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/*
* Copyright 2016 Broadcom
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation (the "GPL").
*
* 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 version 2 (GPLv2) for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 (GPLv2) along with this source code.
*/
#ifndef __SPI_BCM_QSPI_H__
#define __SPI_BCM_QSPI_H__
#include <linux/types.h>
#include <linux/io.h>
/* BSPI interrupt masks */
#define INTR_BSPI_LR_OVERREAD_MASK BIT(4)
#define INTR_BSPI_LR_SESSION_DONE_MASK BIT(3)
#define INTR_BSPI_LR_IMPATIENT_MASK BIT(2)
#define INTR_BSPI_LR_SESSION_ABORTED_MASK BIT(1)
#define INTR_BSPI_LR_FULLNESS_REACHED_MASK BIT(0)
#define BSPI_LR_INTERRUPTS_DATA \
(INTR_BSPI_LR_SESSION_DONE_MASK | \
INTR_BSPI_LR_FULLNESS_REACHED_MASK)
#define BSPI_LR_INTERRUPTS_ERROR \
(INTR_BSPI_LR_OVERREAD_MASK | \
INTR_BSPI_LR_IMPATIENT_MASK | \
INTR_BSPI_LR_SESSION_ABORTED_MASK)
#define BSPI_LR_INTERRUPTS_ALL \
(BSPI_LR_INTERRUPTS_ERROR | \
BSPI_LR_INTERRUPTS_DATA)
/* MSPI Interrupt masks */
#define INTR_MSPI_HALTED_MASK BIT(6)
#define INTR_MSPI_DONE_MASK BIT(5)
#define MSPI_INTERRUPTS_ALL \
(INTR_MSPI_DONE_MASK | \
INTR_MSPI_HALTED_MASK)
struct platform_device;
struct dev_pm_ops;
struct bcm_qspi_soc_intc;
/* Read controller register*/
static inline u32 bcm_qspi_readl(bool be, void __iomem *addr)
{
if (be)
return ioread32be(addr);
else
return readl_relaxed(addr);
}
/* Write controller register*/
static inline void bcm_qspi_writel(bool be,
unsigned int data, void __iomem *addr)
{
if (be)
iowrite32be(data, addr);
else
writel_relaxed(data, addr);
}
/* The common driver functions to be called by the SoC platform driver */
int bcm_qspi_probe(struct platform_device *pdev,
struct bcm_qspi_soc_intc *soc_intc);
int bcm_qspi_remove(struct platform_device *pdev);
/* pm_ops used by the SoC platform driver called on PM suspend/resume */
extern const struct dev_pm_ops bcm_qspi_pm_ops;
#endif /* __SPI_BCM_QSPI_H__ */
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