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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/compiler.h> /* for __deprecated */
#include <linux/init.h>
#include <linux/types.h>
#include <linux/device.h>
#include <scsi/scsi.h>

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

int ps3_get_firmware_version(union ps3_firmware_version *v);

/**
 * struct ps3_device_id - HV bus device identifier from the system repository
 * @bus_id: HV bus id, {1..} (zero invalid)
 * @dev_id: HV device id, {0..}
 */

struct ps3_device_id {
	unsigned int bus_id;
	unsigned int dev_id;
};


/* 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 - A per device dma state variables structure
 * @did: The HV device id.
 * @page_size: The ioc pagesize.
 * @region_type: The HV region type.
 * @bus_addr: The 'translated' bus address of the region.
 * @len: The length in bytes of the region.
 * @chunk_list: Opaque variable used by the ioc page manager.
 */

struct ps3_dma_region {
	struct ps3_device_id did;
	enum ps3_dma_page_size page_size;
	enum ps3_dma_region_type region_type;
	unsigned long bus_addr;
	unsigned long len;
	struct {
		spinlock_t lock;
		struct list_head head;
	} chunk_list;
};

/**
 * struct ps3_dma_region_init - Helper to initialize structure variables
 *
 * Helper to properly initialize variables prior to calling
 * ps3_system_bus_device_register.
 */

static inline void ps3_dma_region_init(struct ps3_dma_region *r,
	const struct ps3_device_id* did, enum ps3_dma_page_size page_size,
	enum ps3_dma_region_type region_type)
{
	r->did = *did;
	r->page_size = page_size;
	r->region_type = region_type;
}
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, unsigned long *bus_addr);
int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr,
	unsigned long len);

/* mmio routines */

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

/**
 * struct ps3_mmio_region - a per device mmio state variables structure
 *
 * Current systems can be supported with a single region per device.
 */

struct ps3_mmio_region {
	struct ps3_device_id did;
	unsigned long bus_addr;
	unsigned long len;
	enum ps3_mmio_page_size page_size;
	unsigned long lpar_addr;
};

/**
 * struct ps3_mmio_region_init - Helper to initialize structure variables
 *
 * Helper to properly initialize variables prior to calling
 * ps3_system_bus_device_register.
 */

static inline void ps3_mmio_region_init(struct ps3_mmio_region *r,
	const struct ps3_device_id* did, unsigned long bus_addr,
	unsigned long len, enum ps3_mmio_page_size page_size)
{
	r->did = *did;
	r->bus_addr = bus_addr;
	r->len = len;
	r->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_alloc_io_irq(enum ps3_cpu_binding cpu, unsigned int interrupt_id,
	unsigned int *virq);
int ps3_free_io_irq(unsigned int virq);
int ps3_alloc_event_irq(enum ps3_cpu_binding cpu, unsigned int *virq);
int ps3_free_event_irq(unsigned int virq);
int ps3_send_event_locally(unsigned int virq);
int ps3_connect_event_irq(enum ps3_cpu_binding cpu,
	const struct ps3_device_id *did, unsigned int interrupt_id,
	unsigned int *virq);
int ps3_disconnect_event_irq(const struct ps3_device_id *did,
	unsigned int interrupt_id, unsigned int virq);
int ps3_alloc_vuart_irq(enum ps3_cpu_binding cpu, void* virt_addr_bmp,
	unsigned int *virq);
int ps3_free_vuart_irq(unsigned int virq);
int ps3_alloc_spe_irq(enum ps3_cpu_binding cpu, unsigned long spe_id,
	unsigned int class, unsigned int *virq);
int ps3_free_spe_irq(unsigned int virq);
int ps3_alloc_irq(enum ps3_cpu_binding cpu, unsigned long outlet,
	unsigned int *virq);
int ps3_free_irq(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_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_INTERNAL_ERROR:
		return "LV1_INTERNAL_ERROR (-32768)";
	default:
		BUG();
		return "** unknown result **";
	};
#else
	return "";
#endif
}

/* repository bus info */

enum ps3_bus_type {
	PS3_BUS_TYPE_SB = 4,
	PS3_BUS_TYPE_STORAGE = 5,
};

enum ps3_dev_type {
	PS3_DEV_TYPE_STOR_DISK = TYPE_DISK,	/* 0 */
	PS3_DEV_TYPE_SB_GELIC = 3,
	PS3_DEV_TYPE_SB_USB = 4,
	PS3_DEV_TYPE_STOR_ROM = TYPE_ROM,	/* 5 */
	PS3_DEV_TYPE_SB_GPIO = 6,
	PS3_DEV_TYPE_STOR_FLASH = TYPE_RBC,	/* 14 */
};

int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str,
	u64 *value);
int ps3_repository_read_bus_id(unsigned int bus_index, unsigned int *bus_id);
int ps3_repository_read_bus_type(unsigned int bus_index,
	enum ps3_bus_type *bus_type);
int ps3_repository_read_bus_num_dev(unsigned int bus_index,
	unsigned int *num_dev);

/* repository bus device info */

enum ps3_interrupt_type {
	PS3_INTERRUPT_TYPE_EVENT_PORT = 2,
	PS3_INTERRUPT_TYPE_SB_OHCI = 3,
	PS3_INTERRUPT_TYPE_SB_EHCI = 4,
	PS3_INTERRUPT_TYPE_OTHER = 5,
};

enum ps3_reg_type {
	PS3_REG_TYPE_SB_OHCI = 3,
	PS3_REG_TYPE_SB_EHCI = 4,
	PS3_REG_TYPE_SB_GPIO = 5,
};

int ps3_repository_read_dev_str(unsigned int bus_index,
	unsigned int dev_index, const char *dev_str, u64 *value);
int ps3_repository_read_dev_id(unsigned int bus_index, unsigned int dev_index,
	unsigned int *dev_id);
int ps3_repository_read_dev_type(unsigned int bus_index,
	unsigned int dev_index, enum ps3_dev_type *dev_type);
int ps3_repository_read_dev_intr(unsigned int bus_index,
	unsigned int dev_index, unsigned int intr_index,
	enum ps3_interrupt_type *intr_type, unsigned int *interrupt_id);
int ps3_repository_read_dev_reg_type(unsigned int bus_index,
	unsigned int dev_index, unsigned int reg_index,
	enum ps3_reg_type *reg_type);
int ps3_repository_read_dev_reg_addr(unsigned int bus_index,
	unsigned int dev_index, unsigned int reg_index, u64 *bus_addr,
	u64 *len);
int ps3_repository_read_dev_reg(unsigned int bus_index,
	unsigned int dev_index, unsigned int reg_index,
	enum ps3_reg_type *reg_type, u64 *bus_addr, u64 *len);

/* repository bus enumerators */

struct ps3_repository_device {
	unsigned int bus_index;
	unsigned int dev_index;
	struct ps3_device_id did;
};

int ps3_repository_find_device(enum ps3_bus_type bus_type,
	enum ps3_dev_type dev_type,
	const struct ps3_repository_device *start_dev,
	struct ps3_repository_device *dev);
static inline int ps3_repository_find_first_device(
	enum ps3_bus_type bus_type, enum ps3_dev_type dev_type,
	struct ps3_repository_device *dev)
{
	return ps3_repository_find_device(bus_type, dev_type, NULL, dev);
}
int ps3_repository_find_interrupt(const struct ps3_repository_device *dev,
	enum ps3_interrupt_type intr_type, unsigned int *interrupt_id);
int ps3_repository_find_reg(const struct ps3_repository_device *dev,
	enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len);

/* repository block device info */

int ps3_repository_read_stor_dev_port(unsigned int bus_index,
	unsigned int dev_index, u64 *port);
int ps3_repository_read_stor_dev_blk_size(unsigned int bus_index,
	unsigned int dev_index, u64 *blk_size);
int ps3_repository_read_stor_dev_num_blocks(unsigned int bus_index,
	unsigned int dev_index, u64 *num_blocks);
int ps3_repository_read_stor_dev_num_regions(unsigned int bus_index,
	unsigned int dev_index, unsigned int *num_regions);
int ps3_repository_read_stor_dev_region_id(unsigned int bus_index,
	unsigned int dev_index, unsigned int region_index,
	unsigned int *region_id);
int ps3_repository_read_stor_dev_region_size(unsigned int bus_index,
	unsigned int dev_index,	unsigned int region_index, u64 *region_size);
int ps3_repository_read_stor_dev_region_start(unsigned int bus_index,
	unsigned int dev_index, unsigned int region_index, u64 *region_start);
int ps3_repository_read_stor_dev_info(unsigned int bus_index,
	unsigned int dev_index, u64 *port, u64 *blk_size,
	u64 *num_blocks, unsigned int *num_regions);
int ps3_repository_read_stor_dev_region(unsigned int bus_index,
	unsigned int dev_index, unsigned int region_index,
	unsigned int *region_id, u64 *region_start, u64 *region_size);

/* repository pu and memory info */

int ps3_repository_read_num_pu(unsigned int *num_pu);
int ps3_repository_read_ppe_id(unsigned int *pu_index, unsigned int *ppe_id);
int ps3_repository_read_rm_base(unsigned int ppe_id, u64 *rm_base);
int ps3_repository_read_rm_size(unsigned int ppe_id, u64 *rm_size);
int ps3_repository_read_region_total(u64 *region_total);
int ps3_repository_read_mm_info(u64 *rm_base, u64 *rm_size,
	u64 *region_total);

/* repository pme info */

int ps3_repository_read_num_be(unsigned int *num_be);
int ps3_repository_read_be_node_id(unsigned int be_index, u64 *node_id);
int ps3_repository_read_tb_freq(u64 node_id, u64 *tb_freq);
int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq);

/* repository 'Other OS' area */

int ps3_repository_read_boot_dat_addr(u64 *lpar_addr);
int ps3_repository_read_boot_dat_size(unsigned int *size);
int ps3_repository_read_boot_dat_info(u64 *lpar_addr, unsigned int *size);

/* repository spu info */

/**
 * enum spu_resource_type - Type of spu resource.
 * @spu_resource_type_shared: Logical spu is shared with other partions.
 * @spu_resource_type_exclusive: Logical spu is not shared with other partions.
 *
 * Returned by ps3_repository_read_spu_resource_id().
 */

enum ps3_spu_resource_type {
	PS3_SPU_RESOURCE_TYPE_SHARED = 0,
	PS3_SPU_RESOURCE_TYPE_EXCLUSIVE = 0x8000000000000000UL,
};

int ps3_repository_read_num_spu_reserved(unsigned int *num_spu_reserved);
int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id);
int ps3_repository_read_spu_resource_id(unsigned int res_index,
	enum ps3_spu_resource_type* resource_type, unsigned int *resource_id);


/* system bus routines */

enum ps3_match_id {
	PS3_MATCH_ID_EHCI = 1,
	PS3_MATCH_ID_OHCI,
	PS3_MATCH_ID_GELIC,
	PS3_MATCH_ID_AV_SETTINGS,
	PS3_MATCH_ID_SYSTEM_MANAGER,
};

/**
 * struct ps3_system_bus_device - a device on the system bus
 */

struct ps3_system_bus_device {
	enum ps3_match_id match_id;
	struct ps3_device_id did;
	unsigned int interrupt_id;
/*	struct iommu_table *iommu_table; -- waiting for Ben's cleanups */
	struct ps3_dma_region *d_region;
	struct ps3_mmio_region *m_region;
	struct device core;
};

/**
 * struct ps3_system_bus_driver - a driver for a device on the system bus
 */

struct ps3_system_bus_driver {
	enum ps3_match_id match_id;
	struct device_driver core;
	int (*probe)(struct ps3_system_bus_device *);
	int (*remove)(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 *to_ps3_system_bus_driver(
	struct device_driver *_drv)
{
	return container_of(_drv, struct ps3_system_bus_driver, core);
}
static inline struct ps3_system_bus_device *to_ps3_system_bus_device(
	struct device *_dev)
{
	return container_of(_dev, struct ps3_system_bus_device, core);
}

/**
 * ps3_system_bus_set_drvdata -
 * @dev: device structure
 * @data: Data to set
 */

static inline void ps3_system_bus_set_driver_data(
	struct ps3_system_bus_device *dev, void *data)
{
	dev->core.driver_data = data;
}
static inline void *ps3_system_bus_get_driver_data(
	struct ps3_system_bus_device *dev)
{
	return dev->core.driver_data;
}

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

extern struct bus_type ps3_system_bus_type;

#endif
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