diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-18 03:47:17 +0300 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-01-18 03:47:17 +0300 |
commit | 296455ade1fdcf5f8f8c033201633b60946c589a (patch) | |
tree | 6058ed978b2787009b1c25c2c0ad5326e2e77130 /drivers/misc/mei/vsc-tp.h | |
parent | e1aa9df440186af73a9e690244eb49cbc99f36ac (diff) | |
parent | 5850edccec30325707f953bc088497b3b9041231 (diff) | |
download | linux-296455ade1fdcf5f8f8c033201633b60946c589a.tar.xz |
Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem changes
for 6.8-rc1.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
android: removed duplicate linux/errno
uio: Fix use-after-free in uio_open
drivers: soc: xilinx: add check for platform
firmware: xilinx: Export function to use in other module
scripts/tags.sh: remove find_sources
scripts/tags.sh: use -n to test archinclude
scripts/tags.sh: add local annotation
scripts/tags.sh: use more portable -path instead of -wholename
scripts/tags.sh: Update comment (addition of gtags)
firmware: zynqmp: Convert to platform remove callback returning void
firmware: turris-mox-rwtm: Convert to platform remove callback returning void
firmware: stratix10-svc: Convert to platform remove callback returning void
firmware: stratix10-rsu: Convert to platform remove callback returning void
firmware: raspberrypi: Convert to platform remove callback returning void
firmware: qemu_fw_cfg: Convert to platform remove callback returning void
firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
firmware: imx-dsp: Convert to platform remove callback returning void
firmware: coreboot_table: Convert to platform remove callback returning void
firmware: arm_scpi: Convert to platform remove callback returning void
firmware: arm_scmi: Convert to platform remove callback returning void
...
Diffstat (limited to 'drivers/misc/mei/vsc-tp.h')
-rw-r--r-- | drivers/misc/mei/vsc-tp.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/misc/mei/vsc-tp.h b/drivers/misc/mei/vsc-tp.h new file mode 100644 index 000000000000..f9513ddc3e40 --- /dev/null +++ b/drivers/misc/mei/vsc-tp.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2023, Intel Corporation. + * Intel Visual Sensing Controller Transport Layer Linux driver + */ + +#ifndef _VSC_TP_H_ +#define _VSC_TP_H_ + +#include <linux/types.h> + +#define VSC_TP_CMD_WRITE 0x01 +#define VSC_TP_CMD_READ 0x02 + +#define VSC_TP_CMD_ACK 0x10 +#define VSC_TP_CMD_NACK 0x11 +#define VSC_TP_CMD_BUSY 0x12 + +struct vsc_tp; + +/** + * typedef vsc_event_cb_t - event callback function signature + * @context: the execution context of who registered this callback + * + * The callback function is called in interrupt context and the data + * payload is only valid during the call. If the user needs access + * the data payload later, it must copy the payload. + */ +typedef void (*vsc_tp_event_cb_t)(void *context); + +int vsc_tp_rom_xfer(struct vsc_tp *tp, const void *obuf, void *ibuf, + size_t len); + +int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen, + void *ibuf, size_t ilen); + +int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb, + void *context); + +void vsc_tp_intr_enable(struct vsc_tp *tp); +void vsc_tp_intr_disable(struct vsc_tp *tp); +void vsc_tp_intr_synchronize(struct vsc_tp *tp); + +void vsc_tp_reset(struct vsc_tp *tp); + +bool vsc_tp_need_read(struct vsc_tp *tp); + +int vsc_tp_init(struct vsc_tp *tp, struct device *dev); + +#endif |