/* SPDX-License-Identifier: GPL-2.0-only */ /* * Kontron PLD driver definitions * * Copyright (c) 2010-2012 Kontron Europe GmbH * Author: Michael Brunner <[email protected]> */ #ifndef _LINUX_MFD_KEMPLD_H_ #define _LINUX_MFD_KEMPLD_H_ /* kempld register definitions */ #define KEMPLD_IOINDEX … #define KEMPLD_IODATA … #define KEMPLD_MUTEX_KEY … #define KEMPLD_VERSION … #define KEMPLD_VERSION_LSB … #define KEMPLD_VERSION_MSB … #define KEMPLD_VERSION_GET_MINOR(x) … #define KEMPLD_VERSION_GET_MAJOR(x) … #define KEMPLD_VERSION_GET_NUMBER(x) … #define KEMPLD_VERSION_GET_TYPE(x) … #define KEMPLD_BUILDNR … #define KEMPLD_BUILDNR_LSB … #define KEMPLD_BUILDNR_MSB … #define KEMPLD_FEATURE … #define KEMPLD_FEATURE_LSB … #define KEMPLD_FEATURE_MSB … #define KEMPLD_FEATURE_BIT_I2C … #define KEMPLD_FEATURE_BIT_WATCHDOG … #define KEMPLD_FEATURE_BIT_GPIO … #define KEMPLD_FEATURE_MASK_UART … #define KEMPLD_FEATURE_BIT_NMI … #define KEMPLD_FEATURE_BIT_SMI … #define KEMPLD_FEATURE_BIT_SCI … #define KEMPLD_SPEC … #define KEMPLD_SPEC_GET_MINOR(x) … #define KEMPLD_SPEC_GET_MAJOR(x) … #define KEMPLD_IRQ_GPIO … #define KEMPLD_IRQ_I2C … #define KEMPLD_CFG … #define KEMPLD_CFG_GPIO_I2C_MUX … #define KEMPLD_CFG_BIOS_WP … #define KEMPLD_CLK … #define KEMPLD_TYPE_RELEASE … #define KEMPLD_TYPE_DEBUG … #define KEMPLD_TYPE_CUSTOM … #define KEMPLD_VERSION_LEN … /** * struct kempld_info - PLD device information structure * @major: PLD major revision * @minor: PLD minor revision * @buildnr: PLD build number * @number: PLD board specific index * @type: PLD type * @spec_major: PLD FW specification major revision * @spec_minor: PLD FW specification minor revision * @version: PLD version string */ struct kempld_info { … }; /** * struct kempld_device_data - Internal representation of the PLD device * @io_base: Pointer to the IO memory * @io_index: Pointer to the IO index register * @io_data: Pointer to the IO data register * @pld_clock: PLD clock frequency * @feature_mask: PLD feature mask * @dev: Pointer to kernel device structure * @info: KEMPLD info structure * @lock: PLD mutex */ struct kempld_device_data { … }; /** * struct kempld_platform_data - PLD hardware configuration structure * @pld_clock: PLD clock frequency * @gpio_base GPIO base pin number * @ioresource: IO addresses of the PLD * @get_mutex: PLD specific get_mutex callback * @release_mutex: PLD specific release_mutex callback * @get_info: PLD specific get_info callback * @register_cells: PLD specific register_cells callback */ struct kempld_platform_data { … }; extern void kempld_get_mutex(struct kempld_device_data *pld); extern void kempld_release_mutex(struct kempld_device_data *pld); extern u8 kempld_read8(struct kempld_device_data *pld, u8 index); extern void kempld_write8(struct kempld_device_data *pld, u8 index, u8 data); extern u16 kempld_read16(struct kempld_device_data *pld, u8 index); extern void kempld_write16(struct kempld_device_data *pld, u8 index, u16 data); extern u32 kempld_read32(struct kempld_device_data *pld, u8 index); extern void kempld_write32(struct kempld_device_data *pld, u8 index, u32 data); #endif /* _LINUX_MFD_KEMPLD_H_ */
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