Files
linux/drivers/gpu/drm/arm/display/komeda/komeda_dev.h
Liviu Dudau 874cf19296 drm: arm/komeda: Remove IRQ parsing from initial series
The initial series is only introducing the basic components and not
implementing IRQ handling. Remove the left over code that touches
IRQs until the proper implementation is introduced in a later series.

Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
2019-01-18 10:44:10 +00:00

111 lines
2.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
* Author: James.Qian.Wang <james.qian.wang@arm.com>
*
*/
#ifndef _KOMEDA_DEV_H_
#define _KOMEDA_DEV_H_
#include <linux/device.h>
#include <linux/clk.h>
#include "komeda_pipeline.h"
#include "malidp_product.h"
#include "komeda_format_caps.h"
/* malidp device id */
enum {
MALI_D71 = 0,
};
/* pipeline DT ports */
enum {
KOMEDA_OF_PORT_OUTPUT = 0,
KOMEDA_OF_PORT_COPROC = 1,
};
struct komeda_chip_info {
u32 arch_id;
u32 core_id;
u32 core_info;
u32 bus_width;
};
struct komeda_product_data {
u32 product_id;
struct komeda_dev_funcs *(*identify)(u32 __iomem *reg,
struct komeda_chip_info *info);
};
struct komeda_dev;
/**
* struct komeda_dev_funcs
*
* Supplied by chip level and returned by the chip entry function xxx_identify,
*/
struct komeda_dev_funcs {
/**
* @init_format_table:
*
* initialize &komeda_dev->format_table, this function should be called
* before the &enum_resource
*/
void (*init_format_table)(struct komeda_dev *mdev);
/**
* @enum_resources:
*
* for CHIP to report or add pipeline and component resources to CORE
*/
int (*enum_resources)(struct komeda_dev *mdev);
/** @cleanup: call to chip to cleanup komeda_dev->chip data */
void (*cleanup)(struct komeda_dev *mdev);
};
/**
* struct komeda_dev
*
* Pipeline and component are used to describe how to handle the pixel data.
* komeda_device is for describing the whole view of the device, and the
* control-abilites of device.
*/
struct komeda_dev {
struct device *dev;
u32 __iomem *reg_base;
struct komeda_chip_info chip;
/** @fmt_tbl: initialized by &komeda_dev_funcs->init_format_table */
struct komeda_format_caps_table fmt_tbl;
/** @pclk: APB clock for register access */
struct clk *pclk;
/** @mck: HW main engine clk */
struct clk *mclk;
int n_pipelines;
struct komeda_pipeline *pipelines[KOMEDA_MAX_PIPELINES];
/** @funcs: chip funcs to access to HW */
struct komeda_dev_funcs *funcs;
/**
* @chip_data:
*
* chip data will be added by &komeda_dev_funcs.enum_resources() and
* destroyed by &komeda_dev_funcs.cleanup()
*/
void *chip_data;
};
static inline bool
komeda_product_match(struct komeda_dev *mdev, u32 target)
{
return MALIDP_CORE_ID_PRODUCT_ID(mdev->chip.core_id) == target;
}
struct komeda_dev_funcs *
d71_identify(u32 __iomem *reg, struct komeda_chip_info *chip);
struct komeda_dev *komeda_dev_create(struct device *dev);
void komeda_dev_destroy(struct komeda_dev *mdev);
#endif /*_KOMEDA_DEV_H_*/