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