arch/powerpc/include/asm/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/init.h>
  25 #include <linux/types.h>
  26 #include <linux/device.h>
  27 #include "cell-pmu.h"
  28
  29 union ps3_firmware_version {
  30         u64 raw;
  31         struct {
  32                 u16 pad;
  33                 u16 major;
  34                 u16 minor;
  35                 u16 rev;
  36         };
  37 };
  38
  39 void ps3_get_firmware_version(union ps3_firmware_version *v);
  40 int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev);
  41
  42 /* 'Other OS' area */
  43
  44 enum ps3_param_av_multi_out {
  45         PS3_PARAM_AV_MULTI_OUT_NTSC = 0,
  46         PS3_PARAM_AV_MULTI_OUT_PAL_RGB = 1,
  47         PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR = 2,
  48         PS3_PARAM_AV_MULTI_OUT_SECAM = 3,
  49 };
  50
  51 enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
  52
  53 extern u64 ps3_os_area_get_rtc_diff(void);
  54 extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
  55
  56 struct ps3_os_area_flash_ops {
  57         ssize_t (*read)(void *buf, size_t count, loff_t pos);
  58         ssize_t (*write)(const void *buf, size_t count, loff_t pos);
  59 };
  60
  61 extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
  62
  63 /* dma routines */
  64
  65 enum ps3_dma_page_size {
  66         PS3_DMA_4K = 12U,
  67         PS3_DMA_64K = 16U,
  68         PS3_DMA_1M = 20U,
  69         PS3_DMA_16M = 24U,
  70 };
  71
  72 enum ps3_dma_region_type {
  73         PS3_DMA_OTHER = 0,
  74         PS3_DMA_INTERNAL = 2,
  75 };
  76
  77 struct ps3_dma_region_ops;
  78
  79 /**
  80  * struct ps3_dma_region - A per device dma state variables structure
  81  * @did: The HV device id.
  82  * @page_size: The ioc pagesize.
  83  * @region_type: The HV region type.
  84  * @bus_addr: The 'translated' bus address of the region.
  85  * @len: The length in bytes of the region.
  86  * @offset: The offset from the start of memory of the region.
  87  * @ioid: The IOID of the device who owns this region
  88  * @chunk_list: Opaque variable used by the ioc page manager.
  89  * @region_ops: struct ps3_dma_region_ops - dma region operations
  90  */
  91
  92 struct ps3_dma_region {
  93         struct ps3_system_bus_device *dev;
  94         /* device variables */
  95         const struct ps3_dma_region_ops *region_ops;
  96         unsigned char ioid;
  97         enum ps3_dma_page_size page_size;
  98         enum ps3_dma_region_type region_type;
  99         unsigned long len;
 100         unsigned long offset;
 101
 102         /* driver variables  (set by ps3_dma_region_create) */
 103         unsigned long bus_addr;
 104         struct {
 105                 spinlock_t lock;
 106                 struct list_head head;
 107         } chunk_list;
 108 };
 109
 110 struct ps3_dma_region_ops {
 111         int (*create)(struct ps3_dma_region *);
 112         int (*free)(struct ps3_dma_region *);
 113         int (*map)(struct ps3_dma_region *,
 114                    unsigned long virt_addr,
 115                    unsigned long len,
 116                    dma_addr_t *bus_addr,
 117                    u64 iopte_pp);
 118         int (*unmap)(struct ps3_dma_region *,
 119                      dma_addr_t bus_addr,
 120                      unsigned long len);
 121 };
 122 /**
 123  * struct ps3_dma_region_init - Helper to initialize structure variables
 124  *
 125  * Helper to properly initialize variables prior to calling
 126  * ps3_system_bus_device_register.
 127  */
 128
 129 struct ps3_system_bus_device;
 130
 131 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 132         struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
 133         enum ps3_dma_region_type region_type, void *addr, unsigned long len);
 134 int ps3_dma_region_create(struct ps3_dma_region *r);
 135 int ps3_dma_region_free(struct ps3_dma_region *r);
 136 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
 137         unsigned long len, dma_addr_t *bus_addr,
 138         u64 iopte_pp);
 139 int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
 140         unsigned long len);
 141
 142 /* mmio routines */
 143
 144 enum ps3_mmio_page_size {
 145         PS3_MMIO_4K = 12U,
 146         PS3_MMIO_64K = 16U
 147 };
 148
 149 struct ps3_mmio_region_ops;
 150 /**
 151  * struct ps3_mmio_region - a per device mmio state variables structure
 152  *
 153  * Current systems can be supported with a single region per device.
 154  */
 155
 156 struct ps3_mmio_region {
 157         struct ps3_system_bus_device *dev;
 158         const struct ps3_mmio_region_ops *mmio_ops;
 159         unsigned long bus_addr;
 160         unsigned long len;
 161         enum ps3_mmio_page_size page_size;
 162         unsigned long lpar_addr;
 163 };
 164
 165 struct ps3_mmio_region_ops {
 166         int (*create)(struct ps3_mmio_region *);
 167         int (*free)(struct ps3_mmio_region *);
 168 };
 169 /**
 170  * struct ps3_mmio_region_init - Helper to initialize structure variables
 171  *
 172  * Helper to properly initialize variables prior to calling
 173  * ps3_system_bus_device_register.
 174  */
 175
 176 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
 177         struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
 178         enum ps3_mmio_page_size page_size);
 179 int ps3_mmio_region_create(struct ps3_mmio_region *r);
 180 int ps3_free_mmio_region(struct ps3_mmio_region *r);
 181 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
 182
 183 /* inrerrupt routines */
 184
 185 enum ps3_cpu_binding {
 186         PS3_BINDING_CPU_ANY = -1,
 187         PS3_BINDING_CPU_0 = 0,
 188         PS3_BINDING_CPU_1 = 1,
 189 };
 190
 191 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
 192         unsigned int *virq);
 193 int ps3_irq_plug_destroy(unsigned int virq);
 194 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
 195 int ps3_event_receive_port_destroy(unsigned int virq);
 196 int ps3_send_event_locally(unsigned int virq);
 197
 198 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
 199         unsigned int *virq);
 200 int ps3_io_irq_destroy(unsigned int virq);
 201 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
 202         unsigned int *virq);
 203 int ps3_vuart_irq_destroy(unsigned int virq);
 204 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
 205         unsigned int class, unsigned int *virq);
 206 int ps3_spe_irq_destroy(unsigned int virq);
 207
 208 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
 209         enum ps3_cpu_binding cpu, unsigned int *virq);
 210 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
 211         unsigned int virq);
 212
 213 /* lv1 result codes */
 214
 215 enum lv1_result {
 216         LV1_SUCCESS                     = 0,
 217         /* not used                       -1 */
 218         LV1_RESOURCE_SHORTAGE           = -2,
 219         LV1_NO_PRIVILEGE                = -3,
 220         LV1_DENIED_BY_POLICY            = -4,
 221         LV1_ACCESS_VIOLATION            = -5,
 222         LV1_NO_ENTRY                    = -6,
 223         LV1_DUPLICATE_ENTRY             = -7,
 224         LV1_TYPE_MISMATCH               = -8,
 225         LV1_BUSY                        = -9,
 226         LV1_EMPTY                       = -10,
 227         LV1_WRONG_STATE                 = -11,
 228         /* not used                       -12 */
 229         LV1_NO_MATCH                    = -13,
 230         LV1_ALREADY_CONNECTED           = -14,
 231         LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
 232         LV1_CONDITION_NOT_SATISFIED     = -16,
 233         LV1_ILLEGAL_PARAMETER_VALUE     = -17,
 234         LV1_BAD_OPTION                  = -18,
 235         LV1_IMPLEMENTATION_LIMITATION   = -19,
 236         LV1_NOT_IMPLEMENTED             = -20,
 237         LV1_INVALID_CLASS_ID            = -21,
 238         LV1_CONSTRAINT_NOT_SATISFIED    = -22,
 239         LV1_ALIGNMENT_ERROR             = -23,
 240         LV1_HARDWARE_ERROR              = -24,
 241         LV1_INVALID_DATA_FORMAT         = -25,
 242         LV1_INVALID_OPERATION           = -26,
 243         LV1_INTERNAL_ERROR              = -32768,
 244 };
 245
 246 static inline const char* ps3_result(int result)
 247 {
 248 #if defined(DEBUG)
 249         switch (result) {
 250         case LV1_SUCCESS:
 251                 return "LV1_SUCCESS (0)";
 252         case -1:
 253                 return "** unknown result ** (-1)";
 254         case LV1_RESOURCE_SHORTAGE:
 255                 return "LV1_RESOURCE_SHORTAGE (-2)";
 256         case LV1_NO_PRIVILEGE:
 257                 return "LV1_NO_PRIVILEGE (-3)";
 258         case LV1_DENIED_BY_POLICY:
 259                 return "LV1_DENIED_BY_POLICY (-4)";
 260         case LV1_ACCESS_VIOLATION:
 261                 return "LV1_ACCESS_VIOLATION (-5)";
 262         case LV1_NO_ENTRY:
 263                 return "LV1_NO_ENTRY (-6)";
 264         case LV1_DUPLICATE_ENTRY:
 265                 return "LV1_DUPLICATE_ENTRY (-7)";
 266         case LV1_TYPE_MISMATCH:
 267                 return "LV1_TYPE_MISMATCH (-8)";
 268         case LV1_BUSY:
 269                 return "LV1_BUSY (-9)";
 270         case LV1_EMPTY:
 271                 return "LV1_EMPTY (-10)";
 272         case LV1_WRONG_STATE:
 273                 return "LV1_WRONG_STATE (-11)";
 274         case -12:
 275                 return "** unknown result ** (-12)";
 276         case LV1_NO_MATCH:
 277                 return "LV1_NO_MATCH (-13)";
 278         case LV1_ALREADY_CONNECTED:
 279                 return "LV1_ALREADY_CONNECTED (-14)";
 280         case LV1_UNSUPPORTED_PARAMETER_VALUE:
 281                 return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
 282         case LV1_CONDITION_NOT_SATISFIED:
 283                 return "LV1_CONDITION_NOT_SATISFIED (-16)";
 284         case LV1_ILLEGAL_PARAMETER_VALUE:
 285                 return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
 286         case LV1_BAD_OPTION:
 287                 return "LV1_BAD_OPTION (-18)";
 288         case LV1_IMPLEMENTATION_LIMITATION:
 289                 return "LV1_IMPLEMENTATION_LIMITATION (-19)";
 290         case LV1_NOT_IMPLEMENTED:
 291                 return "LV1_NOT_IMPLEMENTED (-20)";
 292         case LV1_INVALID_CLASS_ID:
 293                 return "LV1_INVALID_CLASS_ID (-21)";
 294         case LV1_CONSTRAINT_NOT_SATISFIED:
 295                 return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
 296         case LV1_ALIGNMENT_ERROR:
 297                 return "LV1_ALIGNMENT_ERROR (-23)";
 298         case LV1_HARDWARE_ERROR:
 299                 return "LV1_HARDWARE_ERROR (-24)";
 300         case LV1_INVALID_DATA_FORMAT:
 301                 return "LV1_INVALID_DATA_FORMAT (-25)";
 302         case LV1_INVALID_OPERATION:
 303                 return "LV1_INVALID_OPERATION (-26)";
 304         case LV1_INTERNAL_ERROR:
 305                 return "LV1_INTERNAL_ERROR (-32768)";
 306         default:
 307                 BUG();
 308                 return "** unknown result **";
 309         };
 310 #else
 311         return "";
 312 #endif
 313 }
 314
 315 /* system bus routines */
 316
 317 enum ps3_match_id {
 318         PS3_MATCH_ID_EHCI               = 1,
 319         PS3_MATCH_ID_OHCI               = 2,
 320         PS3_MATCH_ID_GELIC              = 3,
 321         PS3_MATCH_ID_AV_SETTINGS        = 4,
 322         PS3_MATCH_ID_SYSTEM_MANAGER     = 5,
 323         PS3_MATCH_ID_STOR_DISK          = 6,
 324         PS3_MATCH_ID_STOR_ROM           = 7,
 325         PS3_MATCH_ID_STOR_FLASH         = 8,
 326         PS3_MATCH_ID_SOUND              = 9,
 327         PS3_MATCH_ID_GPU                = 10,
 328         PS3_MATCH_ID_LPM                = 11,
 329 };
 330
 331 enum ps3_match_sub_id {
 332         PS3_MATCH_SUB_ID_GPU_FB         = 1,
 333         PS3_MATCH_SUB_ID_GPU_RAMDISK    = 2,
 334 };
 335
 336 #define PS3_MODULE_ALIAS_EHCI           "ps3:1:0"
 337 #define PS3_MODULE_ALIAS_OHCI           "ps3:2:0"
 338 #define PS3_MODULE_ALIAS_GELIC          "ps3:3:0"
 339 #define PS3_MODULE_ALIAS_AV_SETTINGS    "ps3:4:0"
 340 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER "ps3:5:0"
 341 #define PS3_MODULE_ALIAS_STOR_DISK      "ps3:6:0"
 342 #define PS3_MODULE_ALIAS_STOR_ROM       "ps3:7:0"
 343 #define PS3_MODULE_ALIAS_STOR_FLASH     "ps3:8:0"
 344 #define PS3_MODULE_ALIAS_SOUND          "ps3:9:0"
 345 #define PS3_MODULE_ALIAS_GPU_FB         "ps3:10:1"
 346 #define PS3_MODULE_ALIAS_GPU_RAMDISK    "ps3:10:2"
 347 #define PS3_MODULE_ALIAS_LPM            "ps3:11:0"
 348
 349 enum ps3_system_bus_device_type {
 350         PS3_DEVICE_TYPE_IOC0 = 1,
 351         PS3_DEVICE_TYPE_SB,
 352         PS3_DEVICE_TYPE_VUART,
 353         PS3_DEVICE_TYPE_LPM,
 354 };
 355
 356 /**
 357  * struct ps3_system_bus_device - a device on the system bus
 358  */
 359
 360 struct ps3_system_bus_device {
 361         enum ps3_match_id match_id;
 362         enum ps3_match_sub_id match_sub_id;
 363         enum ps3_system_bus_device_type dev_type;
 364
 365         u64 bus_id;                       /* SB */
 366         u64 dev_id;                       /* SB */
 367         unsigned int interrupt_id;        /* SB */
 368         struct ps3_dma_region *d_region;  /* SB, IOC0 */
 369         struct ps3_mmio_region *m_region; /* SB, IOC0*/
 370         unsigned int port_number;         /* VUART */
 371         struct {                          /* LPM */
 372                 u64 node_id;
 373                 u64 pu_id;
 374                 u64 rights;
 375         } lpm;
 376
 377 /*      struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
 378         struct device core;
 379         void *driver_priv; /* private driver variables */
 380 };
 381
 382 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
 383 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
 384
 385 /**
 386  * struct ps3_system_bus_driver - a driver for a device on the system bus
 387  */
 388
 389 struct ps3_system_bus_driver {
 390         enum ps3_match_id match_id;
 391         enum ps3_match_sub_id match_sub_id;
 392         struct device_driver core;
 393         int (*probe)(struct ps3_system_bus_device *);
 394         int (*remove)(struct ps3_system_bus_device *);
 395         int (*shutdown)(struct ps3_system_bus_device *);
 396 /*      int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
 397 /*      int (*resume)(struct ps3_system_bus_device *); */
 398 };
 399
 400 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
 401 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
 402 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
 403
 404 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
 405         struct device_driver *_drv)
 406 {
 407         return container_of(_drv, struct ps3_system_bus_driver, core);
 408 }
 409 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
 410         struct device *_dev)
 411 {
 412         return container_of(_dev, struct ps3_system_bus_device, core);
 413 }
 414 static inline struct ps3_system_bus_driver *
 415         ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
 416 {
 417         BUG_ON(!_dev);
 418         BUG_ON(!_dev->core.driver);
 419         return ps3_drv_to_system_bus_drv(_dev->core.driver);
 420 }
 421
 422 /**
 423  * ps3_system_bus_set_drvdata -
 424  * @dev: device structure
 425  * @data: Data to set
 426  */
 427
 428 static inline void ps3_system_bus_set_drvdata(
 429         struct ps3_system_bus_device *dev, void *data)
 430 {
 431         dev_set_drvdata(&dev->core, data);
 432 }
 433 static inline void *ps3_system_bus_get_drvdata(
 434         struct ps3_system_bus_device *dev)
 435 {
 436         return dev_get_drvdata(&dev->core);
 437 }
 438
 439 /* These two need global scope for get_dma_ops(). */
 440
 441 extern struct bus_type ps3_system_bus_type;
 442
 443 /* system manager */
 444
 445 struct ps3_sys_manager_ops {
 446         struct ps3_system_bus_device *dev;
 447         void (*power_off)(struct ps3_system_bus_device *dev);
 448         void (*restart)(struct ps3_system_bus_device *dev);
 449 };
 450
 451 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
 452 void __noreturn ps3_sys_manager_power_off(void);
 453 void __noreturn ps3_sys_manager_restart(void);
 454 void __noreturn ps3_sys_manager_halt(void);
 455 int ps3_sys_manager_get_wol(void);
 456 void ps3_sys_manager_set_wol(int state);
 457
 458 struct ps3_prealloc {
 459     const char *name;
 460     void *address;
 461     unsigned long size;
 462     unsigned long align;
 463 };
 464
 465 extern struct ps3_prealloc ps3fb_videomemory;
 466 extern struct ps3_prealloc ps3flash_bounce_buffer;
 467
 468 /* logical performance monitor */
 469
 470 /**
 471  * enum ps3_lpm_rights - Rigths granted by the system policy module.
 472  *
 473  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
 474  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
 475  */
 476
 477 enum ps3_lpm_rights {
 478         PS3_LPM_RIGHTS_USE_LPM = 0x001,
 479         PS3_LPM_RIGHTS_USE_TB = 0x100,
 480 };
 481
 482 /**
 483  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
 484  *
 485  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
 486  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
 487  *  rights @PS3_LPM_RIGHTS_USE_TB.
 488  */
 489
 490 enum ps3_lpm_tb_type {
 491         PS3_LPM_TB_TYPE_NONE = 0,
 492         PS3_LPM_TB_TYPE_INTERNAL = 1,
 493 };
 494
 495 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 496         u64 tb_cache_size);
 497 int ps3_lpm_close(void);
 498 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
 499         unsigned long *bytes_copied);
 500 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
 501         unsigned long count, unsigned long *bytes_copied);
 502 void ps3_set_bookmark(u64 bookmark);
 503 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
 504 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
 505         u8 bus_word);
 506
 507 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
 508 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
 509 u32 ps3_read_ctr(u32 cpu, u32 ctr);
 510 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
 511
 512 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
 513 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
 514 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
 515 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
 516
 517 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
 518 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
 519
 520 void ps3_enable_pm(u32 cpu);
 521 void ps3_disable_pm(u32 cpu);
 522 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
 523 void ps3_disable_pm_interrupts(u32 cpu);
 524
 525 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
 526 void ps3_sync_irq(int node);
 527 u32 ps3_get_hw_thread_id(int cpu);
 528 u64 ps3_get_spe_id(void *arg);
 529
 530 #endif