diff options
Diffstat (limited to 'testing/linux-amlogic/0037-meson-vdec-introduce-controls-and-V4L2_CID_MIN_BUFFE.patch')
| -rw-r--r-- | testing/linux-amlogic/0037-meson-vdec-introduce-controls-and-V4L2_CID_MIN_BUFFE.patch | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/testing/linux-amlogic/0037-meson-vdec-introduce-controls-and-V4L2_CID_MIN_BUFFE.patch b/testing/linux-amlogic/0037-meson-vdec-introduce-controls-and-V4L2_CID_MIN_BUFFE.patch new file mode 100644 index 0000000000..3c120117b1 --- /dev/null +++ b/testing/linux-amlogic/0037-meson-vdec-introduce-controls-and-V4L2_CID_MIN_BUFFE.patch @@ -0,0 +1,153 @@ +From e36802c6297adb0c560f3a6c1672546eb380c458 Mon Sep 17 00:00:00 2001 +From: Maxime Jourdan <mjourdan@baylibre.com> +Date: Wed, 10 Oct 2018 17:22:27 +0200 +Subject: [PATCH] meson: vdec: introduce controls and + V4L2_CID_MIN_BUFFERS_FOR_CAPTURE + +--- + drivers/media/platform/meson/vdec/Makefile | 2 +- + drivers/media/platform/meson/vdec/vdec.c | 7 ++++ + drivers/media/platform/meson/vdec/vdec.h | 2 ++ + drivers/media/platform/meson/vdec/vdec_ctrls.c | 45 ++++++++++++++++++++++++++ + drivers/media/platform/meson/vdec/vdec_ctrls.h | 8 +++++ + 5 files changed, 63 insertions(+), 1 deletion(-) + create mode 100644 drivers/media/platform/meson/vdec/vdec_ctrls.c + create mode 100644 drivers/media/platform/meson/vdec/vdec_ctrls.h + +diff --git a/drivers/media/platform/meson/vdec/Makefile b/drivers/media/platform/meson/vdec/Makefile +index 6bea129..eba8608 100644 +--- a/drivers/media/platform/meson/vdec/Makefile ++++ b/drivers/media/platform/meson/vdec/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + # Makefile for Amlogic meson video decoder driver + +-meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o ++meson-vdec-objs = esparser.o vdec.o vdec_ctrls.o vdec_helpers.o vdec_platform.o + meson-vdec-objs += vdec_1.o + meson-vdec-objs += codec_mpeg12.o + +diff --git a/drivers/media/platform/meson/vdec/vdec.c b/drivers/media/platform/meson/vdec/vdec.c +index d8db52c..1c5d3e9 100644 +--- a/drivers/media/platform/meson/vdec/vdec.c ++++ b/drivers/media/platform/meson/vdec/vdec.c +@@ -21,6 +21,7 @@ + #include "vdec.h" + #include "esparser.h" + #include "vdec_helpers.h" ++#include "vdec_ctrls.h" + + struct dummy_buf { + struct vb2_v4l2_buffer vb; +@@ -290,6 +291,7 @@ static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) + sess->keyframe_found = 0; + sess->last_offset = 0; + sess->wrap_count = 0; ++ sess->dpb_size = 0; + sess->pixelaspect.numerator = 1; + sess->pixelaspect.denominator = 1; + atomic_set(&sess->esparser_queued_bufs, 0); +@@ -812,6 +814,10 @@ static int vdec_open(struct file *file) + goto err_m2m_release; + } + ++ ret = amvdec_init_ctrls(&sess->ctrl_handler); ++ if (ret) ++ goto err_m2m_release; ++ + sess->pixfmt_cap = formats[0].pixfmts_cap[0]; + sess->fmt_out = &formats[0]; + sess->width = 1280; +@@ -827,6 +833,7 @@ static int vdec_open(struct file *file) + spin_lock_init(&sess->ts_spinlock); + + v4l2_fh_init(&sess->fh, core->vdev_dec); ++ sess->fh.ctrl_handler = &sess->ctrl_handler; + v4l2_fh_add(&sess->fh); + sess->fh.m2m_ctx = sess->m2m_ctx; + file->private_data = &sess->fh; +diff --git a/drivers/media/platform/meson/vdec/vdec.h b/drivers/media/platform/meson/vdec/vdec.h +index 4e8c3f1..6be7de2 100644 +--- a/drivers/media/platform/meson/vdec/vdec.h ++++ b/drivers/media/platform/meson/vdec/vdec.h +@@ -203,6 +203,7 @@ struct amvdec_session { + struct v4l2_fh fh; + struct v4l2_m2m_dev *m2m_dev; + struct v4l2_m2m_ctx *m2m_ctx; ++ struct v4l2_ctrl_handler ctrl_handler; + struct mutex lock; + + const struct amvdec_format *fmt_out; +@@ -242,6 +243,7 @@ struct amvdec_session { + u64 last_irq_jiffies; + u32 last_offset; + u32 wrap_count; ++ u32 dpb_size; + + void *priv; + }; +diff --git a/drivers/media/platform/meson/vdec/vdec_ctrls.c b/drivers/media/platform/meson/vdec/vdec_ctrls.c +new file mode 100644 +index 0000000..cd6dd6d +--- /dev/null ++++ b/drivers/media/platform/meson/vdec/vdec_ctrls.c +@@ -0,0 +1,45 @@ ++#include "vdec_ctrls.h" ++ ++static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl) ++{ ++ struct amvdec_session *sess = ++ container_of(ctrl->handler, struct amvdec_session, ctrl_handler); ++ ++ switch (ctrl->id) { ++ case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: ++ ctrl->val = sess->dpb_size; ++ break; ++ default: ++ return -EINVAL; ++ }; ++ ++ return 0; ++} ++ ++static const struct v4l2_ctrl_ops vdec_ctrl_ops = { ++ .g_volatile_ctrl = vdec_op_g_volatile_ctrl, ++}; ++ ++int amvdec_init_ctrls(struct v4l2_ctrl_handler *ctrl_handler) ++{ ++ int ret; ++ struct v4l2_ctrl *ctrl; ++ ++ ret = v4l2_ctrl_handler_init(ctrl_handler, 1); ++ if (ret) ++ return ret; ++ ++ ctrl = v4l2_ctrl_new_std(ctrl_handler, &vdec_ctrl_ops, ++ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 1); ++ if (ctrl) ++ ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; ++ ++ ret = ctrl_handler->error; ++ if (ret) { ++ v4l2_ctrl_handler_free(ctrl_handler); ++ return ret; ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(amvdec_init_ctrls); +diff --git a/drivers/media/platform/meson/vdec/vdec_ctrls.h b/drivers/media/platform/meson/vdec/vdec_ctrls.h +new file mode 100644 +index 0000000..4bcc5e6 +--- /dev/null ++++ b/drivers/media/platform/meson/vdec/vdec_ctrls.h +@@ -0,0 +1,8 @@ ++#ifndef __MESON_VDEC_CTRLS_H_ ++#define __MESON_VDEC_CTRLS_H_ ++ ++#include "vdec.h" ++ ++int amvdec_init_ctrls(struct v4l2_ctrl_handler *ctrl_handler); ++ ++#endif |