69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_INTEL_SCU_IPC_H_
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#define _ASM_X86_INTEL_SCU_IPC_H_
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#include <linux/ioport.h>
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struct device;
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struct intel_scu_ipc_dev;
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/**
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* struct intel_scu_ipc_data - Data used to configure SCU IPC
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* @mem: Base address of SCU IPC MMIO registers
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* @irq: The IRQ number used for SCU (optional)
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*/
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struct intel_scu_ipc_data {
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struct resource mem;
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int irq;
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};
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struct intel_scu_ipc_dev *
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__intel_scu_ipc_register(struct device *parent,
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const struct intel_scu_ipc_data *scu_data,
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struct module *owner);
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#define intel_scu_ipc_register(parent, scu_data) \
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__intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
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void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu);
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struct intel_scu_ipc_dev *
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__devm_intel_scu_ipc_register(struct device *parent,
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const struct intel_scu_ipc_data *scu_data,
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struct module *owner);
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#define devm_intel_scu_ipc_register(parent, scu_data) \
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__devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
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struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void);
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void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu);
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struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev);
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int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr,
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u8 *data);
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int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr,
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u8 data);
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int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr,
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u8 *data, size_t len);
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int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr,
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u8 *data, size_t len);
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int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr,
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u8 data, u8 mask);
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int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
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int sub);
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int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
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int sub, const void *in, size_t inlen,
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size_t size, void *out, size_t outlen);
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static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd,
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int sub, const void *in, size_t inlen,
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void *out, size_t outlen)
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{
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return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen,
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inlen, out, outlen);
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}
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#endif
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