close_device(dev.sbd.bus_id, dev.sbd.dev_id); |
| 844 | fail_free: |
| 845 | kfree(buf); |
| 846 | |
| 847 | probe_task = NULL; |
| 848 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 849 | pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__); |
| 850 | |
| 851 | return 0; |
| 852 | } |
| 853 | |
| 854 | /** |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 855 | * ps3_stop_probe_thread - Stops the background probe thread. |
| 856 | * |
| 857 | */ |
| 858 | |
| 859 | static int ps3_stop_probe_thread(struct notifier_block *nb, unsigned long code, |
| 860 | void *data) |
| 861 | { |
| 862 | if (probe_task) |
| 863 | kthread_stop(probe_task); |
| 864 | return 0; |
| 865 | } |
| 866 | |
| 867 | static struct notifier_block nb = { |
| 868 | .notifier_call = ps3_stop_probe_thread |
| 869 | }; |
| 870 | |
| 871 | /** |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 872 | * ps3_start_probe_thread - Starts the background probe thread. |
| 873 | * |
| 874 | */ |
| 875 | |
| 876 | static int __init ps3_start_probe_thread(enum ps3_bus_type bus_type) |
| 877 | { |
| 878 | int result; |
| 879 | struct task_struct *task; |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 880 | struct ps3_repository_device repo; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 881 | |
| 882 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 883 | |
| 884 | memset(&repo, 0, sizeof(repo)); |
| 885 | |
| 886 | repo.bus_type = bus_type; |
| 887 | |
| 888 | result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); |
| 889 | |
| 890 | if (result) { |
| 891 | printk(KERN_ERR "%s: Cannot find bus (%d)\n", __func__, result); |
| 892 | return -ENODEV; |
| 893 | } |
| 894 | |
| 895 | result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); |
| 896 | |
| 897 | if (result) { |
| 898 | printk(KERN_ERR "%s: read_bus_id failed %d\n", __func__, |
| 899 | result); |
| 900 | return -ENODEV; |
| 901 | } |
| 902 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 903 | task = kthread_run(ps3_probe_thread, (void *)repo.bus_id, |
| 904 | "ps3-probe-%u", bus_type); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 905 | |
| 906 | if (IS_ERR(task)) { |
| 907 | result = PTR_ERR(task); |
| 908 | printk(KERN_ERR "%s: kthread_run failed %d\n", __func__, |
| 909 | result); |
| 910 | return result; |
| 911 | } |
| 912 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 913 | probe_task = task; |
| 914 | register_reboot_notifier(&nb); |
| 915 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 916 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 917 | return 0; |
| 918 | } |
| 919 | |
| 920 | /** |
| 921 | * ps3_register_devices - Probe the system and register devices found. |
| 922 | * |
| 923 | * A device_initcall() routine. |
| 924 | */ |
| 925 | |
| 926 | static int __init ps3_register_devices(void) |
| 927 | { |
| 928 | int result; |
| 929 | |
| 930 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) |
| 931 | return -ENODEV; |
| 932 | |
| 933 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 934 | |
| 935 | /* ps3_repository_dump_bus_info(); */ |
| 936 | |
| 937 | result = ps3_start_probe_thread(PS3_BUS_TYPE_STORAGE); |
| 938 | |
| 939 | ps3_register_vuart_devices(); |
| 940 | |
| 941 | ps3_register_graphics_devices(); |
| 942 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 943 | ps3_repository_find_devices(PS3_BUS_TYPE_SB, ps3_setup_static_device); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 944 | |
| 945 | ps3_register_sound_devices(); |
| 946 | |
Geoff Levand | ed75700 | 2008-01-19 07:32:38 +1100 | [diff] [blame] | 947 | ps3_register_lpm_devices(); |
| 948 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 949 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 950 | return 0; |
| 951 | } |
| 952 | |
| 953 | device_initcall(ps3_register_devices); |