include/linux/goldfish.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/io.h>

/* Helpers for Goldfish virtual platform */

static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
				void __iomem *porth)
{
	const unsigned long addr = (unsigned long)ptr;

	__raw_writel(lower_32_bits(addr), portl);
#ifdef CONFIG_64BIT
	__raw_writel(upper_32_bits(addr), porth);
#endif
}

static inline void gf_write_dma_addr(const dma_addr_t addr,
				     void __iomem *portl,
				     void __iomem *porth)
{
	__raw_writel(lower_32_bits(addr), portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	__raw_writel(upper_32_bits(addr), porth);
#endif
}


#endif /* __LINUX_GOLDFISH_H */
License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-01 15:07:57 +01:00			`/* SPDX-License-Identifier: GPL-2.0 */`
goldfish: Add a 64bit write helper 2014-04-28 20:47:36 +01:00			`#ifndef __LINUX_GOLDFISH_H`
			`#define __LINUX_GOLDFISH_H`

goldfish: Use dedicated macros instead of manual bit shifting 2018-07-23 15:47:27 -07:00			`#include <linux/kernel.h>`
goldfish: Add missing includes to goldfish.h 2018-07-23 15:47:26 -07:00			`#include <linux/types.h>`
			`#include <linux/io.h>`

goldfish: Add a 64bit write helper 2014-04-28 20:47:36 +01:00			`/* Helpers for Goldfish virtual platform */`

staging: goldfish: Fix pointer cast for 32 bits 2015-05-19 11:44:46 +02:00			`static inline void gf_write_ptr(const void ptr, void __iomem portl,`
			`void __iomem *porth)`
goldfish: Add a 64bit write helper 2014-04-28 20:47:36 +01:00			`{`
goldfish: Use dedicated macros instead of manual bit shifting 2018-07-23 15:47:27 -07:00			`const unsigned long addr = (unsigned long)ptr;`

tty: goldfish: use __raw_writel()/__raw_readl() 2020-10-10 02:47:49 +02:00			`__raw_writel(lower_32_bits(addr), portl);`
goldfish: fix >> 32 warning 2014-05-19 14:34:09 +01:00			`#ifdef CONFIG_64BIT`
tty: goldfish: use __raw_writel()/__raw_readl() 2020-10-10 02:47:49 +02:00			`__raw_writel(upper_32_bits(addr), porth);`
goldfish: Add a 64bit write helper 2014-04-28 20:47:36 +01:00			`#endif`
			`}`

staging: goldfish: Fix pointer cast for 32 bits 2015-05-19 11:44:46 +02:00			`static inline void gf_write_dma_addr(const dma_addr_t addr,`
			`void __iomem *portl,`
			`void __iomem *porth)`
			`{`
tty: goldfish: use __raw_writel()/__raw_readl() 2020-10-10 02:47:49 +02:00			`__raw_writel(lower_32_bits(addr), portl);`
staging: goldfish: Fix pointer cast for 32 bits 2015-05-19 11:44:46 +02:00			`#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT`
tty: goldfish: use __raw_writel()/__raw_readl() 2020-10-10 02:47:49 +02:00			`__raw_writel(upper_32_bits(addr), porth);`
staging: goldfish: Fix pointer cast for 32 bits 2015-05-19 11:44:46 +02:00			`#endif`
			`}`


goldfish: Add a 64bit write helper 2014-04-28 20:47:36 +01:00			`#endif /* __LINUX_GOLDFISH_H */`