include/asm-powerpc/ps3.h - maze/linux - Git at Google

 /*
  *  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>

 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);

 /* '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);

 /**
  * 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
 }

 /* 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;

 /* vuart routines */

 struct ps3_vuart_stats {
 	unsigned long bytes_written;
 	unsigned long bytes_read;
 	unsigned long tx_interrupts;
 	unsigned long rx_interrupts;
 	unsigned long disconnect_interrupts;
 };

 /**
  * struct ps3_vuart_port_device - a device on a vuart port
  */

 struct ps3_vuart_port_device {
 	enum ps3_match_id match_id;
 	struct device core;

 	/* private driver variables */
 	unsigned int port_number;
 	u64 interrupt_mask;
 	struct {
 		spinlock_t lock;
 		struct list_head head;
 	} tx_list;
 	struct {
 		unsigned long bytes_held;
 		spinlock_t lock;
 		struct list_head head;
 	} rx_list;
 	struct ps3_vuart_stats stats;
 };

 int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev);

 #endif
	/*
	* 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>

	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);

	/* '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);

	/**
	* 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
	}

	/* 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;

	/* vuart routines */

	struct ps3_vuart_stats {
	unsigned long bytes_written;
	unsigned long bytes_read;
	unsigned long tx_interrupts;
	unsigned long rx_interrupts;
	unsigned long disconnect_interrupts;
	};

	/**
	* struct ps3_vuart_port_device - a device on a vuart port
	*/

	struct ps3_vuart_port_device {
	enum ps3_match_id match_id;
	struct device core;

	/* private driver variables */
	unsigned int port_number;
	u64 interrupt_mask;
	struct {
	spinlock_t lock;
	struct list_head head;
	} tx_list;
	struct {
	unsigned long bytes_held;
	spinlock_t lock;
	struct list_head head;
	} rx_list;
	struct ps3_vuart_stats stats;
	};

	int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev);

	#endif