Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* The MIPI SDCA specification is available for public downloads at
|
|
* https://www.mipi.org/mipi-sdca-v1-0-download
|
|
*
|
|
* Copyright (C) 2025 Cirrus Logic, Inc. and
|
|
* Cirrus Logic International Semiconductor Ltd.
|
|
*/
|
|
|
|
#ifndef __SDCA_FDL_H__
|
|
#define __SDCA_FDL_H__
|
|
|
|
#include <linux/completion.h>
|
|
#include <linux/workqueue.h>
|
|
|
|
struct device;
|
|
struct regmap;
|
|
struct sdca_fdl_set;
|
|
struct sdca_function_data;
|
|
struct sdca_interrupt;
|
|
struct sdca_interrupt_info;
|
|
|
|
/**
|
|
* struct fdl_state - FDL state structure to keep data between interrupts
|
|
* @begin: Completion indicating the start of an FDL download cycle.
|
|
* @done: Completion indicating the end of an FDL download cycle.
|
|
* @timeout: Delayed work used for timing out UMP transactions.
|
|
* @lock: Mutex to protect between the timeout work and IRQ handlers.
|
|
* @interrupt: Pointer to the interrupt struct to which this FDL is attached.
|
|
* @set: Pointer to the FDL set currently being downloaded.
|
|
* @file_index: Index of the current file being processed.
|
|
*/
|
|
struct fdl_state {
|
|
struct completion begin;
|
|
struct completion done;
|
|
struct delayed_work timeout;
|
|
struct mutex lock;
|
|
|
|
struct sdca_interrupt *interrupt;
|
|
struct sdca_fdl_set *set;
|
|
int file_index;
|
|
};
|
|
|
|
#define SDCA_CTL_XU_FDLH_COMPLETE 0
|
|
#define SDCA_CTL_XU_FDLH_MORE_FILES SDCA_CTL_XU_FDLH_SET_IN_PROGRESS
|
|
#define SDCA_CTL_XU_FDLH_FILE_AVAILABLE (SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
|
|
SDCA_CTL_XU_FDLH_SET_IN_PROGRESS)
|
|
#define SDCA_CTL_XU_FDLH_MASK (SDCA_CTL_XU_FDLH_TRANSFERRED_CHUNK | \
|
|
SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
|
|
SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
|
|
SDCA_CTL_XU_FDLH_RESET_ACK | \
|
|
SDCA_CTL_XU_FDLH_REQ_ABORT)
|
|
|
|
#define SDCA_CTL_XU_FDLD_COMPLETE 0
|
|
#define SDCA_CTL_XU_FDLD_FILE_OK (SDCA_CTL_XU_FDLH_TRANSFERRED_FILE | \
|
|
SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
|
|
SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
|
|
SDCA_CTL_XU_FDLD_NEEDS_SET)
|
|
#define SDCA_CTL_XU_FDLD_MORE_FILES_OK (SDCA_CTL_XU_FDLH_SET_IN_PROGRESS | \
|
|
SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
|
|
SDCA_CTL_XU_FDLD_NEEDS_SET)
|
|
#define SDCA_CTL_XU_FDLD_MASK (SDCA_CTL_XU_FDLD_REQ_RESET | \
|
|
SDCA_CTL_XU_FDLD_REQ_ABORT | \
|
|
SDCA_CTL_XU_FDLD_ACK_TRANSFER | \
|
|
SDCA_CTL_XU_FDLD_NEEDS_SET)
|
|
|
|
#if IS_ENABLED(CONFIG_SND_SOC_SDCA_FDL)
|
|
|
|
int sdca_fdl_alloc_state(struct sdca_interrupt *interrupt);
|
|
int sdca_fdl_process(struct sdca_interrupt *interrupt);
|
|
int sdca_fdl_sync(struct device *dev, struct sdca_function_data *function,
|
|
struct sdca_interrupt_info *info);
|
|
|
|
int sdca_reset_function(struct device *dev, struct sdca_function_data *function,
|
|
struct regmap *regmap);
|
|
|
|
#else
|
|
|
|
static inline int sdca_fdl_alloc_state(struct sdca_interrupt *interrupt)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int sdca_fdl_process(struct sdca_interrupt *interrupt)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int sdca_fdl_sync(struct device *dev,
|
|
struct sdca_function_data *function,
|
|
struct sdca_interrupt_info *info)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int sdca_reset_function(struct device *dev,
|
|
struct sdca_function_data *function,
|
|
struct regmap *regmap)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif // CONFIG_SND_SOC_SDCA_FDL
|
|
|
|
#endif // __SDCA_FDL_H__
|