ps3.h

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/*
 *  PS3 platform declarations.
 *
 *  Copyright (C) 2006 Sony Computer Entertainment Inc.
 *  Copyright 2006 Sony Corp.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#if !defined(_ASM_POWERPC_PS3_H)
#define _ASM_POWERPC_PS3_H

#include <linux/init.h>
#include <linux/types.h>
#include <linux/device.h>
#include <asm/cell-pmu.h>

union ps3_firmware_version {
    u64 raw;
    struct {
        u16 pad;
        u16 major;
        u16 minor;
        u16 rev;
    };
};

void ps3_get_firmware_version(union ps3_firmware_version *v);
int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev);

/* 'Other OS' area */

enum ps3_param_av_multi_out {
    PS3_PARAM_AV_MULTI_OUT_NTSC = 0,
    PS3_PARAM_AV_MULTI_OUT_PAL_RGB = 1,
    PS3_PARAM_AV_MULTI_OUT_PAL_YCBCR = 2,
    PS3_PARAM_AV_MULTI_OUT_SECAM = 3,
};

enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);

extern u64 ps3_os_area_get_rtc_diff(void);
extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);

struct ps3_os_area_flash_ops {
    ssize_t (*read)(void *buf, size_t count, loff_t pos);
    ssize_t (*write)(const void *buf, size_t count, loff_t pos);
};

extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);

/* dma routines */

enum ps3_dma_page_size {
    PS3_DMA_4K = 12U,
    PS3_DMA_64K = 16U,
    PS3_DMA_1M = 20U,
    PS3_DMA_16M = 24U,
};

enum ps3_dma_region_type {
    PS3_DMA_OTHER = 0,
    PS3_DMA_INTERNAL = 2,
};

struct ps3_dma_region_ops;

struct ps3_dma_region {
    struct ps3_system_bus_device *dev;
    /* device variables */
    const struct ps3_dma_region_ops *region_ops;
    unsigned char ioid;
    enum ps3_dma_page_size page_size;
    enum ps3_dma_region_type region_type;
    unsigned long len;
    unsigned long offset;

    /* driver variables  (set by ps3_dma_region_create) */
    unsigned long bus_addr;
    struct {
        spinlock_t lock;
        struct list_head head;
    } chunk_list;
};

struct ps3_dma_region_ops {
    int (*create)(struct ps3_dma_region *);
    int (*free)(struct ps3_dma_region *);
    int (*map)(struct ps3_dma_region *,
           unsigned long virt_addr,
           unsigned long len,
           dma_addr_t *bus_addr,
           u64 iopte_pp);
    int (*unmap)(struct ps3_dma_region *,
             dma_addr_t bus_addr,
             unsigned long len);
};
struct ps3_system_bus_device;

int ps3_dma_region_init(struct ps3_system_bus_device *dev,
    struct ps3_dma_region *r, enum ps3_dma_page_size page_size,
    enum ps3_dma_region_type region_type, void *addr, unsigned long len);
int ps3_dma_region_create(struct ps3_dma_region *r);
int ps3_dma_region_free(struct ps3_dma_region *r);
int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
    unsigned long len, dma_addr_t *bus_addr,
    u64 iopte_pp);
int ps3_dma_unmap(struct ps3_dma_region *r, dma_addr_t bus_addr,
    unsigned long len);

/* mmio routines */

enum ps3_mmio_page_size {
    PS3_MMIO_4K = 12U,
    PS3_MMIO_64K = 16U
};

struct ps3_mmio_region_ops;
struct ps3_mmio_region {
    struct ps3_system_bus_device *dev;
    const struct ps3_mmio_region_ops *mmio_ops;
    unsigned long bus_addr;
    unsigned long len;
    enum ps3_mmio_page_size page_size;
    unsigned long lpar_addr;
};

struct ps3_mmio_region_ops {
    int (*create)(struct ps3_mmio_region *);
    int (*free)(struct ps3_mmio_region *);
};
int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
    struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len,
    enum ps3_mmio_page_size page_size);
int ps3_mmio_region_create(struct ps3_mmio_region *r);
int ps3_free_mmio_region(struct ps3_mmio_region *r);
unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);

/* inrerrupt routines */

enum ps3_cpu_binding {
    PS3_BINDING_CPU_ANY = -1,
    PS3_BINDING_CPU_0 = 0,
    PS3_BINDING_CPU_1 = 1,
};

int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet,
    unsigned int *virq);
int ps3_irq_plug_destroy(unsigned int virq);
int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq);
int ps3_event_receive_port_destroy(unsigned int virq);
int ps3_send_event_locally(unsigned int virq);

int ps3_io_irq_setup(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
    unsigned int *virq);
int ps3_io_irq_destroy(unsigned int virq);
int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
    unsigned int *virq);
int ps3_vuart_irq_destroy(unsigned int virq);
int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id,
    unsigned int class, unsigned int *virq);
int ps3_spe_irq_destroy(unsigned int virq);

int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev,
    enum ps3_cpu_binding cpu, unsigned int *virq);
int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev,
    unsigned int virq);

/* lv1 result codes */

enum lv1_result {
    LV1_SUCCESS                     = 0,
    /* not used                       -1 */
    LV1_RESOURCE_SHORTAGE           = -2,
    LV1_NO_PRIVILEGE                = -3,
    LV1_DENIED_BY_POLICY            = -4,
    LV1_ACCESS_VIOLATION            = -5,
    LV1_NO_ENTRY                    = -6,
    LV1_DUPLICATE_ENTRY             = -7,
    LV1_TYPE_MISMATCH               = -8,
    LV1_BUSY                        = -9,
    LV1_EMPTY                       = -10,
    LV1_WRONG_STATE                 = -11,
    /* not used                       -12 */
    LV1_NO_MATCH                    = -13,
    LV1_ALREADY_CONNECTED           = -14,
    LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
    LV1_CONDITION_NOT_SATISFIED     = -16,
    LV1_ILLEGAL_PARAMETER_VALUE     = -17,
    LV1_BAD_OPTION                  = -18,
    LV1_IMPLEMENTATION_LIMITATION   = -19,
    LV1_NOT_IMPLEMENTED             = -20,
    LV1_INVALID_CLASS_ID            = -21,
    LV1_CONSTRAINT_NOT_SATISFIED    = -22,
    LV1_ALIGNMENT_ERROR             = -23,
    LV1_HARDWARE_ERROR              = -24,
    LV1_INVALID_DATA_FORMAT         = -25,
    LV1_INVALID_OPERATION           = -26,
    LV1_INTERNAL_ERROR              = -32768,
};

static inline const char* ps3_result(int result)
{
#if defined(DEBUG)
    switch (result) {
    case LV1_SUCCESS:
        return "LV1_SUCCESS (0)";
    case -1:
        return "** unknown result ** (-1)";
    case LV1_RESOURCE_SHORTAGE:
        return "LV1_RESOURCE_SHORTAGE (-2)";
    case LV1_NO_PRIVILEGE:
        return "LV1_NO_PRIVILEGE (-3)";
    case LV1_DENIED_BY_POLICY:
        return "LV1_DENIED_BY_POLICY (-4)";
    case LV1_ACCESS_VIOLATION:
        return "LV1_ACCESS_VIOLATION (-5)";
    case LV1_NO_ENTRY:
        return "LV1_NO_ENTRY (-6)";
    case LV1_DUPLICATE_ENTRY:
        return "LV1_DUPLICATE_ENTRY (-7)";
    case LV1_TYPE_MISMATCH:
        return "LV1_TYPE_MISMATCH (-8)";
    case LV1_BUSY:
        return "LV1_BUSY (-9)";
    case LV1_EMPTY:
        return "LV1_EMPTY (-10)";
    case LV1_WRONG_STATE:
        return "LV1_WRONG_STATE (-11)";
    case -12:
        return "** unknown result ** (-12)";
    case LV1_NO_MATCH:
        return "LV1_NO_MATCH (-13)";
    case LV1_ALREADY_CONNECTED:
        return "LV1_ALREADY_CONNECTED (-14)";
    case LV1_UNSUPPORTED_PARAMETER_VALUE:
        return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
    case LV1_CONDITION_NOT_SATISFIED:
        return "LV1_CONDITION_NOT_SATISFIED (-16)";
    case LV1_ILLEGAL_PARAMETER_VALUE:
        return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
    case LV1_BAD_OPTION:
        return "LV1_BAD_OPTION (-18)";
    case LV1_IMPLEMENTATION_LIMITATION:
        return "LV1_IMPLEMENTATION_LIMITATION (-19)";
    case LV1_NOT_IMPLEMENTED:
        return "LV1_NOT_IMPLEMENTED (-20)";
    case LV1_INVALID_CLASS_ID:
        return "LV1_INVALID_CLASS_ID (-21)";
    case LV1_CONSTRAINT_NOT_SATISFIED:
        return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
    case LV1_ALIGNMENT_ERROR:
        return "LV1_ALIGNMENT_ERROR (-23)";
    case LV1_HARDWARE_ERROR:
        return "LV1_HARDWARE_ERROR (-24)";
    case LV1_INVALID_DATA_FORMAT:
        return "LV1_INVALID_DATA_FORMAT (-25)";
    case LV1_INVALID_OPERATION:
        return "LV1_INVALID_OPERATION (-26)";
    case LV1_INTERNAL_ERROR:
        return "LV1_INTERNAL_ERROR (-32768)";
    default:
        BUG();
        return "** unknown result **";
    };
#else
    return "";
#endif
}

/* system bus routines */

enum ps3_match_id {
    PS3_MATCH_ID_EHCI       = 1,
    PS3_MATCH_ID_OHCI       = 2,
    PS3_MATCH_ID_GELIC      = 3,
    PS3_MATCH_ID_AV_SETTINGS    = 4,
    PS3_MATCH_ID_SYSTEM_MANAGER = 5,
    PS3_MATCH_ID_STOR_DISK      = 6,
    PS3_MATCH_ID_STOR_ROM       = 7,
    PS3_MATCH_ID_STOR_FLASH     = 8,
    PS3_MATCH_ID_SOUND      = 9,
    PS3_MATCH_ID_GPU        = 10,
    PS3_MATCH_ID_LPM        = 11,
};

enum ps3_match_sub_id {
    PS3_MATCH_SUB_ID_GPU_FB     = 1,
    PS3_MATCH_SUB_ID_GPU_RAMDISK    = 2,
};

#define PS3_MODULE_ALIAS_EHCI       "ps3:1:0"
#define PS3_MODULE_ALIAS_OHCI       "ps3:2:0"
#define PS3_MODULE_ALIAS_GELIC      "ps3:3:0"
#define PS3_MODULE_ALIAS_AV_SETTINGS    "ps3:4:0"
#define PS3_MODULE_ALIAS_SYSTEM_MANAGER "ps3:5:0"
#define PS3_MODULE_ALIAS_STOR_DISK  "ps3:6:0"
#define PS3_MODULE_ALIAS_STOR_ROM   "ps3:7:0"
#define PS3_MODULE_ALIAS_STOR_FLASH "ps3:8:0"
#define PS3_MODULE_ALIAS_SOUND      "ps3:9:0"
#define PS3_MODULE_ALIAS_GPU_FB     "ps3:10:1"
#define PS3_MODULE_ALIAS_GPU_RAMDISK    "ps3:10:2"
#define PS3_MODULE_ALIAS_LPM        "ps3:11:0"

enum ps3_system_bus_device_type {
    PS3_DEVICE_TYPE_IOC0 = 1,
    PS3_DEVICE_TYPE_SB,
    PS3_DEVICE_TYPE_VUART,
    PS3_DEVICE_TYPE_LPM,
};

struct ps3_system_bus_device {
    enum ps3_match_id match_id;
    enum ps3_match_sub_id match_sub_id;
    enum ps3_system_bus_device_type dev_type;

    u64 bus_id;                       /* SB */
    u64 dev_id;                       /* SB */
    unsigned int interrupt_id;        /* SB */
    struct ps3_dma_region *d_region;  /* SB, IOC0 */
    struct ps3_mmio_region *m_region; /* SB, IOC0*/
    unsigned int port_number;         /* VUART */
    struct {                          /* LPM */
        u64 node_id;
        u64 pu_id;
        u64 rights;
    } lpm;

/*  struct iommu_table *iommu_table; -- waiting for BenH's cleanups */
    struct device core;
    void *driver_priv; /* private driver variables */
};

int ps3_open_hv_device(struct ps3_system_bus_device *dev);
int ps3_close_hv_device(struct ps3_system_bus_device *dev);

struct ps3_system_bus_driver {
    enum ps3_match_id match_id;
    enum ps3_match_sub_id match_sub_id;
    struct device_driver core;
    int (*probe)(struct ps3_system_bus_device *);
    int (*remove)(struct ps3_system_bus_device *);
    int (*shutdown)(struct ps3_system_bus_device *);
/*  int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
/*  int (*resume)(struct ps3_system_bus_device *); */
};

int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);

static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
    struct device_driver *_drv)
{
    return container_of(_drv, struct ps3_system_bus_driver, core);
}
static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
    struct device *_dev)
{
    return container_of(_dev, struct ps3_system_bus_device, core);
}
static inline struct ps3_system_bus_driver *
    ps3_system_bus_dev_to_system_bus_drv(struct ps3_system_bus_device *_dev)
{
    BUG_ON(!_dev);
    BUG_ON(!_dev->core.driver);
    return ps3_drv_to_system_bus_drv(_dev->core.driver);
}

static inline void ps3_system_bus_set_drvdata(
    struct ps3_system_bus_device *dev, void *data)
{
    dev_set_drvdata(&dev->core, data);
}
static inline void *ps3_system_bus_get_drvdata(
    struct ps3_system_bus_device *dev)
{
    return dev_get_drvdata(&dev->core);
}

/* These two need global scope for get_dma_ops(). */

extern struct bus_type ps3_system_bus_type;

/* system manager */

struct ps3_sys_manager_ops {
    struct ps3_system_bus_device *dev;
    void (*power_off)(struct ps3_system_bus_device *dev);
    void (*restart)(struct ps3_system_bus_device *dev);
};

void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops);
void __noreturn ps3_sys_manager_power_off(void);
void __noreturn ps3_sys_manager_restart(void);
void __noreturn ps3_sys_manager_halt(void);
int ps3_sys_manager_get_wol(void);
void ps3_sys_manager_set_wol(int state);

struct ps3_prealloc {
    const char *name;
    void *address;
    unsigned long size;
    unsigned long align;
};

extern struct ps3_prealloc ps3fb_videomemory;
extern struct ps3_prealloc ps3flash_bounce_buffer;

/* logical performance monitor */

enum ps3_lpm_rights {
    PS3_LPM_RIGHTS_USE_LPM = 0x001,
    PS3_LPM_RIGHTS_USE_TB = 0x100,
};

enum ps3_lpm_tb_type {
    PS3_LPM_TB_TYPE_NONE = 0,
    PS3_LPM_TB_TYPE_INTERNAL = 1,
};

int ps3_lpm_open(enum ps3_lpm_tb_type tb_type, void *tb_cache,
    u64 tb_cache_size);
int ps3_lpm_close(void);
int ps3_lpm_copy_tb(unsigned long offset, void *buf, unsigned long count,
    unsigned long *bytes_copied);
int ps3_lpm_copy_tb_to_user(unsigned long offset, void __user *buf,
    unsigned long count, unsigned long *bytes_copied);
void ps3_set_bookmark(u64 bookmark);
void ps3_set_pm_bookmark(u64 tag, u64 incident, u64 th_id);
int ps3_set_signal(u64 rtas_signal_group, u8 signal_bit, u16 sub_unit,
    u8 bus_word);

u32 ps3_read_phys_ctr(u32 cpu, u32 phys_ctr);
void ps3_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val);
u32 ps3_read_ctr(u32 cpu, u32 ctr);
void ps3_write_ctr(u32 cpu, u32 ctr, u32 val);

u32 ps3_read_pm07_control(u32 cpu, u32 ctr);
void ps3_write_pm07_control(u32 cpu, u32 ctr, u32 val);
u32 ps3_read_pm(u32 cpu, enum pm_reg_name reg);
void ps3_write_pm(u32 cpu, enum pm_reg_name reg, u32 val);

u32 ps3_get_ctr_size(u32 cpu, u32 phys_ctr);
void ps3_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size);

void ps3_enable_pm(u32 cpu);
void ps3_disable_pm(u32 cpu);
void ps3_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask);
void ps3_disable_pm_interrupts(u32 cpu);

u32 ps3_get_and_clear_pm_interrupts(u32 cpu);
void ps3_sync_irq(int node);
u32 ps3_get_hw_thread_id(int cpu);
u64 ps3_get_spe_id(void *arg);

#endif