/* * Samsung S5P/Exynos4 SoC series camera interface driver header * * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd. * Sylwester Nawrocki * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef S5P_FIMC_H_ #define S5P_FIMC_H_ #include #include #include /* * Enumeration of data inputs to the camera subsystem. */ enum fimc_input { FIMC_INPUT_PARALLEL_0 = 1, FIMC_INPUT_PARALLEL_1, FIMC_INPUT_MIPI_CSI2_0 = 3, FIMC_INPUT_MIPI_CSI2_1, FIMC_INPUT_WRITEBACK_A = 5, FIMC_INPUT_WRITEBACK_B, FIMC_INPUT_WRITEBACK_ISP = 5, }; /* * Enumeration of the FIMC data bus types. */ enum fimc_bus_type { /* Camera parallel bus */ FIMC_BUS_TYPE_ITU_601 = 1, /* Camera parallel bus with embedded synchronization */ FIMC_BUS_TYPE_ITU_656, /* Camera MIPI-CSI2 serial bus */ FIMC_BUS_TYPE_MIPI_CSI2, /* FIFO link from LCD controller (WriteBack A) */ FIMC_BUS_TYPE_LCD_WRITEBACK_A, /* FIFO link from LCD controller (WriteBack B) */ FIMC_BUS_TYPE_LCD_WRITEBACK_B, /* FIFO link from FIMC-IS */ FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B, }; #define fimc_input_is_parallel(x) ((x) == 1 || (x) == 2) #define fimc_input_is_mipi_csi(x) ((x) == 3 || (x) == 4) /* * The subdevices' group IDs. */ #define GRP_ID_SENSOR (1 << 8) #define GRP_ID_FIMC_IS_SENSOR (1 << 9) #define GRP_ID_WRITEBACK (1 << 10) #define GRP_ID_CSIS (1 << 11) #define GRP_ID_FIMC (1 << 12) #define GRP_ID_FLITE (1 << 13) #define GRP_ID_FIMC_IS (1 << 14) /** * struct fimc_source_info - video source description required for the host * interface configuration * * @fimc_bus_type: FIMC camera input type * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc. * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*) * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) */ struct fimc_source_info { enum fimc_bus_type fimc_bus_type; enum fimc_bus_type sensor_bus_type; u16 flags; u16 mux_id; }; /* * v4l2_device notification id. This is only for internal use in the kernel. * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single * frame capture mode when there is only one VSYNC pulse issued by the sensor * at begining of the frame transmission. */ #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0) #define FIMC_MAX_PLANES 3 /** * struct fimc_fmt - color format data structure * @mbus_code: media bus pixel code, -1 if not applicable * @name: format description * @fourcc: fourcc code for this format, 0 if not applicable * @color: the driver's private color format id * @memplanes: number of physically non-contiguous data planes * @colplanes: number of physically contiguous data planes * @colorspace: v4l2 colorspace (V4L2_COLORSPACE_*) * @depth: per plane driver's private 'number of bits per pixel' * @mdataplanes: bitmask indicating meta data plane(s), (1 << plane_no) * @flags: flags indicating which operation mode format applies to */ struct fimc_fmt { u32 mbus_code; char *name; u32 fourcc; u32 color; u16 memplanes; u16 colplanes; u8 colorspace; u8 depth[FIMC_MAX_PLANES]; u16 mdataplanes; u16 flags; #define FMT_FLAGS_CAM (1 << 0) #define FMT_FLAGS_M2M_IN (1 << 1) #define FMT_FLAGS_M2M_OUT (1 << 2) #define FMT_FLAGS_M2M (1 << 1 | 1 << 2) #define FMT_HAS_ALPHA (1 << 3) #define FMT_FLAGS_COMPRESSED (1 << 4) #define FMT_FLAGS_WRITEBACK (1 << 5) #define FMT_FLAGS_RAW_BAYER (1 << 6) #define FMT_FLAGS_YUV (1 << 7) }; struct exynos_media_pipeline; /* * Media pipeline operations to be called from within a video node, i.e. the * last entity within the pipeline. Implemented by related media device driver. */ struct exynos_media_pipeline_ops { int (*prepare)(struct exynos_media_pipeline *p, struct media_entity *me); int (*unprepare)(struct exynos_media_pipeline *p); int (*open)(struct exynos_media_pipeline *p, struct media_entity *me, bool resume); int (*close)(struct exynos_media_pipeline *p); int (*set_stream)(struct exynos_media_pipeline *p, bool state); }; struct exynos_video_entity { struct video_device vdev; struct exynos_media_pipeline *pipe; }; struct exynos_media_pipeline { struct media_pipeline mp; const struct exynos_media_pipeline_ops *ops; }; static inline struct exynos_video_entity *vdev_to_exynos_video_entity( struct video_device *vdev) { return container_of(vdev, struct exynos_video_entity, vdev); } #define fimc_pipeline_call(ent, op, args...) \ (!(ent) ? -ENOENT : (((ent)->pipe->ops && (ent)->pipe->ops->op) ? \ (ent)->pipe->ops->op(((ent)->pipe), ##args) : -ENOIOCTLCMD)) \ #endif /* S5P_FIMC_H_ */ 7289526eed96541a0654'>7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch) treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /include/net/wext.h parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/net/wext.h')