diff options
Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c')
| -rw-r--r-- | drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c | 61 |
1 files changed, 17 insertions, 44 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index be936b8fe317..d2262275a870 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 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 <vincent.sanders@collabora.co.uk> * Dave Stevenson <dsteve@broadcom.com> * Simon Mellor <simellor@broadcom.com> @@ -328,11 +325,9 @@ static void buffer_cb(struct vchiq_mmal_instance *instance, pr_debug("Grab another frame"); vchiq_mmal_port_parameter_set( instance, - dev->capture. - camera_port, + dev->capture.camera_port, MMAL_PARAMETER_CAPTURE, - &dev->capture. - frame_count, + &dev->capture.frame_count, sizeof(dev->capture.frame_count)); } } else { @@ -343,37 +338,17 @@ static void buffer_cb(struct vchiq_mmal_instance *instance, if (dev->capture.frame_count) { if (dev->capture.vc_start_timestamp != -1 && pts != 0) { - struct timeval timestamp; + ktime_t timestamp; s64 runtime_us = pts - dev->capture.vc_start_timestamp; - u32 div = 0; - u32 rem = 0; - - div = - div_u64_rem(runtime_us, USEC_PER_SEC, &rem); - timestamp.tv_sec = - dev->capture.kernel_start_ts.tv_sec + div; - timestamp.tv_usec = - dev->capture.kernel_start_ts.tv_usec + rem; - - if (timestamp.tv_usec >= - USEC_PER_SEC) { - timestamp.tv_sec++; - timestamp.tv_usec -= - USEC_PER_SEC; - } + timestamp = ktime_add_us(dev->capture.kernel_start_ts, + runtime_us); v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, - "Convert start time %d.%06d and %llu " - "with offset %llu to %d.%06d\n", - (int)dev->capture.kernel_start_ts. - tv_sec, - (int)dev->capture.kernel_start_ts. - tv_usec, + "Convert start time %llu and %llu with offset %llu to %llu\n", + ktime_to_ns(dev->capture.kernel_start_ts), dev->capture.vc_start_timestamp, pts, - (int)timestamp.tv_sec, - (int)timestamp.tv_usec); - buf->vb.vb2_buf.timestamp = timestamp.tv_sec * 1000000000ULL + - timestamp.tv_usec * 1000ULL; + ktime_to_ns(timestamp)); + buf->vb.vb2_buf.timestamp = ktime_to_ns(timestamp); } else { buf->vb.vb2_buf.timestamp = ktime_get_ns(); } @@ -387,11 +362,9 @@ static void buffer_cb(struct vchiq_mmal_instance *instance, "Grab another frame as buffer has EOS"); vchiq_mmal_port_parameter_set( instance, - dev->capture. - camera_port, + dev->capture.camera_port, MMAL_PARAMETER_CAPTURE, - &dev->capture. - frame_count, + &dev->capture.frame_count, sizeof(dev->capture.frame_count)); } } else { @@ -547,7 +520,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) "Start time %lld size %d\n", dev->capture.vc_start_timestamp, parameter_size); - v4l2_get_timestamp(&dev->capture.kernel_start_ts); + dev->capture.kernel_start_ts = ktime_get(); /* enable the camera port */ dev->capture.port->cb_ctx = dev; @@ -555,8 +528,8 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) vchiq_mmal_port_enable(dev->instance, dev->capture.port, buffer_cb); if (ret) { v4l2_err(&dev->v4l2_dev, - "Failed to enable capture port - error %d. " - "Disabling camera port again\n", ret); + "Failed to enable capture port - error %d. Disabling camera port again\n", + ret); vchiq_mmal_port_disable(dev->instance, dev->capture.camera_port); @@ -1213,8 +1186,8 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev, port->current_buffer.size = (f->fmt.pix.sizeimage < (100 << 10)) - ? (100 << 10) : f->fmt.pix. - sizeimage; + ? (100 << 10) + : f->fmt.pix.sizeimage; } v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev, |