From 7b3ad5abf027b7643b38c4006d7f4ce47a86dd3a Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 27 Jan 2017 13:54:58 -0800 Subject: staging: Import the BCM2835 MMAL-based V4L2 camera driver. - Supports raw YUV capture, preview, JPEG and H264. - Uses videobuf2 for data transfer, using dma_buf. - Uses 3.6.10 timestamping - Camera power based on use - Uses immutable input mode on video encoder This code comes from the Raspberry Pi kernel tree (rpi-4.9.y) as of a15ba877dab4e61ea3fc7b006e2a73828b083c52. Signed-off-by: Eric Anholt Signed-off-by: Greg Kroah-Hartman --- .../media/platform/bcm2835/mmal-msg-common.h | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 drivers/staging/media/platform/bcm2835/mmal-msg-common.h (limited to 'drivers/staging/media/platform/bcm2835/mmal-msg-common.h') diff --git a/drivers/staging/media/platform/bcm2835/mmal-msg-common.h b/drivers/staging/media/platform/bcm2835/mmal-msg-common.h new file mode 100644 index 000000000000..66e8a6edf628 --- /dev/null +++ b/drivers/staging/media/platform/bcm2835/mmal-msg-common.h @@ -0,0 +1,50 @@ +/* + * Broadcom BM2835 V4L2 driver + * + * Copyright © 2013 Raspberry Pi (Trading) Ltd. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + * Authors: Vincent Sanders + * Dave Stevenson + * Simon Mellor + * Luke Diamand + */ + +#ifndef MMAL_MSG_COMMON_H +#define MMAL_MSG_COMMON_H + +enum mmal_msg_status { + MMAL_MSG_STATUS_SUCCESS = 0, /**< Success */ + MMAL_MSG_STATUS_ENOMEM, /**< Out of memory */ + MMAL_MSG_STATUS_ENOSPC, /**< Out of resources other than memory */ + MMAL_MSG_STATUS_EINVAL, /**< Argument is invalid */ + MMAL_MSG_STATUS_ENOSYS, /**< Function not implemented */ + MMAL_MSG_STATUS_ENOENT, /**< No such file or directory */ + MMAL_MSG_STATUS_ENXIO, /**< No such device or address */ + MMAL_MSG_STATUS_EIO, /**< I/O error */ + MMAL_MSG_STATUS_ESPIPE, /**< Illegal seek */ + MMAL_MSG_STATUS_ECORRUPT, /**< Data is corrupt \attention */ + MMAL_MSG_STATUS_ENOTREADY, /**< Component is not ready */ + MMAL_MSG_STATUS_ECONFIG, /**< Component is not configured */ + MMAL_MSG_STATUS_EISCONN, /**< Port is already connected */ + MMAL_MSG_STATUS_ENOTCONN, /**< Port is disconnected */ + MMAL_MSG_STATUS_EAGAIN, /**< Resource temporarily unavailable. */ + MMAL_MSG_STATUS_EFAULT, /**< Bad address */ +}; + +struct mmal_rect { + s32 x; /**< x coordinate (from left) */ + s32 y; /**< y coordinate (from top) */ + s32 width; /**< width */ + s32 height; /**< height */ +}; + +struct mmal_rational { + s32 num; /**< Numerator */ + s32 den; /**< Denominator */ +}; + +#endif /* MMAL_MSG_COMMON_H */ -- cgit v1.2.3