LXR linux/arch/x86/include/asm/intel_scu

   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
   7struct device;
   8struct 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 */
  15struct intel_scu_ipc_data {
  16        struct resource mem;
  17        int irq;
  18};
  19
  20struct 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
  28void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu);
  29
  30struct 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
  38struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void);
  39void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu);
  40struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev);
  41
  42int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr,
  43                              u8 *data);
  44int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr,
  45                               u8 data);
  46int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr,
  47                            u8 *data, size_t len);
  48int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr,
  49                             u8 *data, size_t len);
  50
  51int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr,
  52                             u8 data, u8 mask);
  53
  54int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
  55                                     int sub);
  56int 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
  60static 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