mirror of
https://github.com/raspberrypi/linux.git
synced 2025-12-29 05:23:37 +00:00
d99b91a99b
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.7-rc1. Included in here are:
- IIO subsystem driver updates and additions (largest part of this
pull request)
- FPGA subsystem driver updates
- Counter subsystem driver updates
- ICC subsystem driver updates
- extcon subsystem driver updates
- mei driver updates and additions
- nvmem subsystem driver updates and additions
- comedi subsystem dependency fixes
- parport driver fixups
- cdx subsystem driver and core updates
- splice support for /dev/zero and /dev/full
- other smaller driver cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
cdx: add sysfs for subsystem, class and revision
cdx: add sysfs for bus reset
cdx: add support for bus enable and disable
cdx: Register cdx bus as a device on cdx subsystem
cdx: Create symbol namespaces for cdx subsystem
cdx: Introduce lock to protect controller ops
cdx: Remove cdx controller list from cdx bus system
dts: ti: k3-am625-beagleplay: Add beaglecc1352
greybus: Add BeaglePlay Linux Driver
dt-bindings: net: Add ti,cc1352p7
dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
Revert "nvmem: add new config option"
MAINTAINERS: coresight: Add missing Coresight files
misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
uacce: make uacce_class constant
ocxl: make ocxl_class constant
cxl: make cxl_class constant
misc: phantom: make phantom_class constant
...
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Header file for MCDI FW interaction for CDX bus.
|
|
*
|
|
* Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
|
|
*/
|
|
|
|
#ifndef CDX_MCDI_FUNCTIONS_H
|
|
#define CDX_MCDI_FUNCTIONS_H
|
|
|
|
#include "mcdi.h"
|
|
#include "../cdx.h"
|
|
|
|
/**
|
|
* cdx_mcdi_get_num_buses - Get the total number of buses on
|
|
* the controller.
|
|
* @cdx: pointer to MCDI interface.
|
|
*
|
|
* Return: total number of buses available on the controller,
|
|
* <0 on failure
|
|
*/
|
|
int cdx_mcdi_get_num_buses(struct cdx_mcdi *cdx);
|
|
|
|
/**
|
|
* cdx_mcdi_get_num_devs - Get the total number of devices on
|
|
* a particular bus of the controller.
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
*
|
|
* Return: total number of devices available on the bus, <0 on failure
|
|
*/
|
|
int cdx_mcdi_get_num_devs(struct cdx_mcdi *cdx, int bus_num);
|
|
|
|
/**
|
|
* cdx_mcdi_get_dev_config - Get configuration for a particular
|
|
* bus_num:dev_num
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
* @dev_num: Device number.
|
|
* @dev_params: Pointer to cdx_dev_params, this is populated by this
|
|
* device with the configuration corresponding to the provided
|
|
* bus_num:dev_num.
|
|
*
|
|
* Return: 0 total number of devices available on the bus, <0 on failure
|
|
*/
|
|
int cdx_mcdi_get_dev_config(struct cdx_mcdi *cdx,
|
|
u8 bus_num, u8 dev_num,
|
|
struct cdx_dev_params *dev_params);
|
|
|
|
/**
|
|
* cdx_mcdi_bus_enable - Enable CDX bus represented by bus_num
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
*
|
|
* Return: 0 on success, <0 on failure
|
|
*/
|
|
int cdx_mcdi_bus_enable(struct cdx_mcdi *cdx, u8 bus_num);
|
|
|
|
/**
|
|
* cdx_mcdi_bus_disable - Disable CDX bus represented by bus_num
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
*
|
|
* Return: 0 on success, <0 on failure
|
|
*/
|
|
int cdx_mcdi_bus_disable(struct cdx_mcdi *cdx, u8 bus_num);
|
|
|
|
/**
|
|
* cdx_mcdi_reset_device - Reset cdx device represented by bus_num:dev_num
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
* @dev_num: Device number.
|
|
*
|
|
* Return: 0 on success, <0 on failure
|
|
*/
|
|
int cdx_mcdi_reset_device(struct cdx_mcdi *cdx,
|
|
u8 bus_num, u8 dev_num);
|
|
|
|
/**
|
|
* cdx_mcdi_bus_master_enable - Set/Reset bus mastering for cdx device
|
|
* represented by bus_num:dev_num
|
|
* @cdx: pointer to MCDI interface.
|
|
* @bus_num: Bus number.
|
|
* @dev_num: Device number.
|
|
* @enable: Enable bus mastering if set, disable otherwise.
|
|
*
|
|
* Return: 0 on success, <0 on failure
|
|
*/
|
|
int cdx_mcdi_bus_master_enable(struct cdx_mcdi *cdx, u8 bus_num,
|
|
u8 dev_num, bool enable);
|
|
|
|
#endif /* CDX_MCDI_FUNCTIONS_H */
|