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author | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2021-05-11 13:35:52 +0200 |
commit | c55b44c9386f3ee1b08752638559f19deaf6040d (patch) | |
tree | c843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/comedi/comedi_internal.h | |
parent | MAINTAINERS: Update my e-mail (diff) | |
parent | Linux 5.13-rc1 (diff) | |
download | linux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip |
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/comedi/comedi_internal.h')
-rw-r--r-- | drivers/comedi/comedi_internal.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/comedi/comedi_internal.h b/drivers/comedi/comedi_internal.h new file mode 100644 index 000000000000..9b3631a654c8 --- /dev/null +++ b/drivers/comedi/comedi_internal.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _COMEDI_INTERNAL_H +#define _COMEDI_INTERNAL_H + +#include <linux/compiler.h> +#include <linux/types.h> + +/* + * various internal comedi stuff + */ + +struct comedi_buf_map; +struct comedi_devconfig; +struct comedi_device; +struct comedi_insn; +struct comedi_rangeinfo; +struct comedi_subdevice; +struct device; + +int do_rangeinfo_ioctl(struct comedi_device *dev, + struct comedi_rangeinfo *it); +struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device); +void comedi_release_hardware_device(struct device *hardware_device); +int comedi_alloc_subdevice_minor(struct comedi_subdevice *s); +void comedi_free_subdevice_minor(struct comedi_subdevice *s); + +int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, + unsigned long new_size); +void comedi_buf_reset(struct comedi_subdevice *s); +bool comedi_buf_is_mmapped(struct comedi_subdevice *s); +void comedi_buf_map_get(struct comedi_buf_map *bm); +int comedi_buf_map_put(struct comedi_buf_map *bm); +int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset, + void *buf, int len, int write); +struct comedi_buf_map * +comedi_buf_map_from_subdev_get(struct comedi_subdevice *s); +unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s); +unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s); +void comedi_device_cancel_all(struct comedi_device *dev); +bool comedi_can_auto_free_spriv(struct comedi_subdevice *s); + +extern unsigned int comedi_default_buf_size_kb; +extern unsigned int comedi_default_buf_maxsize_kb; + +/* drivers.c */ + +extern struct comedi_driver *comedi_drivers; +extern struct mutex comedi_drivers_list_lock; + +int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); + +void comedi_device_detach(struct comedi_device *dev); +int comedi_device_attach(struct comedi_device *dev, + struct comedi_devconfig *it); + +#ifdef CONFIG_PROC_FS + +/* proc.c */ + +void comedi_proc_init(void); +void comedi_proc_cleanup(void); +#else +static inline void comedi_proc_init(void) +{ +} + +static inline void comedi_proc_cleanup(void) +{ +} +#endif + +#endif /* _COMEDI_INTERNAL_H */ |