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 /* dma routines */
  54
  55 enum ps3_dma_page_size {
  56         PS3_DMA_4K = 12U,
  57         PS3_DMA_64K = 16U,
  58         PS3_DMA_1M = 20U,
  59         PS3_DMA_16M = 24U,
  60 };
  61
  62 enum ps3_dma_region_type {
  63         PS3_DMA_OTHER = 0,
  64         PS3_DMA_INTERNAL = 2,
  65 };
  66
  67 struct ps3_dma_region_ops;
  68
  69 /**
  70  * struct ps3_dma_region - A per device dma state variables structure
  71  * @did: The HV device id.
  72  * @page_size: The ioc pagesize.
  73  * @region_type: The HV region type.
  74  * @bus_addr: The 'translated' bus address of the region.
  75  * @len: The length in bytes of the region.
  76  * @offset: The offset from the start of memory of the region.
  77  * @ioid: The IOID of the device who owns this region
  78  * @chunk_list: Opaque variable used by the ioc page manager.
  79  * @region_ops: struct ps3_dma_region_ops - dma region operations
  80  */
  81
  82 struct ps3_dma_region {
  83         struct ps3_system_bus_device *dev;
  84         /* device variables */
  85         const struct ps3_dma_region_ops *region_ops;
  86         unsigned char ioid;
  87         enum ps3_dma_page_size page_size;
  88         enum ps3_dma_region_type region_type;
  89         unsigned long len;
  90         unsigned long offset;
  91
  92         /* driver variables  (set by ps3_dma_region_create) */
  93         unsigned long bus_addr;
  94         struct {
  95                 spinlock_t lock;
  96                 struct list_head head;
  97         } chunk_list;
  98 };
  99
 100 struct ps3_dma_region_ops {
 101         int (*create)(struct ps3_dma_region *);
 102         int (*free)(struct ps3_dma_region *);
 103         int (*map)(struct ps3_dma_region *,
 104                    unsigned long virt_addr,
 105                    unsigned long len,
 106                    unsigned long *bus_addr,
 107                    u64 iopte_pp);
 108         int (*unmap)(struct ps3_dma_region *,
 109                      unsigned long bus_addr,
 110                      unsigned long len);
 111 };
 112 /**
 113  * struct ps3_dma_region_init - Helper to initialize structure variables
 114  *
 115  * Helper to properly initialize variables prior to calling
 116  * ps3_system_bus_device_register.
 117  */
 118
 119 struct ps3_system_bus_device;
 120
 121 int ps3_dma_region_init(struct ps3_system_bus_device *dev,
 122         struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
 123         enum ps3_dma_region_type region_type, void *addr, unsigned long len);
 124 int ps3_dma_region_create(struct ps3_dma_region *r);
 125 int ps3_dma_region_free(struct ps3_dma_region *r);
 126 int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
 127         unsigned long len, unsigned long *bus_addr,
 128         u64 iopte_pp);
 129 int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr,
 130         unsigned long len);
 131
 132 /* mmio routines */
 133
 134 enum ps3_mmio_page_size {
 135         PS3_MMIO_4K = 12U,
 136         PS3_MMIO_64K = 16U
 137 };
 138
 139 struct ps3_mmio_region_ops;
 140 /**
 141  * struct ps3_mmio_region - a per device mmio state variables structure
 142  *
 143  * Current systems can be supported with a single region per device.
 144  */
 145
 146 struct ps3_mmio_region {
 147         struct ps3_system_bus_device *dev;
 148         const struct ps3_mmio_region_ops *mmio_ops;
 149         unsigned long bus_addr;
 150         unsigned long len;
 151         enum ps3_mmio_page_size page_size;
 152         unsigned long lpar_addr;
 153 };
 154
 155 struct ps3_mmio_region_ops {
 156         int (*create)(struct ps3_mmio_region *);
 157         int (*free)(struct ps3_mmio_region *);
 158 };
 159 /**
 160  * struct ps3_mmio_region_init - Helper to initialize structure variables
 161  *
 162  * Helper to properly initialize variables prior to calling
 163  * ps3_system_bus_device_register.
 164  */
 165
 166 int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
 167         struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
 168         enum ps3_mmio_page_size page_size);
 169 int ps3_mmio_region_create(struct ps3_mmio_region *r);
 170 int ps3_free_mmio_region(struct ps3_mmio_region *r);
 171 unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
 172
 173 /* inrerrupt routines */
 174
 175 enum ps3_cpu_binding {
 176         PS3_BINDING_CPU_ANY = -1,
 177         PS3_BINDING_CPU_0 = 0,
 178         PS3_BINDING_CPU_1 = 1,
 179 };
 180
 181 int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
 182         unsigned int *virq);
 183 int ps3_irq_plug_destroy(unsigned int virq);
 184 int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
 185 int ps3_event_receive_port_destroy(unsigned int virq);
 186 int ps3_send_event_locally(unsigned int virq);
 187
 188 int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
 189         unsigned int *virq);
 190 int ps3_io_irq_destroy(unsigned int virq);
 191 int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
 192         unsigned int *virq);
 193 int ps3_vuart_irq_destroy(unsigned int virq);
 194 int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
 195         unsigned int class, unsigned int *virq);
 196 int ps3_spe_irq_destroy(unsigned int virq);
 197
 198 int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
 199         enum ps3_cpu_binding cpu, unsigned int *virq);
 200 int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
 201         unsigned int virq);
 202
 203 /* lv1 result codes */
 204
 205 enum lv1_result {
 206         LV1_SUCCESS                     = 0,
 207         /* not used                       -1 */
 208         LV1_RESOURCE_SHORTAGE           = -2,
 209         LV1_NO_PRIVILEGE                = -3,
 210         LV1_DENIED_BY_POLICY            = -4,
 211         LV1_ACCESS_VIOLATION            = -5,
 212         LV1_NO_ENTRY                    = -6,
 213         LV1_DUPLICATE_ENTRY             = -7,
 214         LV1_TYPE_MISMATCH               = -8,
 215         LV1_BUSY                        = -9,
 216         LV1_EMPTY                       = -10,
 217         LV1_WRONG_STATE                 = -11,
 218         /* not used                       -12 */
 219         LV1_NO_MATCH                    = -13,
 220         LV1_ALREADY_CONNECTED           = -14,
 221         LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
 222         LV1_CONDITION_NOT_SATISFIED     = -16,
 223         LV1_ILLEGAL_PARAMETER_VALUE     = -17,
 224         LV1_BAD_OPTION                  = -18,
 225         LV1_IMPLEMENTATION_LIMITATION   = -19,
 226         LV1_NOT_IMPLEMENTED             = -20,
 227         LV1_INVALID_CLASS_ID            = -21,
 228         LV1_CONSTRAINT_NOT_SATISFIED    = -22,
 229         LV1_ALIGNMENT_ERROR             = -23,
 230         LV1_HARDWARE_ERROR              = -24,
 231         LV1_INVALID_DATA_FORMAT         = -25,
 232         LV1_INVALID_OPERATION           = -26,
 233         LV1_INTERNAL_ERROR              = -32768,
 234 };
 235
 236 static inline const char* ps3_result(int result)
 237 {
 238 #if defined(DEBUG)
 239         switch (result) {
 240         case LV1_SUCCESS:
 241                 return "LV1_SUCCESS (0)";
 242         case -1:
 243                 return "** unknown result ** (-1)";
 244         case LV1_RESOURCE_SHORTAGE:
 245                 return "LV1_RESOURCE_SHORTAGE (-2)";
 246         case LV1_NO_PRIVILEGE:
 247                 return "LV1_NO_PRIVILEGE (-3)";
 248         case LV1_DENIED_BY_POLICY:
 249                 return "LV1_DENIED_BY_POLICY (-4)";
 250         case LV1_ACCESS_VIOLATION:
 251                 return "LV1_ACCESS_VIOLATION (-5)";
 252         case LV1_NO_ENTRY:
 253                 return "LV1_NO_ENTRY (-6)";
 254         case LV1_DUPLICATE_ENTRY:
 255                 return "LV1_DUPLICATE_ENTRY (-7)";
 256         case LV1_TYPE_MISMATCH:
 257                 return "LV1_TYPE_MISMATCH (-8)";
 258         case LV1_BUSY:
 259                 return "LV1_BUSY (-9)";
 260         case LV1_EMPTY:
 261                 return "LV1_EMPTY (-10)";
 262         case LV1_WRONG_STATE:
 263                 return "LV1_WRONG_STATE (-11)";
 264         case -12:
 265                 return "** unknown result ** (-12)";
 266         case LV1_NO_MATCH:
 267                 return "LV1_NO_MATCH (-13)";
 268         case LV1_ALREADY_CONNECTED:
 269                 return "LV1_ALREADY_CONNECTED (-14)";
 270         case LV1_UNSUPPORTED_PARAMETER_VALUE:
 271                 return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
 272         case LV1_CONDITION_NOT_SATISFIED:
 273                 return "LV1_CONDITION_NOT_SATISFIED (-16)";
 274         case LV1_ILLEGAL_PARAMETER_VALUE:
 275                 return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
 276         case LV1_BAD_OPTION:
 277                 return "LV1_BAD_OPTION (-18)";
 278         case LV1_IMPLEMENTATION_LIMITATION:
 279                 return "LV1_IMPLEMENTATION_LIMITATION (-19)";
 280         case LV1_NOT_IMPLEMENTED:
 281                 return "LV1_NOT_IMPLEMENTED (-20)";
 282         case LV1_INVALID_CLASS_ID:
 283                 return "LV1_INVALID_CLASS_ID (-21)";
 284         case LV1_CONSTRAINT_NOT_SATISFIED:
 285                 return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
 286         case LV1_ALIGNMENT_ERROR:
 287                 return "LV1_ALIGNMENT_ERROR (-23)";
 288         case LV1_HARDWARE_ERROR:
 289                 return "LV1_HARDWARE_ERROR (-24)";
 290         case LV1_INVALID_DATA_FORMAT:
 291                 return "LV1_INVALID_DATA_FORMAT (-25)";
 292         case LV1_INVALID_OPERATION:
 293                 return "LV1_INVALID_OPERATION (-26)";
 294         case LV1_INTERNAL_ERROR:
 295                 return "LV1_INTERNAL_ERROR (-32768)";
 296         default:
 297                 BUG();
 298                 return "** unknown result **";
 299         };
 300 #else
 301         return "";
 302 #endif
 303 }
 304
 305 /* system bus routines */
 306
 307 enum ps3_match_id {
 308         PS3_MATCH_ID_EHCI               = 1,
 309         PS3_MATCH_ID_OHCI               = 2,
 310         PS3_MATCH_ID_GELIC              = 3,
 311         PS3_MATCH_ID_AV_SETTINGS        = 4,
 312         PS3_MATCH_ID_SYSTEM_MANAGER     = 5,
 313         PS3_MATCH_ID_STOR_DISK          = 6,
 314         PS3_MATCH_ID_STOR_ROM           = 7,
 315         PS3_MATCH_ID_STOR_FLASH         = 8,
 316         PS3_MATCH_ID_SOUND              = 9,
 317         PS3_MATCH_ID_GPU                = 10,
 318         PS3_MATCH_ID_LPM                = 11,
 319 };
 320
 321 enum ps3_match_sub_id {
 322         PS3_MATCH_SUB_ID_GPU_FB         = 1,
 323 };
 324
 325 #define PS3_MODULE_ALIAS_EHCI           "ps3:1:0"
 326 #define PS3_MODULE_ALIAS_OHCI           "ps3:2:0"
 327 #define PS3_MODULE_ALIAS_GELIC          "ps3:3:0"
 328 #define PS3_MODULE_ALIAS_AV_SETTINGS    "ps3:4:0"
 329 #define PS3_MODULE_ALIAS_SYSTEM_MANAGER "ps3:5:0"
 330 #define PS3_MODULE_ALIAS_STOR_DISK      "ps3:6:0"
 331 #define PS3_MODULE_ALIAS_STOR_ROM       "ps3:7:0"
 332 #define PS3_MODULE_ALIAS_STOR_FLASH     "ps3:8:0"
 333 #define PS3_MODULE_ALIAS_SOUND          "ps3:9:0"
 334 #define PS3_MODULE_ALIAS_GPU_FB         "ps3:10:1"
 335 #define PS3_MODULE_ALIAS_LPM            "ps3:11:0"
 336
 337 enum ps3_system_bus_device_type {
 338         PS3_DEVICE_TYPE_IOC0 = 1,
 339         PS3_DEVICE_TYPE_SB,
 340         PS3_DEVICE_TYPE_VUART,
 341         PS3_DEVICE_TYPE_LPM,
 342 };
 343
 344 /**
 345  * struct ps3_system_bus_device - a device on the system bus
 346  */
 347
 348 struct ps3_system_bus_device {
 349         enum ps3_match_id match_id;
 350         enum ps3_match_sub_id match_sub_id;
 351         enum ps3_system_bus_device_type dev_type;
 352
 353         u64 bus_id;                       /* SB */
 354         u64 dev_id;                       /* SB */
 355         unsigned int interrupt_id;        /* SB */
 356         struct ps3_dma_region *d_region;  /* SB, IOC0 */
 357         struct ps3_mmio_region *m_region; /* SB, IOC0*/
 358         unsigned int port_number;         /* VUART */
 359         struct {                          /* LPM */
 360                 u64 node_id;
 361                 u64 pu_id;
 362                 u64 rights;
 363         } lpm;
 364
 365 /*      struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
 366         struct device core;
 367         void *driver_priv; /* private driver variables */
 368 };
 369
 370 int ps3_open_hv_device(struct ps3_system_bus_device *dev);
 371 int ps3_close_hv_device(struct ps3_system_bus_device *dev);
 372
 373 /**
 374  * struct ps3_system_bus_driver - a driver for a device on the system bus
 375  */
 376
 377 struct ps3_system_bus_driver {
 378         enum ps3_match_id match_id;
 379         enum ps3_match_sub_id match_sub_id;
 380         struct device_driver core;
 381         int (*probe)(struct ps3_system_bus_device *);
 382         int (*remove)(struct ps3_system_bus_device *);
 383         int (*shutdown)(struct ps3_system_bus_device *);
 384 /*      int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
 385 /*      int (*resume)(struct ps3_system_bus_device *); */
 386 };
 387
 388 int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
 389 int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
 390 void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
 391
 392 static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
 393         struct device_driver *_drv)
 394 {
 395         return container_of(_drv, struct ps3_system_bus_driver, core);
 396 }
 397 static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
 398         struct device *_dev)
 399 {
 400         return container_of(_dev, struct ps3_system_bus_device, core);
 401 }
 402 static inline struct ps3_system_bus_driver *
 403         ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
 404 {
 405         BUG_ON(!_dev);
 406         BUG_ON(!_dev->core.driver);
 407         return ps3_drv_to_system_bus_drv(_dev->core.driver);
 408 }
 409
 410 /**
 411  * ps3_system_bus_set_drvdata -
 412  * @dev: device structure
 413  * @data: Data to set
 414  */
 415
 416 static inline void ps3_system_bus_set_driver_data(
 417         struct ps3_system_bus_device *dev, void *data)
 418 {
 419         dev->core.driver_data = data;
 420 }
 421 static inline void *ps3_system_bus_get_driver_data(
 422         struct ps3_system_bus_device *dev)
 423 {
 424         return dev->core.driver_data;
 425 }
 426
 427 /* These two need global scope for get_dma_ops(). */
 428
 429 extern struct bus_type ps3_system_bus_type;
 430
 431 /* system manager */
 432
 433 struct ps3_sys_manager_ops {
 434         struct ps3_system_bus_device *dev;
 435         void (*power_off)(struct ps3_system_bus_device *dev);
 436         void (*restart)(struct ps3_system_bus_device *dev);
 437 };
 438
 439 void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
 440 void __noreturn ps3_sys_manager_power_off(void);
 441 void __noreturn ps3_sys_manager_restart(void);
 442 void __noreturn ps3_sys_manager_halt(void);
 443 int ps3_sys_manager_get_wol(void);
 444 void ps3_sys_manager_set_wol(int state);
 445
 446 struct ps3_prealloc {
 447     const char *name;
 448     void *address;
 449     unsigned long size;
 450     unsigned long align;
 451 };
 452
 453 extern struct ps3_prealloc ps3fb_videomemory;
 454 extern struct ps3_prealloc ps3flash_bounce_buffer;
 455
 456 /* logical performance monitor */
 457
 458 /**
 459  * enum ps3_lpm_rights - Rigths granted by the system policy module.
 460  *
 461  * @PS3_LPM_RIGHTS_USE_LPM: The right to use the lpm.
 462  * @PS3_LPM_RIGHTS_USE_TB: The right to use the internal trace buffer.
 463  */
 464
 465 enum ps3_lpm_rights {
 466         PS3_LPM_RIGHTS_USE_LPM = 0x001,
 467         PS3_LPM_RIGHTS_USE_TB = 0x100,
 468 };
 469
 470 /**
 471  * enum ps3_lpm_tb_type - Type of trace buffer lv1 should use.
 472  *
 473  * @PS3_LPM_TB_TYPE_NONE: Do not use a trace buffer.
 474  * @PS3_LPM_RIGHTS_USE_TB: Use the lv1 internal trace buffer.  Must have
 475  *  rights @PS3_LPM_RIGHTS_USE_TB.
 476  */
 477
 478 enum ps3_lpm_tb_type {
 479         PS3_LPM_TB_TYPE_NONE = 0,
 480         PS3_LPM_TB_TYPE_INTERNAL = 1,
 481 };
 482
 483 int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
 484         u64 tb_cache_size);
 485 int ps3_lpm_close(void);
 486 int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
 487         unsigned long *bytes_copied);
 488 int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
 489         unsigned long count, unsigned long *bytes_copied);
 490 void ps3_set_bookmark(u64 bookmark);
 491 void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
 492 int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
 493         u8 bus_word);
 494
 495 u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
 496 void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
 497 u32 ps3_read_ctr(u32 cpu, u32 ctr);
 498 void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);
 499
 500 u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
 501 void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
 502 u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
 503 void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);
 504
 505 u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
 506 void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);
 507
 508 void ps3_enable_pm(u32 cpu);
 509 void ps3_disable_pm(u32 cpu);
 510 void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
 511 void ps3_disable_pm_interrupts(u32 cpu);
 512
 513 u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
 514 void ps3_sync_irq(int node);
 515 u32 ps3_get_hw_thread_id(int cpu);
 516 u64 ps3_get_spe_id(void *arg);
 517
 518 /* mutex synchronizing GPU accesses and video mode changes */
 519 extern struct mutex ps3_gpu_mutex;
 520
 521 #endif