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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/i3c/master/mipi-i3c-hci/ibi.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/i3c/master/mipi-i3c-hci/ibi.h')
| -rw-r--r-- | drivers/i3c/master/mipi-i3c-hci/ibi.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/i3c/master/mipi-i3c-hci/ibi.h b/drivers/i3c/master/mipi-i3c-hci/ibi.h new file mode 100644 index 000000000..e1f98e264 --- /dev/null +++ b/drivers/i3c/master/mipi-i3c-hci/ibi.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Copyright (c) 2020, MIPI Alliance, Inc. + * + * Author: Nicolas Pitre <npitre@baylibre.com> + * + * Common IBI related stuff + */ + +#ifndef IBI_H +#define IBI_H + +/* + * IBI Status Descriptor bits + */ +#define IBI_STS BIT(31) +#define IBI_ERROR BIT(30) +#define IBI_STATUS_TYPE BIT(29) +#define IBI_HW_CONTEXT GENMASK(28, 26) +#define IBI_TS BIT(25) +#define IBI_LAST_STATUS BIT(24) +#define IBI_CHUNKS GENMASK(23, 16) +#define IBI_ID GENMASK(15, 8) +#define IBI_TARGET_ADDR GENMASK(15, 9) +#define IBI_TARGET_RNW BIT(8) +#define IBI_DATA_LENGTH GENMASK(7, 0) + +/* handy helpers */ +static inline struct i3c_dev_desc * +i3c_hci_addr_to_dev(struct i3c_hci *hci, unsigned int addr) +{ + struct i3c_bus *bus = i3c_master_get_bus(&hci->master); + struct i3c_dev_desc *dev; + + i3c_bus_for_each_i3cdev(bus, dev) { + if (dev->info.dyn_addr == addr) + return dev; + } + return NULL; +} + +#endif |