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Diffstat (limited to 'board/samsung/e850-96/acpm.h')
| -rw-r--r-- | board/samsung/e850-96/acpm.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/board/samsung/e850-96/acpm.h b/board/samsung/e850-96/acpm.h new file mode 100644 index 00000000000..9373969209f --- /dev/null +++ b/board/samsung/e850-96/acpm.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2025 Linaro Ltd. + * Sam Protsenko <semen.protsenko@linaro.org> + */ + +#ifndef __E850_96_ACPM_H +#define __E850_96_ACPM_H + +#include <linux/types.h> + +/** + * struct acpm - Data for I3C communication over ACPM IPC protocol + * @mbox_base: Base address of APM mailbox block + * @sram_base: Base address of shared memory used for APM messages + * @ipc_ch: Mailbox channel number used for communication with I3C block (0-15) + */ +struct acpm { + void __iomem *mbox_base; + void __iomem *sram_base; + u8 ipc_ch; +}; + +int acpm_i3c_read(struct acpm *acpm, u8 ch, u8 addr, u8 reg, u8 *val); +int acpm_i3c_write(struct acpm *acpm, u8 ch, u8 addr, u8 reg, u8 val); + +#endif /* __E850_96_ACPM_H */ |