/* Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * 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.
 *
 */
#ifndef __ADRENO_H
#define __ADRENO_H

#include "kgsl_device.h"
#include "adreno_drawctxt.h"
#include "adreno_ringbuffer.h"

#define DEVICE_3D_NAME "kgsl-3d"
#define DEVICE_3D0_NAME "kgsl-3d0"

#define ADRENO_DEVICE(device) \
		KGSL_CONTAINER_OF(device, struct adreno_device, dev)

/* Flags to control command packet settings */
#define KGSL_CMD_FLAGS_PMODE		0x00000001
#define KGSL_CMD_FLAGS_NO_TS_CMP	0x00000002
#define KGSL_CMD_FLAGS_NOT_KERNEL_CMD	0x00000004

/* Command identifiers */
#define KGSL_CONTEXT_TO_MEM_IDENTIFIER	0xDEADBEEF
#define KGSL_CMD_IDENTIFIER		0xFEEDFACE

#ifdef CONFIG_MSM_SCM
#define ADRENO_DEFAULT_PWRSCALE_POLICY  (&kgsl_pwrscale_policy_tz)
#else
#define ADRENO_DEFAULT_PWRSCALE_POLICY  NULL
#endif

enum adreno_gpurev {
	ADRENO_REV_UNKNOWN = 0,
	ADRENO_REV_A200 = 200,
	ADRENO_REV_A205 = 205,
	ADRENO_REV_A220 = 220,
	ADRENO_REV_A225 = 225,
};

struct adreno_gpudev;

struct adreno_device {
	struct kgsl_device dev;    /* Must be first field in this struct */
	unsigned int chip_id;
	enum adreno_gpurev gpurev;
	struct kgsl_memregion gmemspace;
	struct adreno_context *drawctxt_active;
	wait_queue_head_t ib1_wq;
	unsigned int *pfp_fw;
	size_t pfp_fw_size;
	unsigned int *pm4_fw;
	size_t pm4_fw_size;
	struct adreno_ringbuffer ringbuffer;
	unsigned int mharb;
	struct adreno_gpudev *gpudev;
};

struct adreno_gpudev {
	int (*ctxt_gpustate_shadow)(struct adreno_device *,
		struct adreno_context *);
	int (*ctxt_gmem_shadow)(struct adreno_device *,
		struct adreno_context *);
	void (*ctxt_save)(struct adreno_device *, struct adreno_context *);
	void (*ctxt_restore)(struct adreno_device *, struct adreno_context *);
	irqreturn_t (*irq_handler)(struct adreno_device *);
	void (*irq_control)(struct adreno_device *, int);
};

extern struct adreno_gpudev adreno_a2xx_gpudev;

int adreno_idle(struct kgsl_device *device, unsigned int timeout);
void adreno_regread(struct kgsl_device *device, unsigned int offsetwords,
				unsigned int *value);
void adreno_regwrite(struct kgsl_device *device, unsigned int offsetwords,
				unsigned int value);

uint8_t *kgsl_sharedmem_convertaddr(struct kgsl_device *device,
	unsigned int pt_base, unsigned int gpuaddr, unsigned int *size);

static inline int adreno_is_a200(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev == ADRENO_REV_A200);
}

static inline int adreno_is_a205(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev == ADRENO_REV_A200);
}

static inline int adreno_is_a20x(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev  == ADRENO_REV_A200 ||
		adreno_dev->gpurev == ADRENO_REV_A205);
}

static inline int adreno_is_a220(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev == ADRENO_REV_A220);
}

static inline int adreno_is_a225(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev == ADRENO_REV_A225);
}

static inline int adreno_is_a22x(struct adreno_device *adreno_dev)
{
	return (adreno_dev->gpurev  == ADRENO_REV_A220 ||
		adreno_dev->gpurev == ADRENO_REV_A225);
}

#endif /*__ADRENO_H */
