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 /* dma routines */
  57
  58 enum ps3_dma_page_size {
  59         PS3_DMA_4K = 12U,
  60         PS3_DMA_64K = 16U,
  61         PS3_DMA_1M = 20U,
  62         PS3_DMA_16M = 24U,
  63 };
  64
  65 enum ps3_dma_region_type {
  66         PS3_DMA_OTHER = 0,
  67         PS3_DMA_INTERNAL = 2,
  68 };
  69
  70 struct ps3_dma_region_ops;
  71
  72 /**
  73  * struct ps3_dma_region - A per device dma state variables structure
  74  * @did: The HV device id.
  75  * @page_size: The ioc pagesize.
  76  * @region_type: The HV region type.
  77  * @bus_addr: The 'translated' bus address of the region.
  78  * @len: The length in bytes of the region.
  79  * @offset: The offset from the start of memory of the region.
  80  * @ioid: The IOID of the device who owns this region
  81  * @chunk_list: Opaque variable used by the ioc page manager.
  82  * @region_ops: struct ps3_dma_region_ops - dma region operations
  83  */
  84
  85 struct ps3_dma_region {
  86         struct ps3_system_bus_device *dev;
  87         /* device variables */
  88         const struct ps3_dma_region_ops *region_ops;
  89         unsigned char ioid;
  90         enum ps3_dma_page_size page_size;
  91         enum ps3_dma_region_type region_type;
  92         unsigned long len;
  93         unsigned long offset;
  94
  95         /* driver variables  (set by ps3_dma_region_create) */
  96         unsigned long bus_addr;
  97         struct {
  98                 spinlock_t lock;
  99                 struct list_head head;
 100         } chunk_list;
 101 };
 102
 103 struct ps3_dma_region_ops {
 104         int (*create)(struct ps3_dma_region *);
 105         int (*free)(struct ps3_dma_region *);
 106         int (*map)(struct ps3_dma_region *,
 107                    unsigned long virt_addr,
 108                    unsigned long len,
 109                    dma_addr_t *bus_addr,
 110                    u64 iopte_pp);
 111         int (*unmap)(struct ps3_dma_region *,
 112                      dma_addr_t bus_addr,
 113                      unsigned long len);
 114 };
 115 /**
 116  * struct ps3_dma_region_init - Helper to initialize structure variables
 117  *
 118  * Helper to properly initialize variables prior to calling
 119  * ps3_system_bus_device_register.
 120  */
 121
 122 struct ps3_system_bus_device;
 123
 124 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 125         struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
 126         enum ps3_dma_region_type region_type, void *addr, unsigned long len);
 127 int ps3_dma_region_create(struct ps3_dma_region *r);
 128 int ps3_dma_region_free(struct ps3_dma_region *r);
 129 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
 130         unsigned long len, dma_addr_t *bus_addr,
 131         u64 iopte_pp);
 132 int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
 133         unsigned long len);
 134
 135 /* mmio routines */
 136
 137 enum ps3_mmio_page_size {
 138         PS3_MMIO_4K = 12U,
 139         PS3_MMIO_64K = 16U
 140 };
 141
 142 struct ps3_mmio_region_ops;
 143 /**
 144  * struct ps3_mmio_region - a per device mmio state variables structure
 145  *
 146  * Current systems can be supported with a single region per device.
 147  */
 148
 149 struct ps3_mmio_region {
 150         struct ps3_system_bus_device *dev;
 151         const struct ps3_mmio_region_ops *mmio_ops;
 152         unsigned long bus_addr;
 153         unsigned long len;
 154         enum ps3_mmio_page_size page_size;
 155         unsigned long lpar_addr;
 156 };
 157
 158 struct ps3_mmio_region_ops {
 159         int (*create)(struct ps3_mmio_region *);
 160         int (*free)(struct ps3_mmio_region *);
 161 };
 162 /**
 163  * struct ps3_mmio_region_init - Helper to initialize structure variables
 164  *
 165  * Helper to properly initialize variables prior to calling
 166  * ps3_system_bus_device_register.
 167  */
 168
 169 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
 170         struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
 171         enum ps3_mmio_page_size page_size);
 172 int ps3_mmio_region_create(struct ps3_mmio_region *r);
 173 int ps3_free_mmio_region(struct ps3_mmio_region *r);
 174 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
 175
 176 /* inrerrupt routines */
 177
 178 enum ps3_cpu_binding {
 179         PS3_BINDING_CPU_ANY = -1,
 180         PS3_BINDING_CPU_0 = 0,
 181         PS3_BINDING_CPU_1 = 1,
 182 };
 183
 184 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
 185         unsigned int *virq);
 186 int ps3_irq_plug_destroy(unsigned int virq);
 187 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
 188 int ps3_event_receive_port_destroy(unsigned int virq);
 189 int ps3_send_event_locally(unsigned int virq);
 190
 191 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
 192         unsigned int *virq);
 193 int ps3_io_irq_destroy(unsigned int virq);
 194 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
 195         unsigned int *virq);
 196 int ps3_vuart_irq_destroy(unsigned int virq);
 197 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
 198         unsigned int class, unsigned int *virq);
 199 int ps3_spe_irq_destroy(unsigned int virq);
 200
 201 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
 202         enum ps3_cpu_binding cpu, unsigned int *virq);
 203 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
 204         unsigned int virq);
 205
 206 /* lv1 result codes */
 207
 208 enum lv1_result {
 209         LV1_SUCCESS                     = 0,
 210         /* not used                       -1 */
 211         LV1_RESOURCE_SHORTAGE           = -2,
 212         LV1_NO_PRIVILEGE                = -3,
 213         LV1_DENIED_BY_POLICY            = -4,
 214         LV1_ACCESS_VIOLATION            = -5,
 215         LV1_NO_ENTRY                    = -6,
 216         LV1_DUPLICATE_ENTRY             = -7,
 217         LV1_TYPE_MISMATCH               = -8,
 218         LV1_BUSY                        = -9,
 219         LV1_EMPTY                       = -10,
 220         LV1_WRONG_STATE                 = -11,
 221         /* not used                       -12 */
 222         LV1_NO_MATCH                    = -13,
 223         LV1_ALREADY_CONNECTED           = -14,
 224         LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
 225         LV1_CONDITION_NOT_SATISFIED     = -16,
 226         LV1_ILLEGAL_PARAMETER_VALUE     = -17,
 227         LV1_BAD_OPTION                  = -18,
 228         LV1_IMPLEMENTATION_LIMITATION   = -19,
 229         LV1_NOT_IMPLEMENTED             = -20,
 230         LV1_INVALID_CLASS_ID            = -21,
 231         LV1_CONSTRAINT_NOT_SATISFIED    = -22,
 232         LV1_ALIGNMENT_ERROR             = -23,
 233         LV1_HARDWARE_ERROR              = -24,
 234         LV1_INVALID_DATA_FORMAT         = -25,
 235         LV1_INVALID_OPERATION           = -26,
 236         LV1_INTERNAL_ERROR              = -32768,
 237 };
 238
 239 static inline const char* ps3_result(int result)
 240 {
 241 #if defined(DEBUG)
 242         switch (result) {
 243         case LV1_SUCCESS:
 244                 return "LV1_SUCCESS (0)";
 245         case -1:
 246                 return "** unknown result ** (-1)";
 247         case LV1_RESOURCE_SHORTAGE:
 248                 return "LV1_RESOURCE_SHORTAGE (-2)";
 249         case LV1_NO_PRIVILEGE:
 250                 return "LV1_NO_PRIVILEGE (-3)";
 251         case LV1_DENIED_BY_POLICY:
 252                 return "LV1_DENIED_BY_POLICY (-4)";
 253         case LV1_ACCESS_VIOLATION:
 254                 return "LV1_ACCESS_VIOLATION (-5)";
 255         case LV1_NO_ENTRY:
 256                 return "LV1_NO_ENTRY (-6)";
 257         case LV1_DUPLICATE_ENTRY:
 258                 return "LV1_DUPLICATE_ENTRY (-7)";
 259         case LV1_TYPE_MISMATCH:
 260                 return "LV1_TYPE_MISMATCH (-8)";
 261         case LV1_BUSY:
 262                 return "LV1_BUSY (-9)";
 263         case LV1_EMPTY:
 264                 return "LV1_EMPTY (-10)";
 265         case LV1_WRONG_STATE:
 266                 return "LV1_WRONG_STATE (-11)";
 267         case -12:
 268                 return "** unknown result ** (-12)";
 269         case LV1_NO_MATCH:
 270                 return "LV1_NO_MATCH (-13)";
 271         case LV1_ALREADY_CONNECTED:
 272                 return "LV1_ALREADY_CONNECTED (-14)";
 273         case LV1_UNSUPPORTED_PARAMETER_VALUE:
 274                 return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
 275         case LV1_CONDITION_NOT_SATISFIED:
 276                 return "LV1_CONDITION_NOT_SATISFIED (-16)";
 277         case LV1_ILLEGAL_PARAMETER_VALUE:
 278                 return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
 279         case LV1_BAD_OPTION:
 280                 return "LV1_BAD_OPTION (-18)";
 281         case LV1_IMPLEMENTATION_LIMITATION:
 282                 return "LV1_IMPLEMENTATION_LIMITATION (-19)";
 283         case LV1_NOT_IMPLEMENTED:
 284                 return "LV1_NOT_IMPLEMENTED (-20)";
 285         case LV1_INVALID_CLASS_ID:
 286                 return "LV1_INVALID_CLASS_ID (-21)";
 287         case LV1_CONSTRAINT_NOT_SATISFIED:
 288                 return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
 289         case LV1_ALIGNMENT_ERROR:
 290                 return "LV1_ALIGNMENT_ERROR (-23)";
 291         case LV1_HARDWARE_ERROR:
 292                 return "LV1_HARDWARE_ERROR (-24)";
 293         case LV1_INVALID_DATA_FORMAT:
 294                 return "LV1_INVALID_DATA_FORMAT (-25)";
 295         case LV1_INVALID_OPERATION:
 296                 return "LV1_INVALID_OPERATION (-26)";
 297         case LV1_INTERNAL_ERROR:
 298                 return "LV1_INTERNAL_ERROR (-32768)";
 299         default:
 300                 BUG();
 301                 return "** unknown result **";
 302         };
 303 #else
 304         return "";
 305 #endif
 306 }
 307
 308 /* system bus routines */
 309
 310 enum ps3_match_id {
 311         PS3_MATCH_ID_EHCI               = 1,
 312         PS3_MATCH_ID_OHCI               = 2,
 313         PS3_MATCH_ID_GELIC              = 3,
 314         PS3_MATCH_ID_AV_SETTINGS        = 4,
 315         PS3_MATCH_ID_SYSTEM_MANAGER     = 5,
 316         PS3_MATCH_ID_STOR_DISK          = 6,
 317         PS3_MATCH_ID_STOR_ROM           = 7,
 318         PS3_MATCH_ID_STOR_FLASH         = 8,
 319         PS3_MATCH_ID_SOUND              = 9,
 320         PS3_MATCH_ID_GPU                = 10,
 321         PS3_MATCH_ID_LPM                = 11,
 322 };
 323
 324 enum ps3_match_sub_id {
 325         PS3_MATCH_SUB_ID_GPU_FB         = 1,
 326         PS3_MATCH_SUB_ID_GPU_RAMDISK    = 2,
 327 };
 328
 329 #define PS3_MODULE_ALIAS_EHCI           "ps3:1:0"
 330 #define PS3_MODULE_ALIAS_OHCI           "ps3:2:0"
 331 #define PS3_MODULE_ALIAS_GELIC          "ps3:3:0"
 332 #define PS3_MODULE_ALIAS_AV_SETTINGS    "ps3:4:0"
 333 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER "ps3:5:0"
 334 #define PS3_MODULE_ALIAS_STOR_DISK      "ps3:6:0"
 335 #define PS3_MODULE_ALIAS_STOR_ROM       "ps3:7:0"
 336 #define PS3_MODULE_ALIAS_STOR_FLASH     "ps3:8:0"
 337 #define PS3_MODULE_ALIAS_SOUND          "ps3:9:0"
 338 #define PS3_MODULE_ALIAS_GPU_FB         "ps3:10:1"
 339 #define PS3_MODULE_ALIAS_GPU_RAMDISK    "ps3:10:2"
 340 #define PS3_MODULE_ALIAS_LPM            "ps3:11:0"
 341
 342 enum ps3_system_bus_device_type {
 343         PS3_DEVICE_TYPE_IOC0 = 1,
 344         PS3_DEVICE_TYPE_SB,
 345         PS3_DEVICE_TYPE_VUART,
 346         PS3_DEVICE_TYPE_LPM,
 347 };
 348
 349 /**
 350  * struct ps3_system_bus_device - a device on the system bus
 351  */
 352
 353 struct ps3_system_bus_device {
 354         enum ps3_match_id match_id;
 355         enum ps3_match_sub_id match_sub_id;
 356         enum ps3_system_bus_device_type dev_type;
 357
 358         u64 bus_id;                       /* SB */
 359         u64 dev_id;                       /* SB */
 360         unsigned int interrupt_id;        /* SB */
 361         struct ps3_dma_region *d_region;  /* SB, IOC0 */
 362         struct ps3_mmio_region *m_region; /* SB, IOC0*/
 363         unsigned int port_number;         /* VUART */
 364         struct {                          /* LPM */
 365                 u64 node_id;
 366                 u64 pu_id;
 367                 u64 rights;
 368         } lpm;
 369
 370 /*      struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
 371         struct device core;
 372         void *driver_priv; /* private driver variables */
 373 };
 374
 375 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
 376 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
 377
 378 /**
 379  * struct ps3_system_bus_driver - a driver for a device on the system bus
 380  */
 381
 382 struct ps3_system_bus_driver {
 383         enum ps3_match_id match_id;
 384         enum ps3_match_sub_id match_sub_id;
 385         struct device_driver core;
 386         int (*probe)(struct ps3_system_bus_device *);
 387         int (*remove)(struct ps3_system_bus_device *);
 388         int (*shutdown)(struct ps3_system_bus_device *);
 389 /*      int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
 390 /*      int (*resume)(struct ps3_system_bus_device *); */
 391 };
 392
 393 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
 394 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
 395 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
 396
 397 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
 398         struct device_driver *_drv)
 399 {
 400         return container_of(_drv, struct ps3_system_bus_driver, core);
 401 }
 402 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
 403         struct device *_dev)
 404 {
 405         return container_of(_dev, struct ps3_system_bus_device, core);
 406 }
 407 static inline struct ps3_system_bus_driver *
 408         ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
 409 {
 410         BUG_ON(!_dev);
 411         BUG_ON(!_dev->core.driver);
 412         return ps3_drv_to_system_bus_drv(_dev->core.driver);
 413 }
 414
 415 /**
 416  * ps3_system_bus_set_drvdata -
 417  * @dev: device structure
 418  * @data: Data to set
 419  */
 420
 421 static inline void ps3_system_bus_set_driver_data(
 422         struct ps3_system_bus_device *dev, void *data)
 423 {
 424         dev->core.driver_data = data;
 425 }
 426 static inline void *ps3_system_bus_get_driver_data(
 427         struct ps3_system_bus_device *dev)
 428 {
 429         return dev->core.driver_data;
 430 }
 431
 432 /* These two need global scope for get_dma_ops(). */
 433
 434 extern struct bus_type ps3_system_bus_type;
 435
 436 /* system manager */
 437
 438 struct ps3_sys_manager_ops {
 439         struct ps3_system_bus_device *dev;
 440         void (*power_off)(struct ps3_system_bus_device *dev);
 441         void (*restart)(struct ps3_system_bus_device *dev);
 442 };
 443
 444 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
 445 void __noreturn ps3_sys_manager_power_off(void);
 446 void __noreturn ps3_sys_manager_restart(void);
 447 void __noreturn ps3_sys_manager_halt(void);
 448 int ps3_sys_manager_get_wol(void);
 449 void ps3_sys_manager_set_wol(int state);
 450
 451 struct ps3_prealloc {
 452     const char *name;
 453     void *address;
 454     unsigned long size;
 455     unsigned long align;
 456 };
 457
 458 extern struct ps3_prealloc ps3fb_videomemory;
 459 extern struct ps3_prealloc ps3flash_bounce_buffer;
 460
 461 /* logical performance monitor */
 462
 463 /**
 464  * enum ps3_lpm_rights - Rigths granted by the system policy module.
 465  *
 466  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
 467  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
 468  */
 469
 470 enum ps3_lpm_rights {
 471         PS3_LPM_RIGHTS_USE_LPM = 0x001,
 472         PS3_LPM_RIGHTS_USE_TB = 0x100,
 473 };
 474
 475 /**
 476  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
 477  *
 478  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
 479  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
 480  *  rights @PS3_LPM_RIGHTS_USE_TB.
 481  */
 482
 483 enum ps3_lpm_tb_type {
 484         PS3_LPM_TB_TYPE_NONE = 0,
 485         PS3_LPM_TB_TYPE_INTERNAL = 1,
 486 };
 487
 488 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 489         u64 tb_cache_size);
 490 int ps3_lpm_close(void);
 491 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
 492         unsigned long *bytes_copied);
 493 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
 494         unsigned long count, unsigned long *bytes_copied);
 495 void ps3_set_bookmark(u64 bookmark);
 496 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
 497 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
 498         u8 bus_word);
 499
 500 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
 501 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
 502 u32 ps3_read_ctr(u32 cpu, u32 ctr);
 503 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
 504
 505 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
 506 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
 507 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
 508 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
 509
 510 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
 511 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
 512
 513 void ps3_enable_pm(u32 cpu);
 514 void ps3_disable_pm(u32 cpu);
 515 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
 516 void ps3_disable_pm_interrupts(u32 cpu);
 517
 518 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
 519 void ps3_sync_irq(int node);
 520 u32 ps3_get_hw_thread_id(int cpu);
 521 u64 ps3_get_spe_id(void *arg);
 522
 523 /* mutex synchronizing GPU accesses and video mode changes */
 524 extern struct mutex ps3_gpu_mutex;
 525
 526 #endif