arch/powerpc/include/asm/ps3.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  PS3 platform declarations.
   4  *
   5  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
   6  *  Copyright 2006 Sony Corp.
   7  */
   8
   9 #if !defined(_ASM_POWERPC_PS3_H)
  10 #define _ASM_POWERPC_PS3_H
  11
  12 #include <linux/types.h>
  13 #include <linux/device.h>
  14 #include <asm/cell-pmu.h>
  15
  16 union ps3_firmware_version {
  17         u64 raw;
  18         struct {
  19                 u16 pad;
  20                 u16 major;
  21                 u16 minor;
  22                 u16 rev;
  23         };
  24 };
  25
  26 void ps3_get_firmware_version(union ps3_firmware_version *v);
  27 int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev);
  28
  29 /* 'Other OS' area */
  30
  31 enum ps3_param_av_multi_out {
  32         PS3_PARAM_AV_MULTI_OUT_NTSC = 0,
  33         PS3_PARAM_AV_MULTI_OUT_PAL_RGB = 1,
  34         PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR = 2,
  35         PS3_PARAM_AV_MULTI_OUT_SECAM = 3,
  36 };
  37
  38 enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
  39
  40 extern u64 ps3_os_area_get_rtc_diff(void);
  41 extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
  42
  43 struct ps3_os_area_flash_ops {
  44         ssize_t (*read)(void *buf, size_t count, loff_t pos);
  45         ssize_t (*write)(const void *buf, size_t count, loff_t pos);
  46 };
  47
  48 extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
  49
  50 /* dma routines */
  51
  52 enum ps3_dma_page_size {
  53         PS3_DMA_4K = 12U,
  54         PS3_DMA_64K = 16U,
  55         PS3_DMA_1M = 20U,
  56         PS3_DMA_16M = 24U,
  57 };
  58
  59 enum ps3_dma_region_type {
  60         PS3_DMA_OTHER = 0,
  61         PS3_DMA_INTERNAL = 2,
  62 };
  63
  64 struct ps3_dma_region_ops;
  65
  66 /**
  67  * struct ps3_dma_region - A per device dma state variables structure
  68  * @did: The HV device id.
  69  * @page_size: The ioc pagesize.
  70  * @region_type: The HV region type.
  71  * @bus_addr: The 'translated' bus address of the region.
  72  * @len: The length in bytes of the region.
  73  * @offset: The offset from the start of memory of the region.
  74  * @ioid: The IOID of the device who owns this region
  75  * @chunk_list: Opaque variable used by the ioc page manager.
  76  * @region_ops: struct ps3_dma_region_ops - dma region operations
  77  */
  78
  79 struct ps3_dma_region {
  80         struct ps3_system_bus_device *dev;
  81         /* device variables */
  82         const struct ps3_dma_region_ops *region_ops;
  83         unsigned char ioid;
  84         enum ps3_dma_page_size page_size;
  85         enum ps3_dma_region_type region_type;
  86         unsigned long len;
  87         unsigned long offset;
  88
  89         /* driver variables  (set by ps3_dma_region_create) */
  90         unsigned long bus_addr;
  91         struct {
  92                 spinlock_t lock;
  93                 struct list_head head;
  94         } chunk_list;
  95 };
  96
  97 struct ps3_dma_region_ops {
  98         int (*create)(struct ps3_dma_region *);
  99         int (*free)(struct ps3_dma_region *);
 100         int (*map)(struct ps3_dma_region *,
 101                    unsigned long virt_addr,
 102                    unsigned long len,
 103                    dma_addr_t *bus_addr,
 104                    u64 iopte_pp);
 105         int (*unmap)(struct ps3_dma_region *,
 106                      dma_addr_t bus_addr,
 107                      unsigned long len);
 108 };
 109 /**
 110  * struct ps3_dma_region_init - Helper to initialize structure variables
 111  *
 112  * Helper to properly initialize variables prior to calling
 113  * ps3_system_bus_device_register.
 114  */
 115
 116 struct ps3_system_bus_device;
 117
 118 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 119         struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
 120         enum ps3_dma_region_type region_type, void *addr, unsigned long len);
 121 int ps3_dma_region_create(struct ps3_dma_region *r);
 122 int ps3_dma_region_free(struct ps3_dma_region *r);
 123 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
 124         unsigned long len, dma_addr_t *bus_addr,
 125         u64 iopte_pp);
 126 int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
 127         unsigned long len);
 128
 129 /* mmio routines */
 130
 131 enum ps3_mmio_page_size {
 132         PS3_MMIO_4K = 12U,
 133         PS3_MMIO_64K = 16U
 134 };
 135
 136 struct ps3_mmio_region_ops;
 137 /**
 138  * struct ps3_mmio_region - a per device mmio state variables structure
 139  *
 140  * Current systems can be supported with a single region per device.
 141  */
 142
 143 struct ps3_mmio_region {
 144         struct ps3_system_bus_device *dev;
 145         const struct ps3_mmio_region_ops *mmio_ops;
 146         unsigned long bus_addr;
 147         unsigned long len;
 148         enum ps3_mmio_page_size page_size;
 149         unsigned long lpar_addr;
 150 };
 151
 152 struct ps3_mmio_region_ops {
 153         int (*create)(struct ps3_mmio_region *);
 154         int (*free)(struct ps3_mmio_region *);
 155 };
 156 /**
 157  * struct ps3_mmio_region_init - Helper to initialize structure variables
 158  *
 159  * Helper to properly initialize variables prior to calling
 160  * ps3_system_bus_device_register.
 161  */
 162
 163 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
 164         struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
 165         enum ps3_mmio_page_size page_size);
 166 int ps3_mmio_region_create(struct ps3_mmio_region *r);
 167 int ps3_free_mmio_region(struct ps3_mmio_region *r);
 168 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
 169
 170 /* inrerrupt routines */
 171
 172 enum ps3_cpu_binding {
 173         PS3_BINDING_CPU_ANY = -1,
 174         PS3_BINDING_CPU_0 = 0,
 175         PS3_BINDING_CPU_1 = 1,
 176 };
 177
 178 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
 179         unsigned int *virq);
 180 int ps3_irq_plug_destroy(unsigned int virq);
 181 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
 182 int ps3_event_receive_port_destroy(unsigned int virq);
 183 int ps3_send_event_locally(unsigned int virq);
 184
 185 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
 186         unsigned int *virq);
 187 int ps3_io_irq_destroy(unsigned int virq);
 188 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
 189         unsigned int *virq);
 190 int ps3_vuart_irq_destroy(unsigned int virq);
 191 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
 192         unsigned int class, unsigned int *virq);
 193 int ps3_spe_irq_destroy(unsigned int virq);
 194
 195 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
 196         enum ps3_cpu_binding cpu, unsigned int *virq);
 197 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
 198         unsigned int virq);
 199
 200 /* lv1 result codes */
 201
 202 enum lv1_result {
 203         LV1_SUCCESS                     = 0,
 204         /* not used                       -1 */
 205         LV1_RESOURCE_SHORTAGE           = -2,
 206         LV1_NO_PRIVILEGE                = -3,
 207         LV1_DENIED_BY_POLICY            = -4,
 208         LV1_ACCESS_VIOLATION            = -5,
 209         LV1_NO_ENTRY                    = -6,
 210         LV1_DUPLICATE_ENTRY             = -7,
 211         LV1_TYPE_MISMATCH               = -8,
 212         LV1_BUSY                        = -9,
 213         LV1_EMPTY                       = -10,
 214         LV1_WRONG_STATE                 = -11,
 215         /* not used                       -12 */
 216         LV1_NO_MATCH                    = -13,
 217         LV1_ALREADY_CONNECTED           = -14,
 218         LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
 219         LV1_CONDITION_NOT_SATISFIED     = -16,
 220         LV1_ILLEGAL_PARAMETER_VALUE     = -17,
 221         LV1_BAD_OPTION                  = -18,
 222         LV1_IMPLEMENTATION_LIMITATION   = -19,
 223         LV1_NOT_IMPLEMENTED             = -20,
 224         LV1_INVALID_CLASS_ID            = -21,
 225         LV1_CONSTRAINT_NOT_SATISFIED    = -22,
 226         LV1_ALIGNMENT_ERROR             = -23,
 227         LV1_HARDWARE_ERROR              = -24,
 228         LV1_INVALID_DATA_FORMAT         = -25,
 229         LV1_INVALID_OPERATION           = -26,
 230         LV1_INTERNAL_ERROR              = -32768,
 231 };
 232
 233 static inline const char* ps3_result(int result)
 234 {
 235 #if defined(DEBUG) || defined(PS3_VERBOSE_RESULT)
 236         switch (result) {
 237         case LV1_SUCCESS:
 238                 return "LV1_SUCCESS (0)";
 239         case -1:
 240                 return "** unknown result ** (-1)";
 241         case LV1_RESOURCE_SHORTAGE:
 242                 return "LV1_RESOURCE_SHORTAGE (-2)";
 243         case LV1_NO_PRIVILEGE:
 244                 return "LV1_NO_PRIVILEGE (-3)";
 245         case LV1_DENIED_BY_POLICY:
 246                 return "LV1_DENIED_BY_POLICY (-4)";
 247         case LV1_ACCESS_VIOLATION:
 248                 return "LV1_ACCESS_VIOLATION (-5)";
 249         case LV1_NO_ENTRY:
 250                 return "LV1_NO_ENTRY (-6)";
 251         case LV1_DUPLICATE_ENTRY:
 252                 return "LV1_DUPLICATE_ENTRY (-7)";
 253         case LV1_TYPE_MISMATCH:
 254                 return "LV1_TYPE_MISMATCH (-8)";
 255         case LV1_BUSY:
 256                 return "LV1_BUSY (-9)";
 257         case LV1_EMPTY:
 258                 return "LV1_EMPTY (-10)";
 259         case LV1_WRONG_STATE:
 260                 return "LV1_WRONG_STATE (-11)";
 261         case -12:
 262                 return "** unknown result ** (-12)";
 263         case LV1_NO_MATCH:
 264                 return "LV1_NO_MATCH (-13)";
 265         case LV1_ALREADY_CONNECTED:
 266                 return "LV1_ALREADY_CONNECTED (-14)";
 267         case LV1_UNSUPPORTED_PARAMETER_VALUE:
 268                 return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
 269         case LV1_CONDITION_NOT_SATISFIED:
 270                 return "LV1_CONDITION_NOT_SATISFIED (-16)";
 271         case LV1_ILLEGAL_PARAMETER_VALUE:
 272                 return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
 273         case LV1_BAD_OPTION:
 274                 return "LV1_BAD_OPTION (-18)";
 275         case LV1_IMPLEMENTATION_LIMITATION:
 276                 return "LV1_IMPLEMENTATION_LIMITATION (-19)";
 277         case LV1_NOT_IMPLEMENTED:
 278                 return "LV1_NOT_IMPLEMENTED (-20)";
 279         case LV1_INVALID_CLASS_ID:
 280                 return "LV1_INVALID_CLASS_ID (-21)";
 281         case LV1_CONSTRAINT_NOT_SATISFIED:
 282                 return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
 283         case LV1_ALIGNMENT_ERROR:
 284                 return "LV1_ALIGNMENT_ERROR (-23)";
 285         case LV1_HARDWARE_ERROR:
 286                 return "LV1_HARDWARE_ERROR (-24)";
 287         case LV1_INVALID_DATA_FORMAT:
 288                 return "LV1_INVALID_DATA_FORMAT (-25)";
 289         case LV1_INVALID_OPERATION:
 290                 return "LV1_INVALID_OPERATION (-26)";
 291         case LV1_INTERNAL_ERROR:
 292                 return "LV1_INTERNAL_ERROR (-32768)";
 293         default:
 294                 BUG();
 295                 return "** unknown result **";
 296         };
 297 #else
 298         return "";
 299 #endif
 300 }
 301
 302 /* system bus routines */
 303
 304 enum ps3_match_id {
 305         PS3_MATCH_ID_EHCI               = 1,
 306         PS3_MATCH_ID_OHCI               = 2,
 307         PS3_MATCH_ID_GELIC              = 3,
 308         PS3_MATCH_ID_AV_SETTINGS        = 4,
 309         PS3_MATCH_ID_SYSTEM_MANAGER     = 5,
 310         PS3_MATCH_ID_STOR_DISK          = 6,
 311         PS3_MATCH_ID_STOR_ROM           = 7,
 312         PS3_MATCH_ID_STOR_FLASH         = 8,
 313         PS3_MATCH_ID_SOUND              = 9,
 314         PS3_MATCH_ID_GPU                = 10,
 315         PS3_MATCH_ID_LPM                = 11,
 316 };
 317
 318 enum ps3_match_sub_id {
 319         PS3_MATCH_SUB_ID_GPU_FB         = 1,
 320         PS3_MATCH_SUB_ID_GPU_RAMDISK    = 2,
 321 };
 322
 323 #define PS3_MODULE_ALIAS_EHCI           "ps3:1:0"
 324 #define PS3_MODULE_ALIAS_OHCI           "ps3:2:0"
 325 #define PS3_MODULE_ALIAS_GELIC          "ps3:3:0"
 326 #define PS3_MODULE_ALIAS_AV_SETTINGS    "ps3:4:0"
 327 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER "ps3:5:0"
 328 #define PS3_MODULE_ALIAS_STOR_DISK      "ps3:6:0"
 329 #define PS3_MODULE_ALIAS_STOR_ROM       "ps3:7:0"
 330 #define PS3_MODULE_ALIAS_STOR_FLASH     "ps3:8:0"
 331 #define PS3_MODULE_ALIAS_SOUND          "ps3:9:0"
 332 #define PS3_MODULE_ALIAS_GPU_FB         "ps3:10:1"
 333 #define PS3_MODULE_ALIAS_GPU_RAMDISK    "ps3:10:2"
 334 #define PS3_MODULE_ALIAS_LPM            "ps3:11:0"
 335
 336 enum ps3_system_bus_device_type {
 337         PS3_DEVICE_TYPE_IOC0 = 1,
 338         PS3_DEVICE_TYPE_SB,
 339         PS3_DEVICE_TYPE_VUART,
 340         PS3_DEVICE_TYPE_LPM,
 341 };
 342
 343 /**
 344  * struct ps3_system_bus_device - a device on the system bus
 345  */
 346
 347 struct ps3_system_bus_device {
 348         enum ps3_match_id match_id;
 349         enum ps3_match_sub_id match_sub_id;
 350         enum ps3_system_bus_device_type dev_type;
 351
 352         u64 bus_id;                       /* SB */
 353         u64 dev_id;                       /* SB */
 354         unsigned int interrupt_id;        /* SB */
 355         struct ps3_dma_region *d_region;  /* SB, IOC0 */
 356         struct ps3_mmio_region *m_region; /* SB, IOC0*/
 357         unsigned int port_number;         /* VUART */
 358         struct {                          /* LPM */
 359                 u64 node_id;
 360                 u64 pu_id;
 361                 u64 rights;
 362         } lpm;
 363
 364 /*      struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
 365         struct device core;
 366         void *driver_priv; /* private driver variables */
 367 };
 368
 369 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
 370 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
 371
 372 /**
 373  * struct ps3_system_bus_driver - a driver for a device on the system bus
 374  */
 375
 376 struct ps3_system_bus_driver {
 377         enum ps3_match_id match_id;
 378         enum ps3_match_sub_id match_sub_id;
 379         struct device_driver core;
 380         int (*probe)(struct ps3_system_bus_device *);
 381         void (*remove)(struct ps3_system_bus_device *);
 382         void (*shutdown)(struct ps3_system_bus_device *);
 383 /*      int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
 384 /*      int (*resume)(struct ps3_system_bus_device *); */
 385 };
 386
 387 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
 388 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
 389 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
 390
 391 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
 392         struct device_driver *_drv)
 393 {
 394         return container_of(_drv, struct ps3_system_bus_driver, core);
 395 }
 396 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
 397         struct device *_dev)
 398 {
 399         return container_of(_dev, struct ps3_system_bus_device, core);
 400 }
 401 static inline struct ps3_system_bus_driver *
 402         ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
 403 {
 404         BUG_ON(!_dev);
 405         BUG_ON(!_dev->core.driver);
 406         return ps3_drv_to_system_bus_drv(_dev->core.driver);
 407 }
 408
 409 /**
 410  * ps3_system_bus_set_drvdata -
 411  * @dev: device structure
 412  * @data: Data to set
 413  */
 414
 415 static inline void ps3_system_bus_set_drvdata(
 416         struct ps3_system_bus_device *dev, void *data)
 417 {
 418         dev_set_drvdata(&dev->core, data);
 419 }
 420 static inline void *ps3_system_bus_get_drvdata(
 421         struct ps3_system_bus_device *dev)
 422 {
 423         return dev_get_drvdata(&dev->core);
 424 }
 425
 426 /* These two need global scope for get_arch_dma_ops(). */
 427
 428 extern struct bus_type ps3_system_bus_type;
 429
 430 /* system manager */
 431
 432 struct ps3_sys_manager_ops {
 433         struct ps3_system_bus_device *dev;
 434         void (*power_off)(struct ps3_system_bus_device *dev);
 435         void (*restart)(struct ps3_system_bus_device *dev);
 436 };
 437
 438 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
 439 void __noreturn ps3_sys_manager_power_off(void);
 440 void __noreturn ps3_sys_manager_restart(void);
 441 void __noreturn ps3_sys_manager_halt(void);
 442 int ps3_sys_manager_get_wol(void);
 443 void ps3_sys_manager_set_wol(int state);
 444
 445 struct ps3_prealloc {
 446     const char *name;
 447     void *address;
 448     unsigned long size;
 449     unsigned long align;
 450 };
 451
 452 extern struct ps3_prealloc ps3fb_videomemory;
 453 extern struct ps3_prealloc ps3flash_bounce_buffer;
 454
 455 /* logical performance monitor */
 456
 457 /**
 458  * enum ps3_lpm_rights - Rigths granted by the system policy module.
 459  *
 460  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
 461  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
 462  */
 463
 464 enum ps3_lpm_rights {
 465         PS3_LPM_RIGHTS_USE_LPM = 0x001,
 466         PS3_LPM_RIGHTS_USE_TB = 0x100,
 467 };
 468
 469 /**
 470  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
 471  *
 472  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
 473  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
 474  *  rights @PS3_LPM_RIGHTS_USE_TB.
 475  */
 476
 477 enum ps3_lpm_tb_type {
 478         PS3_LPM_TB_TYPE_NONE = 0,
 479         PS3_LPM_TB_TYPE_INTERNAL = 1,
 480 };
 481
 482 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 483         u64 tb_cache_size);
 484 int ps3_lpm_close(void);
 485 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
 486         unsigned long *bytes_copied);
 487 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
 488         unsigned long count, unsigned long *bytes_copied);
 489 void ps3_set_bookmark(u64 bookmark);
 490 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
 491 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
 492         u8 bus_word);
 493
 494 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
 495 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
 496 u32 ps3_read_ctr(u32 cpu, u32 ctr);
 497 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
 498
 499 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
 500 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
 501 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
 502 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
 503
 504 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
 505 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
 506
 507 void ps3_enable_pm(u32 cpu);
 508 void ps3_disable_pm(u32 cpu);
 509 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
 510 void ps3_disable_pm_interrupts(u32 cpu);
 511
 512 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
 513 void ps3_sync_irq(int node);
 514 u32 ps3_get_hw_thread_id(int cpu);
 515 u64 ps3_get_spe_id(void *arg);
 516
 517 void ps3_early_mm_init(void);
 518
 519 #endif