path: root/arch/powerpc/include/asm/ps3.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  PS3 platform declarations.
 *
 *  Copyright (C) 2006 Sony Computer Entertainment Inc.
 *  Copyright 2006 Sony Corp.
 */

#if !defined(_ASM_POWERPC_PS3_H)
#define _ASM_POWERPC_PS3_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 - 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.
 * @offset: The offset from the start of memory of the region.
 * @ioid: The IOID of the device who owns this region
 * @chunk_list: Opaque variable used by the ioc page manager.
 * @region_ops: struct ps3_dma_region_ops - dma region operations
 */

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

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

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

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) || defined(PS3_VERBOSE_RESULT)
	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)";