kernel/drivers/staging/imgtec/tc/tc_drv.h

/* -*- mode: c; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* vi: set ts=8 sw=8 sts=8: */
/*************************************************************************/ /*!
@Codingstyle    LinuxKernel
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        MIT

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*/ /**************************************************************************/

#ifndef _TC_DRV_H
#define _TC_DRV_H

/*
 * This contains the hooks for the testchip driver, as used by the Rogue and
 * PDP sub-devices, and the platform data passed to each of their drivers
 */

#include <linux/version.h>
#include <linux/pci.h>
#include <linux/device.h>

/* Valid values for the TC_MEMORY_CONFIG configuration option */
#define TC_MEMORY_LOCAL		1
#define TC_MEMORY_HOST		2
#define TC_MEMORY_HYBRID	3

#if defined(SUPPORT_ION) && (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))

#include PVR_ANDROID_ION_HEADER

/* NOTE: This should be kept in sync with the user side (in buffer_generic.c) */
#if defined(SUPPORT_RGX)
#define ION_HEAP_TC_ROGUE    (ION_HEAP_TYPE_CUSTOM+1)
#endif
#define ION_HEAP_TC_PDP      (ION_HEAP_TYPE_CUSTOM+2)

#if defined(SUPPORT_FAKE_SECURE_ION_HEAP)
#define ION_HEAP_TC_SECURE   (ION_HEAP_TYPE_CUSTOM+3)
#endif

#endif /* defined(SUPPORT_ION) */

#define TC_INTERRUPT_PDP     0
#define TC_INTERRUPT_EXT     1
#define TC_INTERRUPT_TC5_PDP 2
#define TC_INTERRUPT_COUNT   3

int tc_enable(struct device *dev);
void tc_disable(struct device *dev);

int tc_enable_interrupt(struct device *dev, int interrupt_id);
int tc_disable_interrupt(struct device *dev, int interrupt_id);

int tc_set_interrupt_handler(struct device *dev, int interrupt_id,
	void (*handler_function)(void *), void *handler_data);

int tc_sys_info(struct device *dev, u32 *tmp, u32 *pll);
int tc_sys_strings(struct device *dev,
	char *str_fpga_rev, size_t size_fpga_rev, char *str_tcf_core_rev,
	size_t size_tcf_core_rev, char *str_tcf_core_target_build_id,
	size_t size_tcf_core_target_build_id, char *str_pci_ver,
	size_t size_pci_ver, char *str_macro_ver, size_t size_macro_ver);
int tc_core_clock_speed(struct device *dev);

#define APOLLO_DEVICE_NAME_PDP   "apollo_pdp"
#define ODN_DEVICE_NAME_PDP      "odin_pdp"

/* The following structs are initialised and passed down by the parent tc
 * driver to the respective sub-drivers
 */

struct tc_pdp_platform_data {
#if defined(SUPPORT_ION) && (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	struct ion_device *ion_device;
	int ion_heap_id;
#endif
	resource_size_t memory_base;

	/* The following is used by the drm_pdp driver as it manages the
	 * pdp memory
	 */
	resource_size_t pdp_heap_memory_base;
	resource_size_t pdp_heap_memory_size;
};

#if defined(SUPPORT_RGX)

#define TC_DEVICE_NAME_ROGUE "tc_rogue"

struct tc_rogue_platform_data {
#if defined(SUPPORT_ION) && (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	struct ion_device *ion_device;
	int ion_heap_id;
#endif

	/* The base address of the testchip memory (CPU physical address) -
	 * used to convert from CPU-Physical to device-physical addresses
	 */
	resource_size_t tc_memory_base;

	/* The following is used to setup the services heaps that map to the
	 * ion heaps
	 */
	resource_size_t pdp_heap_memory_base;
	resource_size_t pdp_heap_memory_size;
	resource_size_t rogue_heap_memory_base;
	resource_size_t rogue_heap_memory_size;
#if defined(SUPPORT_FAKE_SECURE_ION_HEAP)
	resource_size_t secure_heap_memory_base;
	resource_size_t secure_heap_memory_size;
#endif
};

#endif /* defined(SUPPORT_RGX) */

#endif /* _TC_DRV_H */