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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 26 | #include <linux/slab.h> |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 27 | #include <linux/reboot.h> |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 28 | |
| 29 | #include <asm/firmware.h> |
| 30 | #include <asm/lv1call.h> |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 31 | #include <asm/ps3stor.h> |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 32 | |
| 33 | #include "platform.h" |
| 34 | |
Geoff Levand | ed75700 | 2008-01-19 07:32:38 +1100 | [diff] [blame] | 35 | static int __init ps3_register_lpm_devices(void) |
| 36 | { |
| 37 | int result; |
| 38 | u64 tmp1; |
| 39 | u64 tmp2; |
| 40 | struct ps3_system_bus_device *dev; |
| 41 | |
| 42 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 43 | |
| 44 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 45 | if (!dev) |
| 46 | return -ENOMEM; |
| 47 | |
| 48 | dev->match_id = PS3_MATCH_ID_LPM; |
| 49 | dev->dev_type = PS3_DEVICE_TYPE_LPM; |
| 50 | |
| 51 | /* The current lpm driver only supports a single BE processor. */ |
| 52 | |
| 53 | result = ps3_repository_read_be_node_id(0, &dev->lpm.node_id); |
| 54 | |
| 55 | if (result) { |
| 56 | pr_debug("%s:%d: ps3_repository_read_be_node_id failed \n", |
| 57 | __func__, __LINE__); |
| 58 | goto fail_read_repo; |
| 59 | } |
| 60 | |
| 61 | result = ps3_repository_read_lpm_privileges(dev->lpm.node_id, &tmp1, |
| 62 | &dev->lpm.rights); |
| 63 | |
| 64 | if (result) { |
| 65 | pr_debug("%s:%d: ps3_repository_read_lpm_privleges failed \n", |
| 66 | __func__, __LINE__); |
| 67 | goto fail_read_repo; |
| 68 | } |
| 69 | |
| 70 | lv1_get_logical_partition_id(&tmp2); |
| 71 | |
| 72 | if (tmp1 != tmp2) { |
| 73 | pr_debug("%s:%d: wrong lpar\n", |
| 74 | __func__, __LINE__); |
| 75 | result = -ENODEV; |
| 76 | goto fail_rights; |
| 77 | } |
| 78 | |
| 79 | if (!(dev->lpm.rights & PS3_LPM_RIGHTS_USE_LPM)) { |
| 80 | pr_debug("%s:%d: don't have rights to use lpm\n", |
| 81 | __func__, __LINE__); |
| 82 | result = -EPERM; |
| 83 | goto fail_rights; |
| 84 | } |
| 85 | |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 86 | pr_debug("%s:%d: pu_id %llu, rights %llu(%llxh)\n", |
Geoff Levand | ed75700 | 2008-01-19 07:32:38 +1100 | [diff] [blame] | 87 | __func__, __LINE__, dev->lpm.pu_id, dev->lpm.rights, |
| 88 | dev->lpm.rights); |
| 89 | |
| 90 | result = ps3_repository_read_pu_id(0, &dev->lpm.pu_id); |
| 91 | |
| 92 | if (result) { |
| 93 | pr_debug("%s:%d: ps3_repository_read_pu_id failed \n", |
| 94 | __func__, __LINE__); |
| 95 | goto fail_read_repo; |
| 96 | } |
| 97 | |
| 98 | result = ps3_system_bus_device_register(dev); |
| 99 | |
| 100 | if (result) { |
| 101 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 102 | __func__, __LINE__); |
| 103 | goto fail_register; |
| 104 | } |
| 105 | |
| 106 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 107 | return 0; |
| 108 | |
| 109 | |
| 110 | fail_register: |
| 111 | fail_rights: |
| 112 | fail_read_repo: |
| 113 | kfree(dev); |
| 114 | pr_debug(" <- %s:%d: failed\n", __func__, __LINE__); |
| 115 | return result; |
| 116 | } |
| 117 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 118 | /** |
| 119 | * ps3_setup_gelic_device - Setup and register a gelic device instance. |
| 120 | * |
| 121 | * Allocates memory for a struct ps3_system_bus_device instance, initialises the |
| 122 | * structure members, and registers the device instance with the system bus. |
| 123 | */ |
| 124 | |
| 125 | static int __init ps3_setup_gelic_device( |
| 126 | const struct ps3_repository_device *repo) |
| 127 | { |
| 128 | int result; |
| 129 | struct layout { |
| 130 | struct ps3_system_bus_device dev; |
| 131 | struct ps3_dma_region d_region; |
| 132 | } *p; |
| 133 | |
| 134 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 135 | |
| 136 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); |
| 137 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_GELIC); |
| 138 | |
| 139 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 140 | |
| 141 | if (!p) { |
| 142 | result = -ENOMEM; |
| 143 | goto fail_malloc; |
| 144 | } |
| 145 | |
| 146 | p->dev.match_id = PS3_MATCH_ID_GELIC; |
| 147 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; |
| 148 | p->dev.bus_id = repo->bus_id; |
| 149 | p->dev.dev_id = repo->dev_id; |
| 150 | p->dev.d_region = &p->d_region; |
| 151 | |
| 152 | result = ps3_repository_find_interrupt(repo, |
| 153 | PS3_INTERRUPT_TYPE_EVENT_PORT, &p->dev.interrupt_id); |
| 154 | |
| 155 | if (result) { |
| 156 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", |
| 157 | __func__, __LINE__); |
| 158 | goto fail_find_interrupt; |
| 159 | } |
| 160 | |
| 161 | BUG_ON(p->dev.interrupt_id != 0); |
| 162 | |
| 163 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, |
| 164 | PS3_DMA_OTHER, NULL, 0); |
| 165 | |
| 166 | if (result) { |
| 167 | pr_debug("%s:%d ps3_dma_region_init failed\n", |
| 168 | __func__, __LINE__); |
| 169 | goto fail_dma_init; |
| 170 | } |
| 171 | |
| 172 | result = ps3_system_bus_device_register(&p->dev); |
| 173 | |
| 174 | if (result) { |
| 175 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 176 | __func__, __LINE__); |
| 177 | goto fail_device_register; |
| 178 | } |
| 179 | |
| 180 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 181 | return result; |
| 182 | |
| 183 | fail_device_register: |
| 184 | fail_dma_init: |
| 185 | fail_find_interrupt: |
| 186 | kfree(p); |
| 187 | fail_malloc: |
| 188 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); |
| 189 | return result; |
| 190 | } |
| 191 | |
| 192 | static int __init_refok ps3_setup_uhc_device( |
| 193 | const struct ps3_repository_device *repo, enum ps3_match_id match_id, |
| 194 | enum ps3_interrupt_type interrupt_type, enum ps3_reg_type reg_type) |
| 195 | { |
| 196 | int result; |
| 197 | struct layout { |
| 198 | struct ps3_system_bus_device dev; |
| 199 | struct ps3_dma_region d_region; |
| 200 | struct ps3_mmio_region m_region; |
| 201 | } *p; |
| 202 | u64 bus_addr; |
| 203 | u64 len; |
| 204 | |
| 205 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 206 | |
| 207 | BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); |
| 208 | BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_USB); |
| 209 | |
| 210 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 211 | |
| 212 | if (!p) { |
| 213 | result = -ENOMEM; |
| 214 | goto fail_malloc; |
| 215 | } |
| 216 | |
| 217 | p->dev.match_id = match_id; |
| 218 | p->dev.dev_type = PS3_DEVICE_TYPE_SB; |
| 219 | p->dev.bus_id = repo->bus_id; |
| 220 | p->dev.dev_id = repo->dev_id; |
| 221 | p->dev.d_region = &p->d_region; |
| 222 | p->dev.m_region = &p->m_region; |
| 223 | |
| 224 | result = ps3_repository_find_interrupt(repo, |
| 225 | interrupt_type, &p->dev.interrupt_id); |
| 226 | |
| 227 | if (result) { |
| 228 | pr_debug("%s:%d ps3_repository_find_interrupt failed\n", |
| 229 | __func__, __LINE__); |
| 230 | goto fail_find_interrupt; |
| 231 | } |
| 232 | |
| 233 | result = ps3_repository_find_reg(repo, reg_type, |
| 234 | &bus_addr, &len); |
| 235 | |
| 236 | if (result) { |
| 237 | pr_debug("%s:%d ps3_repository_find_reg failed\n", |
| 238 | __func__, __LINE__); |
| 239 | goto fail_find_reg; |
| 240 | } |
| 241 | |
| 242 | result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, |
| 243 | PS3_DMA_INTERNAL, NULL, 0); |
| 244 | |
| 245 | if (result) { |
| 246 | pr_debug("%s:%d ps3_dma_region_init failed\n", |
| 247 | __func__, __LINE__); |
| 248 | goto fail_dma_init; |
| 249 | } |
| 250 | |
| 251 | result = ps3_mmio_region_init(&p->dev, p->dev.m_region, bus_addr, len, |
| 252 | PS3_MMIO_4K); |
| 253 | |
| 254 | if (result) { |
| 255 | pr_debug("%s:%d ps3_mmio_region_init failed\n", |
| 256 | __func__, __LINE__); |
| 257 | goto fail_mmio_init; |
| 258 | } |
| 259 | |
| 260 | result = ps3_system_bus_device_register(&p->dev); |
| 261 | |
| 262 | if (result) { |
| 263 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 264 | __func__, __LINE__); |
| 265 | goto fail_device_register; |
| 266 | } |
| 267 | |
| 268 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 269 | return result; |
| 270 | |
| 271 | fail_device_register: |
| 272 | fail_mmio_init: |
| 273 | fail_dma_init: |
| 274 | fail_find_reg: |
| 275 | fail_find_interrupt: |
| 276 | kfree(p); |
| 277 | fail_malloc: |
| 278 | pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); |
| 279 | return result; |
| 280 | } |
| 281 | |
| 282 | static int __init ps3_setup_ehci_device( |
| 283 | const struct ps3_repository_device *repo) |
| 284 | { |
| 285 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_EHCI, |
| 286 | PS3_INTERRUPT_TYPE_SB_EHCI, PS3_REG_TYPE_SB_EHCI); |
| 287 | } |
| 288 | |
| 289 | static int __init ps3_setup_ohci_device( |
| 290 | const struct ps3_repository_device *repo) |
| 291 | { |
| 292 | return ps3_setup_uhc_device(repo, PS3_MATCH_ID_OHCI, |
| 293 | PS3_INTERRUPT_TYPE_SB_OHCI, PS3_REG_TYPE_SB_OHCI); |
| 294 | } |
| 295 | |
| 296 | static int __init ps3_setup_vuart_device(enum ps3_match_id match_id, |
| 297 | unsigned int port_number) |
| 298 | { |
| 299 | int result; |
| 300 | struct layout { |
| 301 | struct ps3_system_bus_device dev; |
| 302 | } *p; |
| 303 | |
| 304 | pr_debug(" -> %s:%d: match_id %u, port %u\n", __func__, __LINE__, |
| 305 | match_id, port_number); |
| 306 | |
| 307 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 308 | |
| 309 | if (!p) |
| 310 | return -ENOMEM; |
| 311 | |
| 312 | p->dev.match_id = match_id; |
| 313 | p->dev.dev_type = PS3_DEVICE_TYPE_VUART; |
| 314 | p->dev.port_number = port_number; |
| 315 | |
| 316 | result = ps3_system_bus_device_register(&p->dev); |
| 317 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 318 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 319 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 320 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 321 | goto fail_device_register; |
| 322 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 323 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 324 | return 0; |
| 325 | |
| 326 | fail_device_register: |
| 327 | kfree(p); |
| 328 | pr_debug(" <- %s:%d fail\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 329 | return result; |
| 330 | } |
| 331 | |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 332 | static int ps3_setup_storage_dev(const struct ps3_repository_device *repo, |
| 333 | enum ps3_match_id match_id) |
| 334 | { |
| 335 | int result; |
| 336 | struct ps3_storage_device *p; |
| 337 | u64 port, blk_size, num_blocks; |
| 338 | unsigned int num_regions, i; |
| 339 | |
| 340 | pr_debug(" -> %s:%u: match_id %u\n", __func__, __LINE__, match_id); |
| 341 | |
| 342 | result = ps3_repository_read_stor_dev_info(repo->bus_index, |
| 343 | repo->dev_index, &port, |
| 344 | &blk_size, &num_blocks, |
| 345 | &num_regions); |
| 346 | if (result) { |
| 347 | printk(KERN_ERR "%s:%u: _read_stor_dev_info failed %d\n", |
| 348 | __func__, __LINE__, result); |
| 349 | return -ENODEV; |
| 350 | } |
| 351 | |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 352 | pr_debug("%s:%u: (%u:%u:%u): port %llu blk_size %llu num_blocks %llu " |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 353 | "num_regions %u\n", __func__, __LINE__, repo->bus_index, |
Geoff Levand | 75cdff9 | 2007-09-12 18:43:17 +1000 | [diff] [blame] | 354 | repo->dev_index, repo->dev_type, port, blk_size, num_blocks, |
| 355 | num_regions); |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 356 | |
| 357 | p = kzalloc(sizeof(struct ps3_storage_device) + |
| 358 | num_regions * sizeof(struct ps3_storage_region), |
| 359 | GFP_KERNEL); |
| 360 | if (!p) { |
| 361 | result = -ENOMEM; |
| 362 | goto fail_malloc; |
| 363 | } |
| 364 | |
| 365 | p->sbd.match_id = match_id; |
| 366 | p->sbd.dev_type = PS3_DEVICE_TYPE_SB; |
| 367 | p->sbd.bus_id = repo->bus_id; |
| 368 | p->sbd.dev_id = repo->dev_id; |
| 369 | p->sbd.d_region = &p->dma_region; |
| 370 | p->blk_size = blk_size; |
| 371 | p->num_regions = num_regions; |
| 372 | |
| 373 | result = ps3_repository_find_interrupt(repo, |
| 374 | PS3_INTERRUPT_TYPE_EVENT_PORT, |
| 375 | &p->sbd.interrupt_id); |
| 376 | if (result) { |
| 377 | printk(KERN_ERR "%s:%u: find_interrupt failed %d\n", __func__, |
| 378 | __LINE__, result); |
| 379 | result = -ENODEV; |
| 380 | goto fail_find_interrupt; |
| 381 | } |
| 382 | |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 383 | for (i = 0; i < num_regions; i++) { |
| 384 | unsigned int id; |
| 385 | u64 start, size; |
| 386 | |
| 387 | result = ps3_repository_read_stor_dev_region(repo->bus_index, |
| 388 | repo->dev_index, |
| 389 | i, &id, &start, |
| 390 | &size); |
| 391 | if (result) { |
| 392 | printk(KERN_ERR |
| 393 | "%s:%u: read_stor_dev_region failed %d\n", |
| 394 | __func__, __LINE__, result); |
| 395 | result = -ENODEV; |
| 396 | goto fail_read_region; |
| 397 | } |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 398 | pr_debug("%s:%u: region %u: id %u start %llu size %llu\n", |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 399 | __func__, __LINE__, i, id, start, size); |
| 400 | |
| 401 | p->regions[i].id = id; |
| 402 | p->regions[i].start = start; |
| 403 | p->regions[i].size = size; |
| 404 | } |
| 405 | |
| 406 | result = ps3_system_bus_device_register(&p->sbd); |
| 407 | if (result) { |
| 408 | pr_debug("%s:%u ps3_system_bus_device_register failed\n", |
| 409 | __func__, __LINE__); |
| 410 | goto fail_device_register; |
| 411 | } |
| 412 | |
| 413 | pr_debug(" <- %s:%u\n", __func__, __LINE__); |
| 414 | return 0; |
| 415 | |
| 416 | fail_device_register: |
| 417 | fail_read_region: |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 418 | fail_find_interrupt: |
| 419 | kfree(p); |
| 420 | fail_malloc: |
| 421 | pr_debug(" <- %s:%u: fail.\n", __func__, __LINE__); |
| 422 | return result; |
| 423 | } |
| 424 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 425 | static int __init ps3_register_vuart_devices(void) |
| 426 | { |
| 427 | int result; |
| 428 | unsigned int port_number; |
| 429 | |
| 430 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 431 | |
| 432 | result = ps3_repository_read_vuart_av_port(&port_number); |
| 433 | if (result) |
| 434 | port_number = 0; /* av default */ |
| 435 | |
| 436 | result = ps3_setup_vuart_device(PS3_MATCH_ID_AV_SETTINGS, port_number); |
| 437 | WARN_ON(result); |
| 438 | |
| 439 | result = ps3_repository_read_vuart_sysmgr_port(&port_number); |
| 440 | if (result) |
| 441 | port_number = 2; /* sysmgr default */ |
| 442 | |
| 443 | result = ps3_setup_vuart_device(PS3_MATCH_ID_SYSTEM_MANAGER, |
| 444 | port_number); |
| 445 | WARN_ON(result); |
| 446 | |
| 447 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 448 | return result; |
| 449 | } |
| 450 | |
| 451 | static int __init ps3_register_sound_devices(void) |
| 452 | { |
| 453 | int result; |
| 454 | struct layout { |
| 455 | struct ps3_system_bus_device dev; |
| 456 | struct ps3_dma_region d_region; |
| 457 | struct ps3_mmio_region m_region; |
| 458 | } *p; |
| 459 | |
| 460 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 461 | |
| 462 | p = kzalloc(sizeof(*p), GFP_KERNEL); |
| 463 | if (!p) |
| 464 | return -ENOMEM; |
| 465 | |
| 466 | p->dev.match_id = PS3_MATCH_ID_SOUND; |
| 467 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
| 468 | p->dev.d_region = &p->d_region; |
| 469 | p->dev.m_region = &p->m_region; |
| 470 | |
| 471 | result = ps3_system_bus_device_register(&p->dev); |
| 472 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 473 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 474 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 475 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 476 | goto fail_device_register; |
| 477 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 478 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 479 | return 0; |
| 480 | |
| 481 | fail_device_register: |
| 482 | kfree(p); |
| 483 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 484 | return result; |
| 485 | } |
| 486 | |
| 487 | static int __init ps3_register_graphics_devices(void) |
| 488 | { |
| 489 | int result; |
| 490 | struct layout { |
| 491 | struct ps3_system_bus_device dev; |
| 492 | } *p; |
| 493 | |
| 494 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 495 | |
| 496 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 497 | |
| 498 | if (!p) |
| 499 | return -ENOMEM; |
| 500 | |
Geert Uytterhoeven | 46d0149 | 2008-12-03 13:52:21 +0000 | [diff] [blame] | 501 | p->dev.match_id = PS3_MATCH_ID_GPU; |
| 502 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_FB; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 503 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
| 504 | |
| 505 | result = ps3_system_bus_device_register(&p->dev); |
| 506 | |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 507 | if (result) { |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 508 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 509 | __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 510 | goto fail_device_register; |
| 511 | } |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 512 | |
| 513 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
Masakazu Mokuno | d4ad304 | 2008-10-30 08:17:18 +0000 | [diff] [blame] | 514 | return 0; |
| 515 | |
| 516 | fail_device_register: |
| 517 | kfree(p); |
| 518 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 519 | return result; |
| 520 | } |
| 521 | |
Jim Paris | cffb4add | 2009-01-06 11:32:10 +0000 | [diff] [blame] | 522 | static int __init ps3_register_ramdisk_device(void) |
| 523 | { |
| 524 | int result; |
| 525 | struct layout { |
| 526 | struct ps3_system_bus_device dev; |
| 527 | } *p; |
| 528 | |
| 529 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 530 | |
| 531 | p = kzalloc(sizeof(struct layout), GFP_KERNEL); |
| 532 | |
| 533 | if (!p) |
| 534 | return -ENOMEM; |
| 535 | |
| 536 | p->dev.match_id = PS3_MATCH_ID_GPU; |
| 537 | p->dev.match_sub_id = PS3_MATCH_SUB_ID_GPU_RAMDISK; |
| 538 | p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; |
| 539 | |
| 540 | result = ps3_system_bus_device_register(&p->dev); |
| 541 | |
| 542 | if (result) { |
| 543 | pr_debug("%s:%d ps3_system_bus_device_register failed\n", |
| 544 | __func__, __LINE__); |
| 545 | goto fail_device_register; |
| 546 | } |
| 547 | |
| 548 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 549 | return 0; |
| 550 | |
| 551 | fail_device_register: |
| 552 | kfree(p); |
| 553 | pr_debug(" <- %s:%d failed\n", __func__, __LINE__); |
| 554 | return result; |
| 555 | } |
| 556 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 557 | /** |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 558 | * ps3_setup_dynamic_device - Setup a dynamic device from the repository |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 559 | */ |
| 560 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 561 | static int ps3_setup_dynamic_device(const struct ps3_repository_device *repo) |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 562 | { |
| 563 | int result; |
| 564 | |
| 565 | switch (repo->dev_type) { |
Geert Uytterhoeven | a5c631b | 2007-06-22 00:14:22 +1000 | [diff] [blame] | 566 | case PS3_DEV_TYPE_STOR_DISK: |
| 567 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); |
| 568 | |
| 569 | /* Some devices are not accessable from the Other OS lpar. */ |
| 570 | if (result == -ENODEV) { |
| 571 | result = 0; |
| 572 | pr_debug("%s:%u: not accessable\n", __func__, |
| 573 | __LINE__); |
| 574 | } |
| 575 | |
| 576 | if (result) |
| 577 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 578 | __func__, __LINE__); |
| 579 | break; |
| 580 | |
| 581 | case PS3_DEV_TYPE_STOR_ROM: |
| 582 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_ROM); |
| 583 | if (result) |
| 584 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 585 | __func__, __LINE__); |
| 586 | break; |
| 587 | |
| 588 | case PS3_DEV_TYPE_STOR_FLASH: |
| 589 | result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_FLASH); |
| 590 | if (result) |
| 591 | pr_debug("%s:%u ps3_setup_storage_dev failed\n", |
| 592 | __func__, __LINE__); |
| 593 | break; |
| 594 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 595 | default: |
| 596 | result = 0; |
| 597 | pr_debug("%s:%u: unsupported dev_type %u\n", __func__, __LINE__, |
| 598 | repo->dev_type); |
| 599 | } |
| 600 | |
| 601 | return result; |
| 602 | } |
| 603 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 604 | /** |
| 605 | * ps3_setup_static_device - Setup a static device from the repository |
| 606 | */ |
| 607 | |
| 608 | static int __init ps3_setup_static_device(const struct ps3_repository_device *repo) |
| 609 | { |
| 610 | int result; |
| 611 | |
| 612 | switch (repo->dev_type) { |
| 613 | case PS3_DEV_TYPE_SB_GELIC: |
| 614 | result = ps3_setup_gelic_device(repo); |
| 615 | if (result) { |
| 616 | pr_debug("%s:%d ps3_setup_gelic_device failed\n", |
| 617 | __func__, __LINE__); |
| 618 | } |
| 619 | break; |
| 620 | case PS3_DEV_TYPE_SB_USB: |
| 621 | |
| 622 | /* Each USB device has both an EHCI and an OHCI HC */ |
| 623 | |
| 624 | result = ps3_setup_ehci_device(repo); |
| 625 | |
| 626 | if (result) { |
| 627 | pr_debug("%s:%d ps3_setup_ehci_device failed\n", |
| 628 | __func__, __LINE__); |
| 629 | } |
| 630 | |
| 631 | result = ps3_setup_ohci_device(repo); |
| 632 | |
| 633 | if (result) { |
| 634 | pr_debug("%s:%d ps3_setup_ohci_device failed\n", |
| 635 | __func__, __LINE__); |
| 636 | } |
| 637 | break; |
| 638 | |
| 639 | default: |
| 640 | return ps3_setup_dynamic_device(repo); |
| 641 | } |
| 642 | |
| 643 | return result; |
| 644 | } |
| 645 | |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 646 | static void ps3_find_and_add_device(u64 bus_id, u64 dev_id) |
| 647 | { |
| 648 | struct ps3_repository_device repo; |
| 649 | int res; |
| 650 | unsigned int retries; |
| 651 | unsigned long rem; |
| 652 | |
| 653 | /* |
| 654 | * On some firmware versions (e.g. 1.90), the device may not show up |
| 655 | * in the repository immediately |
| 656 | */ |
| 657 | for (retries = 0; retries < 10; retries++) { |
| 658 | res = ps3_repository_find_device_by_id(&repo, bus_id, dev_id); |
| 659 | if (!res) |
| 660 | goto found; |
| 661 | |
| 662 | rem = msleep_interruptible(100); |
| 663 | if (rem) |
| 664 | break; |
| 665 | } |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 666 | pr_warning("%s:%u: device %llu:%llu not found\n", __func__, __LINE__, |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 667 | bus_id, dev_id); |
| 668 | return; |
| 669 | |
| 670 | found: |
| 671 | if (retries) |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 672 | pr_debug("%s:%u: device %llu:%llu found after %u retries\n", |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 673 | __func__, __LINE__, bus_id, dev_id, retries); |
| 674 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 675 | ps3_setup_dynamic_device(&repo); |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 676 | return; |
| 677 | } |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 678 | |
| 679 | #define PS3_NOTIFICATION_DEV_ID ULONG_MAX |
| 680 | #define PS3_NOTIFICATION_INTERRUPT_ID 0 |
| 681 | |
| 682 | struct ps3_notification_device { |
| 683 | struct ps3_system_bus_device sbd; |
| 684 | spinlock_t lock; |
| 685 | u64 tag; |
| 686 | u64 lv1_status; |
| 687 | struct completion done; |
| 688 | }; |
| 689 | |
| 690 | enum ps3_notify_type { |
| 691 | notify_device_ready = 0, |
| 692 | notify_region_probe = 1, |
| 693 | notify_region_update = 2, |
| 694 | }; |
| 695 | |
| 696 | struct ps3_notify_cmd { |
| 697 | u64 operation_code; /* must be zero */ |
| 698 | u64 event_mask; /* OR of 1UL << enum ps3_notify_type */ |
| 699 | }; |
| 700 | |
| 701 | struct ps3_notify_event { |
| 702 | u64 event_type; /* enum ps3_notify_type */ |
| 703 | u64 bus_id; |
| 704 | u64 dev_id; |
| 705 | u64 dev_type; |
| 706 | u64 dev_port; |
| 707 | }; |
| 708 | |
| 709 | static irqreturn_t ps3_notification_interrupt(int irq, void *data) |
| 710 | { |
| 711 | struct ps3_notification_device *dev = data; |
| 712 | int res; |
| 713 | u64 tag, status; |
| 714 | |
| 715 | spin_lock(&dev->lock); |
| 716 | res = lv1_storage_get_async_status(PS3_NOTIFICATION_DEV_ID, &tag, |
| 717 | &status); |
| 718 | if (tag != dev->tag) |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 719 | pr_err("%s:%u: tag mismatch, got %llx, expected %llx\n", |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 720 | __func__, __LINE__, tag, dev->tag); |
| 721 | |
| 722 | if (res) { |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 723 | pr_err("%s:%u: res %d status 0x%llx\n", __func__, __LINE__, res, |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 724 | status); |
| 725 | } else { |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 726 | pr_debug("%s:%u: completed, status 0x%llx\n", __func__, |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 727 | __LINE__, status); |
| 728 | dev->lv1_status = status; |
| 729 | complete(&dev->done); |
| 730 | } |
| 731 | spin_unlock(&dev->lock); |
| 732 | return IRQ_HANDLED; |
| 733 | } |
| 734 | |
| 735 | static int ps3_notification_read_write(struct ps3_notification_device *dev, |
| 736 | u64 lpar, int write) |
| 737 | { |
| 738 | const char *op = write ? "write" : "read"; |
| 739 | unsigned long flags; |
| 740 | int res; |
| 741 | |
| 742 | init_completion(&dev->done); |
| 743 | spin_lock_irqsave(&dev->lock, flags); |
| 744 | res = write ? lv1_storage_write(dev->sbd.dev_id, 0, 0, 1, 0, lpar, |
| 745 | &dev->tag) |
| 746 | : lv1_storage_read(dev->sbd.dev_id, 0, 0, 1, 0, lpar, |
| 747 | &dev->tag); |
| 748 | spin_unlock_irqrestore(&dev->lock, flags); |
| 749 | if (res) { |
| 750 | pr_err("%s:%u: %s failed %d\n", __func__, __LINE__, op, res); |
| 751 | return -EPERM; |
| 752 | } |
| 753 | pr_debug("%s:%u: notification %s issued\n", __func__, __LINE__, op); |
| 754 | |
| 755 | res = wait_event_interruptible(dev->done.wait, |
| 756 | dev->done.done || kthread_should_stop()); |
| 757 | if (kthread_should_stop()) |
| 758 | res = -EINTR; |
| 759 | if (res) { |
| 760 | pr_debug("%s:%u: interrupted %s\n", __func__, __LINE__, op); |
| 761 | return res; |
| 762 | } |
| 763 | |
| 764 | if (dev->lv1_status) { |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 765 | pr_err("%s:%u: %s not completed, status 0x%llx\n", __func__, |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 766 | __LINE__, op, dev->lv1_status); |
| 767 | return -EIO; |
| 768 | } |
| 769 | pr_debug("%s:%u: notification %s completed\n", __func__, __LINE__, op); |
| 770 | |
| 771 | return 0; |
| 772 | } |
| 773 | |
| 774 | static struct task_struct *probe_task; |
| 775 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 776 | /** |
| 777 | * ps3_probe_thread - Background repository probing at system startup. |
| 778 | * |
| 779 | * This implementation only supports background probing on a single bus. |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 780 | * It uses the hypervisor's storage device notification mechanism to wait until |
| 781 | * a storage device is ready. The device notification mechanism uses a |
| 782 | * pseudo device to asynchronously notify the guest when storage devices become |
| 783 | * ready. The notification device has a block size of 512 bytes. |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 784 | */ |
| 785 | |
| 786 | static int ps3_probe_thread(void *data) |
| 787 | { |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 788 | struct ps3_notification_device dev; |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 789 | int res; |
| 790 | unsigned int irq; |
| 791 | u64 lpar; |
| 792 | void *buf; |
| 793 | struct ps3_notify_cmd *notify_cmd; |
| 794 | struct ps3_notify_event *notify_event; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 795 | |
| 796 | pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__); |
| 797 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 798 | buf = kzalloc(512, GFP_KERNEL); |
| 799 | if (!buf) |
| 800 | return -ENOMEM; |
| 801 | |
| 802 | lpar = ps3_mm_phys_to_lpar(__pa(buf)); |
| 803 | notify_cmd = buf; |
| 804 | notify_event = buf; |
| 805 | |
| 806 | /* dummy system bus device */ |
| 807 | dev.sbd.bus_id = (u64)data; |
| 808 | dev.sbd.dev_id = PS3_NOTIFICATION_DEV_ID; |
| 809 | dev.sbd.interrupt_id = PS3_NOTIFICATION_INTERRUPT_ID; |
| 810 | |
| 811 | res = lv1_open_device(dev.sbd.bus_id, dev.sbd.dev_id, 0); |
| 812 | if (res) { |
| 813 | pr_err("%s:%u: lv1_open_device failed %s\n", __func__, |
| 814 | __LINE__, ps3_result(res)); |
| 815 | goto fail_free; |
| 816 | } |
| 817 | |
| 818 | res = ps3_sb_event_receive_port_setup(&dev.sbd, PS3_BINDING_CPU_ANY, |
| 819 | &irq); |
| 820 | if (res) { |
| 821 | pr_err("%s:%u: ps3_sb_event_receive_port_setup failed %d\n", |
| 822 | __func__, __LINE__, res); |
| 823 | goto fail_close_device; |
| 824 | } |
| 825 | |
| 826 | spin_lock_init(&dev.lock); |
| 827 | |
| 828 | res = request_irq(irq, ps3_notification_interrupt, IRQF_DISABLED, |
| 829 | "ps3_notification", &dev); |
| 830 | if (res) { |
| 831 | pr_err("%s:%u: request_irq failed %d\n", __func__, __LINE__, |
| 832 | res); |
| 833 | goto fail_sb_event_receive_port_destroy; |
| 834 | } |
| 835 | |
| 836 | /* Setup and write the request for device notification. */ |
| 837 | notify_cmd->operation_code = 0; /* must be zero */ |
| 838 | notify_cmd->event_mask = 1UL << notify_region_probe; |
| 839 | |
| 840 | res = ps3_notification_read_write(&dev, lpar, 1); |
| 841 | if (res) |
| 842 | goto fail_free_irq; |
| 843 | |
| 844 | /* Loop here processing the requested notification events. */ |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 845 | do { |
| 846 | try_to_freeze(); |
| 847 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 848 | memset(notify_event, 0, sizeof(*notify_event)); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 849 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 850 | res = ps3_notification_read_write(&dev, lpar, 0); |
| 851 | if (res) |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 852 | break; |
| 853 | |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 854 | pr_debug("%s:%u: notify event type 0x%llx bus id %llu dev id %llu" |
| 855 | " type %llu port %llu\n", __func__, __LINE__, |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 856 | notify_event->event_type, notify_event->bus_id, |
| 857 | notify_event->dev_id, notify_event->dev_type, |
| 858 | notify_event->dev_port); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 859 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 860 | if (notify_event->event_type != notify_region_probe || |
| 861 | notify_event->bus_id != dev.sbd.bus_id) { |
Stephen Rothwell | 5c94907 | 2009-01-13 20:02:39 +0000 | [diff] [blame] | 862 | pr_warning("%s:%u: bad notify_event: event %llu, " |
| 863 | "dev_id %llu, dev_type %llu\n", |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 864 | __func__, __LINE__, notify_event->event_type, |
| 865 | notify_event->dev_id, |
| 866 | notify_event->dev_type); |
| 867 | continue; |
| 868 | } |
| 869 | |
Geert Uytterhoeven | 972b1f0 | 2008-01-19 07:30:53 +1100 | [diff] [blame] | 870 | 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] | 871 | |
| 872 | } while (!kthread_should_stop()); |
| 873 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 874 | fail_free_irq: |
| 875 | free_irq(irq, &dev); |
| 876 | fail_sb_event_receive_port_destroy: |
| 877 | ps3_sb_event_receive_port_destroy(&dev.sbd, irq); |
| 878 | fail_close_device: |
| 879 | lv1_close_device(dev.sbd.bus_id, dev.sbd.dev_id); |
| 880 | fail_free: |
| 881 | kfree(buf); |
| 882 | |
| 883 | probe_task = NULL; |
| 884 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 885 | pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__); |
| 886 | |
| 887 | return 0; |
| 888 | } |
| 889 | |
| 890 | /** |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 891 | * ps3_stop_probe_thread - Stops the background probe thread. |
| 892 | * |
| 893 | */ |
| 894 | |
| 895 | static int ps3_stop_probe_thread(struct notifier_block *nb, unsigned long code, |
| 896 | void *data) |
| 897 | { |
| 898 | if (probe_task) |
| 899 | kthread_stop(probe_task); |
| 900 | return 0; |
| 901 | } |
| 902 | |
| 903 | static struct notifier_block nb = { |
| 904 | .notifier_call = ps3_stop_probe_thread |
| 905 | }; |
| 906 | |
| 907 | /** |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 908 | * ps3_start_probe_thread - Starts the background probe thread. |
| 909 | * |
| 910 | */ |
| 911 | |
| 912 | static int __init ps3_start_probe_thread(enum ps3_bus_type bus_type) |
| 913 | { |
| 914 | int result; |
| 915 | struct task_struct *task; |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 916 | struct ps3_repository_device repo; |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 917 | |
| 918 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 919 | |
| 920 | memset(&repo, 0, sizeof(repo)); |
| 921 | |
| 922 | repo.bus_type = bus_type; |
| 923 | |
| 924 | result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); |
| 925 | |
| 926 | if (result) { |
| 927 | printk(KERN_ERR "%s: Cannot find bus (%d)\n", __func__, result); |
| 928 | return -ENODEV; |
| 929 | } |
| 930 | |
| 931 | result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); |
| 932 | |
| 933 | if (result) { |
| 934 | printk(KERN_ERR "%s: read_bus_id failed %d\n", __func__, |
| 935 | result); |
| 936 | return -ENODEV; |
| 937 | } |
| 938 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 939 | task = kthread_run(ps3_probe_thread, (void *)repo.bus_id, |
| 940 | "ps3-probe-%u", bus_type); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 941 | |
| 942 | if (IS_ERR(task)) { |
| 943 | result = PTR_ERR(task); |
| 944 | printk(KERN_ERR "%s: kthread_run failed %d\n", __func__, |
| 945 | result); |
| 946 | return result; |
| 947 | } |
| 948 | |
Geert Uytterhoeven | b4cb294 | 2008-01-19 07:30:40 +1100 | [diff] [blame] | 949 | probe_task = task; |
| 950 | register_reboot_notifier(&nb); |
| 951 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 952 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 953 | return 0; |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * ps3_register_devices - Probe the system and register devices found. |
| 958 | * |
| 959 | * A device_initcall() routine. |
| 960 | */ |
| 961 | |
| 962 | static int __init ps3_register_devices(void) |
| 963 | { |
| 964 | int result; |
| 965 | |
| 966 | if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) |
| 967 | return -ENODEV; |
| 968 | |
| 969 | pr_debug(" -> %s:%d\n", __func__, __LINE__); |
| 970 | |
| 971 | /* ps3_repository_dump_bus_info(); */ |
| 972 | |
| 973 | result = ps3_start_probe_thread(PS3_BUS_TYPE_STORAGE); |
| 974 | |
| 975 | ps3_register_vuart_devices(); |
| 976 | |
| 977 | ps3_register_graphics_devices(); |
| 978 | |
Geert Uytterhoeven | b163a25 | 2008-03-29 03:53:38 +1100 | [diff] [blame] | 979 | ps3_repository_find_devices(PS3_BUS_TYPE_SB, ps3_setup_static_device); |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 980 | |
| 981 | ps3_register_sound_devices(); |
| 982 | |
Geoff Levand | ed75700 | 2008-01-19 07:32:38 +1100 | [diff] [blame] | 983 | ps3_register_lpm_devices(); |
| 984 | |
Jim Paris | cffb4add | 2009-01-06 11:32:10 +0000 | [diff] [blame] | 985 | ps3_register_ramdisk_device(); |
| 986 | |
Geoff Levand | ffbdd24 | 2007-06-16 08:05:53 +1000 | [diff] [blame] | 987 | pr_debug(" <- %s:%d\n", __func__, __LINE__); |
| 988 | return 0; |
| 989 | } |
| 990 | |
| 991 | device_initcall(ps3_register_devices); |