/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** AudioScience HPI driver Copyright (C) 1997-2011 AudioScience Inc. <[email protected]> HPI Operating System Specific macros for Linux Kernel driver (C) Copyright AudioScience Inc. 1997-2003 ******************************************************************************/ #ifndef _HPIOS_H_ #define _HPIOS_H_ #undef HPI_OS_LINUX_KERNEL #define HPI_OS_LINUX_KERNEL #define HPI_OS_DEFINED #define HPI_BUILD_KERNEL_MODE #include <linux/io.h> #include <linux/ioctl.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/device.h> #include <linux/firmware.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/mutex.h> #define HPI_NO_OS_FILE_OPS /** Details of a memory area allocated with pci_alloc_consistent Need all info for parameters to pci_free_consistent */ struct consistent_dma_area { … }; static inline u16 hpios_locked_mem_get_phys_addr(struct consistent_dma_area *locked_mem_handle, u32 *p_physical_addr) { … } static inline u16 hpios_locked_mem_get_virt_addr(struct consistent_dma_area *locked_mem_handle, void **pp_virtual_addr) { … } static inline u16 hpios_locked_mem_valid(struct consistent_dma_area *locked_mem_handle) { … } struct hpi_ioctl_linux { … }; /* Conflict?: H is already used by a number of drivers hid, bluetooth hci, and some sound drivers sb16, hdsp, emu10k. AFAIK 0xFC is unused command */ #define HPI_IOCTL_LINUX … #define HPI_DEBUG_FLAG_ERROR … #define HPI_DEBUG_FLAG_WARNING … #define HPI_DEBUG_FLAG_NOTICE … #define HPI_DEBUG_FLAG_INFO … #define HPI_DEBUG_FLAG_DEBUG … #define HPI_DEBUG_FLAG_VERBOSE … #include <linux/spinlock.h> #define HPI_LOCKING struct hpios_spinlock { … }; /* The reason for all this evilness is that ALSA calls some of a drivers * operators in atomic context, and some not. But all our functions channel * through the HPI_Message conduit, so we can't handle the different context * per function */ #define IN_LOCK_BH … #define IN_LOCK_IRQ … static inline void cond_lock(struct hpios_spinlock *l) { … } static inline void cond_unlock(struct hpios_spinlock *l) { … } #define hpios_msgxlock_init(obj) … #define hpios_msgxlock_lock(obj) … #define hpios_msgxlock_unlock(obj) … #define hpios_dsplock_init(obj) … #define hpios_dsplock_lock(obj) … #define hpios_dsplock_unlock(obj) … #ifdef CONFIG_SND_DEBUG #define HPI_BUILD_DEBUG #endif #define HPI_ALIST_LOCKING #define hpios_alistlock_init(obj) … #define hpios_alistlock_lock(obj) … #define hpios_alistlock_unlock(obj) … struct snd_card; /** pci drvdata points to an instance of this struct */ struct hpi_adapter { … }; #endif
Codebase Browser
linux