| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _ASM_X86_INTEL_SCU_IPC_H_ |
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| 3 | #define _ASM_X86_INTEL_SCU_IPC_H_ |
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| 4 | |
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| 5 | #include <linux/ioport.h> |
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| 6 | |
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| 7 | struct device; |
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| 8 | struct intel_scu_ipc_dev; |
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| 9 | |
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| 10 | /** |
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| 11 | * struct intel_scu_ipc_data - Data used to configure SCU IPC |
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| 12 | * @mem: Base address of SCU IPC MMIO registers |
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| 13 | * @irq: The IRQ number used for SCU (optional) |
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| 14 | */ |
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| 15 | struct intel_scu_ipc_data { |
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| 16 | struct resource mem; |
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| 17 | int irq; |
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| 18 | }; |
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| 19 | |
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| 20 | struct intel_scu_ipc_dev * |
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| 21 | __intel_scu_ipc_register(struct device *parent, |
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| 22 | const struct intel_scu_ipc_data *scu_data, |
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| 23 | struct module *owner); |
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| 24 | |
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| 25 | #define intel_scu_ipc_register(parent, scu_data) \ |
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| 26 | __intel_scu_ipc_register(parent, scu_data, THIS_MODULE) |
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| 27 | |
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| 28 | void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu); |
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| 29 | |
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| 30 | struct intel_scu_ipc_dev * |
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| 31 | __devm_intel_scu_ipc_register(struct device *parent, |
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| 32 | const struct intel_scu_ipc_data *scu_data, |
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| 33 | struct module *owner); |
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| 34 | |
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| 35 | #define devm_intel_scu_ipc_register(parent, scu_data) \ |
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| 36 | __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE) |
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| 37 | |
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| 38 | struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void); |
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| 39 | void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu); |
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| 40 | struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev); |
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| 41 | |
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| 42 | int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr, |
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| 43 | u8 *data); |
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| 44 | int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr, |
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| 45 | u8 data); |
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| 46 | int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr, |
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| 47 | u8 *data, size_t len); |
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| 48 | int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr, |
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| 49 | u8 *data, size_t len); |
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| 50 | |
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| 51 | int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr, |
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| 52 | u8 data, u8 mask); |
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| 53 | |
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| 54 | int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd, |
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| 55 | int sub); |
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| 56 | int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd, |
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| 57 | int sub, const void *in, size_t inlen, |
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| 58 | size_t size, void *out, size_t outlen); |
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| 59 | |
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| 60 | static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd, |
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| 61 | int sub, const void *in, size_t inlen, |
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| 62 | void *out, size_t outlen) |
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| 63 | { |
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| 64 | return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen, |
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| 65 | size: inlen, out, outlen); |
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| 66 | } |
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| 67 | |
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| 68 | #endif |
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| 69 | |
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