From c912ac66b3fc92acb0079fff7d030e9be0756c36 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Mon, 9 Sep 2024 15:41:05 +0300 Subject: platform/x86: intel_scu_ipc: Move intel_scu_ipc.h out of arch/x86/include/asm This is a platform/x86 library that is mostly being used by other drivers not directly under arch/x86 anyway (with the exception of the Intel MID setup code) so it makes sense that it lives under the platform_data/x86/ directory instead. No functional changes intended. Suggested-by: Andy Shevchenko Signed-off-by: Mika Westerberg Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20240909124952.1152017-3-andriy.shevchenko@linux.intel.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- include/linux/platform_data/x86/intel_scu_ipc.h | 68 +++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 include/linux/platform_data/x86/intel_scu_ipc.h (limited to 'include/linux/platform_data') diff --git a/include/linux/platform_data/x86/intel_scu_ipc.h b/include/linux/platform_data/x86/intel_scu_ipc.h new file mode 100644 index 000000000000..0ca9962e97f2 --- /dev/null +++ b/include/linux/platform_data/x86/intel_scu_ipc.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PLATFORM_X86_INTEL_SCU_IPC_H_ +#define __PLATFORM_X86_INTEL_SCU_IPC_H_ + +#include + +struct device; +struct intel_scu_ipc_dev; + +/** + * struct intel_scu_ipc_data - Data used to configure SCU IPC + * @mem: Base address of SCU IPC MMIO registers + * @irq: The IRQ number used for SCU (optional) + */ +struct intel_scu_ipc_data { + struct resource mem; + int irq; +}; + +struct intel_scu_ipc_dev * +__intel_scu_ipc_register(struct device *parent, + const struct intel_scu_ipc_data *scu_data, + struct module *owner); + +#define intel_scu_ipc_register(parent, scu_data) \ + __intel_scu_ipc_register(parent, scu_data, THIS_MODULE) + +void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu); + +struct intel_scu_ipc_dev * +__devm_intel_scu_ipc_register(struct device *parent, + const struct intel_scu_ipc_data *scu_data, + struct module *owner); + +#define devm_intel_scu_ipc_register(parent, scu_data) \ + __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE) + +struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void); +void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu); +struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev); + +int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr, + u8 *data); +int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr, + u8 data); +int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr, + u8 *data, size_t len); +int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr, + u8 *data, size_t len); + +int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr, + u8 data, u8 mask); + +int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd, + int sub); +int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd, + int sub, const void *in, size_t inlen, + size_t size, void *out, size_t outlen); + +static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd, + int sub, const void *in, size_t inlen, + void *out, size_t outlen) +{ + return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen, + inlen, out, outlen); +} + +#endif -- cgit v1.2.3-70-g09d2