include/asm-powerpc/ps3.h

   1 /*
   2  *  PS3 platform declarations.
   3  *
   4  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
   5  *  Copyright 2006 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 #if !defined(_ASM_POWERPC_PS3_H)
  22 #define _ASM_POWERPC_PS3_H
  23
  24 #include <linux/compiler.h> /* for __deprecated */
  25 #include <linux/init.h>
  26 #include <linux/types.h>
  27 #include <linux/device.h>
  28
  29 /**
  30  * struct ps3_device_id - HV bus device identifier from the system repository
  31  * @bus_id: HV bus id, {1..} (zero invalid)
  32  * @dev_id: HV device id, {0..}
  33  */
  34
  35 struct ps3_device_id {
  36         unsigned int bus_id;
  37         unsigned int dev_id;
  38 };
  39
  40
  41 /* dma routines */
  42
  43 enum ps3_dma_page_size {
  44         PS3_DMA_4K = 12U,
  45         PS3_DMA_64K = 16U,
  46         PS3_DMA_1M = 20U,
  47         PS3_DMA_16M = 24U,
  48 };
  49
  50 enum ps3_dma_region_type {
  51         PS3_DMA_OTHER = 0,
  52         PS3_DMA_INTERNAL = 2,
  53 };
  54
  55 /**
  56  * struct ps3_dma_region - A per device dma state variables structure
  57  * @did: The HV device id.
  58  * @page_size: The ioc pagesize.
  59  * @region_type: The HV region type.
  60  * @bus_addr: The 'translated' bus address of the region.
  61  * @len: The length in bytes of the region.
  62  * @chunk_list: Opaque variable used by the ioc page manager.
  63  */
  64
  65 struct ps3_dma_region {
  66         struct ps3_device_id did;
  67         enum ps3_dma_page_size page_size;
  68         enum ps3_dma_region_type region_type;
  69         unsigned long bus_addr;
  70         unsigned long len;
  71         struct {
  72                 spinlock_t lock;
  73                 struct list_head head;
  74         } chunk_list;
  75 };
  76
  77 /**
  78  * struct ps3_dma_region_init - Helper to initialize structure variables
  79  *
  80  * Helper to properly initialize variables prior to calling
  81  * ps3_system_bus_device_register.
  82  */
  83
  84 static inline void ps3_dma_region_init(struct ps3_dma_region *r,
  85         const struct ps3_device_id* did, enum ps3_dma_page_size page_size,
  86         enum ps3_dma_region_type region_type)
  87 {
  88         r->did = *did;
  89         r->page_size = page_size;
  90         r->region_type = region_type;
  91 }
  92 int ps3_dma_region_create(struct ps3_dma_region *r);
  93 int ps3_dma_region_free(struct ps3_dma_region *r);
  94 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
  95         unsigned long len, unsigned long *bus_addr);
  96 int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr,
  97         unsigned long len);
  98
  99 /* mmio routines */
 100
 101 enum ps3_mmio_page_size {
 102         PS3_MMIO_4K = 12U,
 103         PS3_MMIO_64K = 16U
 104 };
 105
 106 /**
 107  * struct ps3_mmio_region - a per device mmio state variables structure
 108  *
 109  * Current systems can be supported with a single region per device.
 110  */
 111
 112 struct ps3_mmio_region {
 113         struct ps3_device_id did;
 114         unsigned long bus_addr;
 115         unsigned long len;
 116         enum ps3_mmio_page_size page_size;
 117         unsigned long lpar_addr;
 118 };
 119
 120 /**
 121  * struct ps3_mmio_region_init - Helper to initialize structure variables
 122  *
 123  * Helper to properly initialize variables prior to calling
 124  * ps3_system_bus_device_register.
 125  */
 126
 127 static inline void ps3_mmio_region_init(struct ps3_mmio_region *r,
 128         const struct ps3_device_id* did, unsigned long bus_addr,
 129         unsigned long len, enum ps3_mmio_page_size page_size)
 130 {
 131         r->did = *did;
 132         r->bus_addr = bus_addr;
 133         r->len = len;
 134         r->page_size = page_size;
 135 }
 136 int ps3_mmio_region_create(struct ps3_mmio_region *r);
 137 int ps3_free_mmio_region(struct ps3_mmio_region *r);
 138 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
 139
 140 /* inrerrupt routines */
 141
 142 int ps3_alloc_io_irq(unsigned int interrupt_id, unsigned int *virq);
 143 int ps3_free_io_irq(unsigned int virq);
 144 int ps3_alloc_event_irq(unsigned int *virq);
 145 int ps3_free_event_irq(unsigned int virq);
 146 int ps3_send_event_locally(unsigned int virq);
 147 int ps3_connect_event_irq(const struct ps3_device_id *did,
 148         unsigned int interrupt_id, unsigned int *virq);
 149 int ps3_disconnect_event_irq(const struct ps3_device_id *did,
 150         unsigned int interrupt_id, unsigned int virq);
 151 int ps3_alloc_vuart_irq(void* virt_addr_bmp, unsigned int *virq);
 152 int ps3_free_vuart_irq(unsigned int virq);
 153 int ps3_alloc_spe_irq(unsigned long spe_id, unsigned int class,
 154         unsigned int *virq);
 155 int ps3_free_spe_irq(unsigned int virq);
 156
 157 /* lv1 result codes */
 158
 159 enum lv1_result {
 160         LV1_SUCCESS                     = 0,
 161         /* not used                       -1 */
 162         LV1_RESOURCE_SHORTAGE           = -2,
 163         LV1_NO_PRIVILEGE                = -3,
 164         LV1_DENIED_BY_POLICY            = -4,
 165         LV1_ACCESS_VIOLATION            = -5,
 166         LV1_NO_ENTRY                    = -6,
 167         LV1_DUPLICATE_ENTRY             = -7,
 168         LV1_TYPE_MISMATCH               = -8,
 169         LV1_BUSY                        = -9,
 170         LV1_EMPTY                       = -10,
 171         LV1_WRONG_STATE                 = -11,
 172         /* not used                       -12 */
 173         LV1_NO_MATCH                    = -13,
 174         LV1_ALREADY_CONNECTED           = -14,
 175         LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
 176         LV1_CONDITION_NOT_SATISFIED     = -16,
 177         LV1_ILLEGAL_PARAMETER_VALUE     = -17,
 178         LV1_BAD_OPTION                  = -18,
 179         LV1_IMPLEMENTATION_LIMITATION   = -19,
 180         LV1_NOT_IMPLEMENTED             = -20,
 181         LV1_INVALID_CLASS_ID            = -21,
 182         LV1_CONSTRAINT_NOT_SATISFIED    = -22,
 183         LV1_ALIGNMENT_ERROR             = -23,
 184         LV1_INTERNAL_ERROR              = -32768,
 185 };
 186
 187 static inline const char* ps3_result(int result)
 188 {
 189 #if defined(DEBUG)
 190         switch (result) {
 191         case LV1_SUCCESS:
 192                 return "LV1_SUCCESS (0)";
 193         case -1:
 194                 return "** unknown result ** (-1)";
 195         case LV1_RESOURCE_SHORTAGE:
 196                 return "LV1_RESOURCE_SHORTAGE (-2)";
 197         case LV1_NO_PRIVILEGE:
 198                 return "LV1_NO_PRIVILEGE (-3)";
 199         case LV1_DENIED_BY_POLICY:
 200                 return "LV1_DENIED_BY_POLICY (-4)";
 201         case LV1_ACCESS_VIOLATION:
 202                 return "LV1_ACCESS_VIOLATION (-5)";
 203         case LV1_NO_ENTRY:
 204                 return "LV1_NO_ENTRY (-6)";
 205         case LV1_DUPLICATE_ENTRY:
 206                 return "LV1_DUPLICATE_ENTRY (-7)";
 207         case LV1_TYPE_MISMATCH:
 208                 return "LV1_TYPE_MISMATCH (-8)";
 209         case LV1_BUSY:
 210                 return "LV1_BUSY (-9)";
 211         case LV1_EMPTY:
 212                 return "LV1_EMPTY (-10)";
 213         case LV1_WRONG_STATE:
 214                 return "LV1_WRONG_STATE (-11)";
 215         case -12:
 216                 return "** unknown result ** (-12)";
 217         case LV1_NO_MATCH:
 218                 return "LV1_NO_MATCH (-13)";
 219         case LV1_ALREADY_CONNECTED:
 220                 return "LV1_ALREADY_CONNECTED (-14)";
 221         case LV1_UNSUPPORTED_PARAMETER_VALUE:
 222                 return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
 223         case LV1_CONDITION_NOT_SATISFIED:
 224                 return "LV1_CONDITION_NOT_SATISFIED (-16)";
 225         case LV1_ILLEGAL_PARAMETER_VALUE:
 226                 return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
 227         case LV1_BAD_OPTION:
 228                 return "LV1_BAD_OPTION (-18)";
 229         case LV1_IMPLEMENTATION_LIMITATION:
 230                 return "LV1_IMPLEMENTATION_LIMITATION (-19)";
 231         case LV1_NOT_IMPLEMENTED:
 232                 return "LV1_NOT_IMPLEMENTED (-20)";
 233         case LV1_INVALID_CLASS_ID:
 234                 return "LV1_INVALID_CLASS_ID (-21)";
 235         case LV1_CONSTRAINT_NOT_SATISFIED:
 236                 return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
 237         case LV1_ALIGNMENT_ERROR:
 238                 return "LV1_ALIGNMENT_ERROR (-23)";
 239         case LV1_INTERNAL_ERROR:
 240                 return "LV1_INTERNAL_ERROR (-32768)";
 241         default:
 242                 BUG();
 243                 return "** unknown result **";
 244         };
 245 #else
 246         return "";
 247 #endif
 248 }
 249
 250 /* repository bus info */
 251
 252 enum ps3_bus_type {
 253         PS3_BUS_TYPE_SB = 4,
 254         PS3_BUS_TYPE_STORAGE = 5,
 255 };
 256
 257 enum ps3_dev_type {
 258         PS3_DEV_TYPE_SB_GELIC = 3,
 259         PS3_DEV_TYPE_SB_USB = 4,
 260         PS3_DEV_TYPE_SB_GPIO = 6,
 261 };
 262
 263 int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
 264         u64 *value);
 265 int ps3_repository_read_bus_id(unsigned int bus_index, unsigned int *bus_id);
 266 int ps3_repository_read_bus_type(unsigned int bus_index,
 267         enum ps3_bus_type *bus_type);
 268 int ps3_repository_read_bus_num_dev(unsigned int bus_index,
 269         unsigned int *num_dev);
 270
 271 /* repository bus device info */
 272
 273 enum ps3_interrupt_type {
 274         PS3_INTERRUPT_TYPE_EVENT_PORT = 2,
 275         PS3_INTERRUPT_TYPE_SB_OHCI = 3,
 276         PS3_INTERRUPT_TYPE_SB_EHCI = 4,
 277         PS3_INTERRUPT_TYPE_OTHER = 5,
 278 };
 279
 280 enum ps3_region_type {
 281         PS3_REGION_TYPE_SB_OHCI = 3,
 282         PS3_REGION_TYPE_SB_EHCI = 4,
 283         PS3_REGION_TYPE_SB_GPIO = 5,
 284 };
 285
 286 int ps3_repository_read_dev_str(unsigned int bus_index,
 287         unsigned int dev_index, const char *dev_str, u64 *value);
 288 int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
 289         unsigned int *dev_id);
 290 int ps3_repository_read_dev_type(unsigned int bus_index,
 291         unsigned int dev_index, enum ps3_dev_type *dev_type);
 292 int ps3_repository_read_dev_intr(unsigned int bus_index,
 293         unsigned int dev_index, unsigned int intr_index,
 294         enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id);
 295 int ps3_repository_read_dev_reg_type(unsigned int bus_index,
 296         unsigned int dev_index, unsigned int reg_index,
 297         enum ps3_region_type *reg_type);
 298 int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
 299         unsigned int dev_index, unsigned int reg_index, u64 *bus_addr,
 300         u64 *len);
 301 int ps3_repository_read_dev_reg(unsigned int bus_index,
 302         unsigned int dev_index, unsigned int reg_index,
 303         enum ps3_region_type *reg_type, u64 *bus_addr, u64 *len);
 304
 305 /* repository bus enumerators */
 306
 307 struct ps3_repository_device {
 308         unsigned int bus_index;
 309         unsigned int dev_index;
 310         struct ps3_device_id did;
 311 };
 312
 313 int ps3_repository_find_device(enum ps3_bus_type bus_type,
 314         enum ps3_dev_type dev_type,
 315         const struct ps3_repository_device *start_dev,
 316         struct ps3_repository_device *dev);
 317 static inline int ps3_repository_find_first_device(
 318         enum ps3_bus_type bus_type, enum ps3_dev_type dev_type,
 319         struct ps3_repository_device *dev)
 320 {
 321         return ps3_repository_find_device(bus_type, dev_type, NULL, dev);
 322 }
 323 int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
 324         enum ps3_interrupt_type intr_type, unsigned int *interrupt_id);
 325 int ps3_repository_find_region(const struct ps3_repository_device *dev,
 326         enum ps3_region_type reg_type, u64 *bus_addr, u64 *len);
 327
 328 /* repository block device info */
 329
 330 int ps3_repository_read_dev_port(unsigned int bus_index,
 331         unsigned int dev_index, u64 *port);
 332 int ps3_repository_read_dev_blk_size(unsigned int bus_index,
 333         unsigned int dev_index, u64 *blk_size);
 334 int ps3_repository_read_dev_num_blocks(unsigned int bus_index,
 335         unsigned int dev_index, u64 *num_blocks);
 336 int ps3_repository_read_dev_num_regions(unsigned int bus_index,
 337         unsigned int dev_index, unsigned int *num_regions);
 338 int ps3_repository_read_dev_region_id(unsigned int bus_index,
 339         unsigned int dev_index, unsigned int region_index,
 340         unsigned int *region_id);
 341 int ps3_repository_read_dev_region_size(unsigned int bus_index,
 342         unsigned int dev_index, unsigned int region_index, u64 *region_size);
 343 int ps3_repository_read_dev_region_start(unsigned int bus_index,
 344         unsigned int dev_index, unsigned int region_index, u64 *region_start);
 345
 346 /* repository pu and memory info */
 347
 348 int ps3_repository_read_num_pu(unsigned int *num_pu);
 349 int ps3_repository_read_ppe_id(unsigned int *pu_index, unsigned int *ppe_id);
 350 int ps3_repository_read_rm_base(unsigned int ppe_id, u64 *rm_base);
 351 int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size);
 352 int ps3_repository_read_region_total(u64 *region_total);
 353 int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size,
 354         u64 *region_total);
 355
 356 /* repository pme info */
 357
 358 int ps3_repository_read_num_be(unsigned int *num_be);
 359 int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id);
 360 int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq);
 361 int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq);
 362
 363 /* repository 'Other OS' area */
 364
 365 int ps3_repository_read_boot_dat_addr(u64 *lpar_addr);
 366 int ps3_repository_read_boot_dat_size(unsigned int *size);
 367 int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size);
 368
 369 /* repository spu info */
 370
 371 /**
 372  * enum spu_resource_type - Type of spu resource.
 373  * @spu_resource_type_shared: Logical spu is shared with other partions.
 374  * @spu_resource_type_exclusive: Logical spu is not shared with other partions.
 375  *
 376  * Returned by ps3_repository_read_spu_resource_id().
 377  */
 378
 379 enum ps3_spu_resource_type {
 380         PS3_SPU_RESOURCE_TYPE_SHARED = 0,
 381         PS3_SPU_RESOURCE_TYPE_EXCLUSIVE = 0x8000000000000000UL,
 382 };
 383
 384 int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved);
 385 int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id);
 386 int ps3_repository_read_spu_resource_id(unsigned int res_index,
 387         enum ps3_spu_resource_type* resource_type, unsigned int *resource_id);
 388
 389
 390 /* system bus routines */
 391
 392 enum ps3_match_id {
 393         PS3_MATCH_ID_EHCI = 1,
 394         PS3_MATCH_ID_OHCI,
 395         PS3_MATCH_ID_GELIC,
 396         PS3_MATCH_ID_AV_SETTINGS,
 397         PS3_MATCH_ID_SYSTEM_MANAGER,
 398 };
 399
 400 /**
 401  * struct ps3_system_bus_device - a device on the system bus
 402  */
 403
 404 struct ps3_system_bus_device {
 405         enum ps3_match_id match_id;
 406         struct ps3_device_id did;
 407         unsigned int interrupt_id;
 408 /*      struct iommu_table *iommu_table; -- waiting for Ben's cleanups */
 409         struct ps3_dma_region *d_region;
 410         struct ps3_mmio_region *m_region;
 411         struct device core;
 412 };
 413
 414 /**
 415  * struct ps3_system_bus_driver - a driver for a device on the system bus
 416  */
 417
 418 struct ps3_system_bus_driver {
 419         enum ps3_match_id match_id;
 420         struct device_driver core;
 421         int (*probe)(struct ps3_system_bus_device *);
 422         int (*remove)(struct ps3_system_bus_device *);
 423 /*      int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
 424 /*      int (*resume)(struct ps3_system_bus_device *); */
 425 };
 426
 427 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
 428 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
 429 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
 430 static inline struct ps3_system_bus_driver *to_ps3_system_bus_driver(
 431         struct device_driver *_drv)
 432 {
 433         return container_of(_drv, struct ps3_system_bus_driver, core);
 434 }
 435 static inline struct ps3_system_bus_device *to_ps3_system_bus_device(
 436         struct device *_dev)
 437 {
 438         return container_of(_dev, struct ps3_system_bus_device, core);
 439 }
 440
 441 /**
 442  * ps3_system_bus_set_drvdata -
 443  * @dev: device structure
 444  * @data: Data to set
 445  */
 446
 447 static inline void ps3_system_bus_set_driver_data(
 448         struct ps3_system_bus_device *dev, void *data)
 449 {
 450         dev->core.driver_data = data;
 451 }
 452 static inline void *ps3_system_bus_get_driver_data(
 453         struct ps3_system_bus_device *dev)
 454 {
 455         return dev->core.driver_data;
 456 }
 457
 458 /* These two need global scope for get_dma_ops(). */
 459
 460 extern struct bus_type ps3_system_bus_type;
 461
 462 #endif