@@ -3,6 +3,7 @@ obj-$(CONFIG_VIDEO_ROCKCHIP_VPU) += rockchip-vpu.o
rockchip-vpu-y += \
rockchip_vpu_drv.o \
rockchip_vpu_enc.o \
+ rockchip_vpu_dec.o \
rk3288_vpu_hw.o \
rk3288_vpu_hw_jpeg_enc.o \
rk3399_vpu_hw.o \
@@ -74,6 +74,24 @@ static irqreturn_t rk3399_vepu_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static irqreturn_t rk3399_vdpu_irq(int irq, void *dev_id)
+{
+ struct rockchip_vpu_dev *vpu = dev_id;
+ enum vb2_buffer_state state;
+ u32 status;
+
+ status = vdpu_read(vpu, VDPU_REG_INTERRUPT);
+ state = (status & VDPU_REG_INTERRUPT_DEC_IRQ) ?
+ VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
+
+ vdpu_write(vpu, 0, VDPU_REG_INTERRUPT);
+ vdpu_write(vpu, 0, VDPU_REG_AXI_CTRL);
+
+ rockchip_vpu_irq_done(vpu, 0, state);
+
+ return IRQ_HANDLED;
+}
+
static int rk3399_vpu_hw_init(struct rockchip_vpu_dev *vpu)
{
/* Bump ACLK to max. possible freq. to improve performance. */
@@ -114,6 +132,7 @@ const struct rockchip_vpu_variant rk3399_vpu_variant = {
.codec = RK_VPU_CODEC_JPEG,
.codec_ops = rk3399_vpu_codec_ops,
.vepu_irq = rk3399_vepu_irq,
+ .vdpu_irq = rk3399_vdpu_irq,
.init = rk3399_vpu_hw_init,
.clk_names = {"aclk", "hclk"},
.num_clocks = 2
@@ -40,23 +40,31 @@ struct rockchip_vpu_codec_ops;
* struct rockchip_vpu_variant - information about VPU hardware variant
*
* @enc_offset: Offset from VPU base to encoder registers.
+ * @dec_offset: Offset from VPU base to decoder registers.
* @enc_fmts: Encoder formats.
* @num_enc_fmts: Number of encoder formats.
+ * @dec_fmts: Decoder formats.
+ * @num_dec_fmts: Number of decoder formats.
* @codec: Supported codecs
* @codec_ops: Codec ops.
* @init: Initialize hardware.
* @vepu_irq: encoder interrupt handler
+ * @vdpu_irq: decoder interrupt handler
* @clk_names: array of clock names
* @num_clocks: number of clocks in the array
*/
struct rockchip_vpu_variant {
unsigned int enc_offset;
+ unsigned int dec_offset;
const struct rockchip_vpu_fmt *enc_fmts;
unsigned int num_enc_fmts;
+ const struct rockchip_vpu_fmt *dec_fmts;
+ unsigned int num_dec_fmts;
unsigned int codec;
const struct rockchip_vpu_codec_ops *codec_ops;
int (*init)(struct rockchip_vpu_dev *vpu);
irqreturn_t (*vepu_irq)(int irq, void *priv);
+ irqreturn_t (*vdpu_irq)(int irq, void *priv);
const char *clk_names[ROCKCHIP_VPU_MAX_CLOCKS];
int num_clocks;
};
@@ -109,6 +117,7 @@ struct rockchip_vpu_mc {
* @m2m_dev: mem2mem device associated to this device.
* @mdev: media device associated to this device.
* @vfd_enc: Video device for encoder.
+ * @vfd_dec: Video device for decoder.
* @pdev: Pointer to VPU platform device.
* @mc: Array of media controller topology structs
* for encoder and decoder.
@@ -117,6 +126,7 @@ struct rockchip_vpu_mc {
* @clocks: Array of clock handles.
* @base: Mapped address of VPU registers.
* @enc_base: Mapped address of VPU encoder register for convenience.
+ * @dec_base: Mapped address of VPU decoder register for convenience.
* @vpu_mutex: Mutex to synchronize V4L2 calls.
* @irqlock: Spinlock to synchronize access to data structures
* shared with interrupt handlers.
@@ -128,12 +138,14 @@ struct rockchip_vpu_dev {
struct v4l2_m2m_dev *m2m_dev;
struct media_device mdev;
struct video_device *vfd_enc;
+ struct video_device *vfd_dec;
struct platform_device *pdev;
struct rockchip_vpu_mc mc[2];
struct device *dev;
struct clk_bulk_data clocks[ROCKCHIP_VPU_MAX_CLOCKS];
void __iomem *base;
void __iomem *enc_base;
+ void __iomem *dec_base;
struct mutex vpu_mutex; /* video_device lock */
spinlock_t irqlock;
@@ -146,6 +158,7 @@ struct rockchip_vpu_dev {
*
* @dev: VPU driver data to which the context belongs.
* @fh: V4L2 file handler.
+ * @is_enc: Encoder or decoder?
*
* @sequence_cap: Sequence counter for capture queue
* @sequence_out: Sequence counter for output queue
@@ -164,6 +177,7 @@ struct rockchip_vpu_dev {
struct rockchip_vpu_ctx {
struct rockchip_vpu_dev *dev;
struct v4l2_fh fh;
+ unsigned int is_enc;
u32 sequence_cap;
u32 sequence_out;
@@ -262,4 +276,25 @@ static inline u32 vepu_read(struct rockchip_vpu_dev *vpu, u32 reg)
return val;
}
+static inline void vdpu_write_relaxed(struct rockchip_vpu_dev *vpu,
+ u32 val, u32 reg)
+{
+ vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val);
+ writel_relaxed(val, vpu->dec_base + reg);
+}
+
+static inline void vdpu_write(struct rockchip_vpu_dev *vpu, u32 val, u32 reg)
+{
+ vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val);
+ writel(val, vpu->dec_base + reg);
+}
+
+static inline u32 vdpu_read(struct rockchip_vpu_dev *vpu, u32 reg)
+{
+ u32 val = readl(vpu->dec_base + reg);
+
+ vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val);
+ return val;
+}
+
#endif /* ROCKCHIP_VPU_H_ */
@@ -19,12 +19,18 @@
#include "rockchip_vpu.h"
extern const struct v4l2_ioctl_ops rockchip_vpu_enc_ioctl_ops;
+extern const struct v4l2_ioctl_ops rockchip_vpu_dec_ioctl_ops;
extern const struct vb2_ops rockchip_vpu_enc_queue_ops;
+extern const struct vb2_ops rockchip_vpu_dec_queue_ops;
void rockchip_vpu_enc_reset_src_fmt(struct rockchip_vpu_dev *vpu,
struct rockchip_vpu_ctx *ctx);
void rockchip_vpu_enc_reset_dst_fmt(struct rockchip_vpu_dev *vpu,
struct rockchip_vpu_ctx *ctx);
+void rockchip_vpu_dec_reset_src_fmt(struct rockchip_vpu_dev *vpu,
+ struct rockchip_vpu_ctx *ctx);
+void rockchip_vpu_dec_reset_dst_fmt(struct rockchip_vpu_dev *vpu,
+ struct rockchip_vpu_ctx *ctx);
void *rockchip_vpu_get_ctrl(struct rockchip_vpu_ctx *ctx, u32 id);
dma_addr_t rockchip_vpu_get_ref(struct vb2_queue *q, u64 ts);
new file mode 100644
@@ -0,0 +1,557 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip VPU codec driver
+ *
+ * Copyright (C) 2018 Collabora, Ltd.
+ * Copyright (C) 2018 Rockchip Electronics Co., Ltd.
+ * Alpha Lin <Alpha.Lin@rock-chips.com>
+ * Jeffy Chen <jeffy.chen@rock-chips.com>
+ *
+ * Copyright 2018 Google LLC.
+ * Tomasz Figa <tfiga@chromium.org>
+ *
+ * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
+ * Copyright (C) 2010-2011 Samsung Electronics Co., Ltd.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/videodev2.h>
+#include <linux/workqueue.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-sg.h>
+
+#include "rockchip_vpu.h"
+#include "rockchip_vpu_hw.h"
+#include "rockchip_vpu_common.h"
+
+static const struct rockchip_vpu_fmt *
+rockchip_vpu_find_format(struct rockchip_vpu_ctx *ctx, u32 fourcc)
+{
+ struct rockchip_vpu_dev *dev = ctx->dev;
+ const struct rockchip_vpu_fmt *formats;
+ unsigned int num_fmts, i;
+
+ formats = dev->variant->dec_fmts;
+ num_fmts = dev->variant->num_dec_fmts;
+ for (i = 0; i < num_fmts; i++)
+ if (formats[i].fourcc == fourcc)
+ return &formats[i];
+ return NULL;
+}
+
+static const struct rockchip_vpu_fmt *
+rockchip_vpu_get_default_fmt(struct rockchip_vpu_ctx *ctx, bool bitstream)
+{
+ struct rockchip_vpu_dev *dev = ctx->dev;
+ const struct rockchip_vpu_fmt *formats;
+ unsigned int num_fmts, i;
+
+ formats = dev->variant->dec_fmts;
+ num_fmts = dev->variant->num_dec_fmts;
+ for (i = 0; i < num_fmts; i++)
+ if (bitstream == (formats[i].codec_mode != RK_VPU_MODE_NONE))
+ return &formats[i];
+ return NULL;
+}
+
+static int vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct rockchip_vpu_dev *vpu = video_drvdata(file);
+
+ strlcpy(cap->driver, vpu->dev->driver->name, sizeof(cap->driver));
+ strlcpy(cap->card, vpu->vfd_dec->name, sizeof(cap->card));
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform: %s",
+ vpu->dev->driver->name);
+ return 0;
+}
+
+static int vidioc_enum_framesizes(struct file *file, void *priv,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+ const struct rockchip_vpu_fmt *fmt;
+
+ if (fsize->index != 0) {
+ vpu_debug(0, "invalid frame size index (expected 0, got %d)\n",
+ fsize->index);
+ return -EINVAL;
+ }
+
+ fmt = rockchip_vpu_find_format(ctx, fsize->pixel_format);
+ if (!fmt) {
+ vpu_debug(0, "unsupported bitstream format (%08x)\n",
+ fsize->pixel_format);
+ return -EINVAL;
+ }
+
+ /* This only makes sense for codec formats */
+ if (fmt->codec_mode == RK_VPU_MODE_NONE)
+ return -EINVAL;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
+ fsize->stepwise = fmt->frmsize;
+
+ return 0;
+}
+
+static int vidioc_enum_fmt_vid_cap_mplane(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct rockchip_vpu_dev *dev = video_drvdata(file);
+ const struct rockchip_vpu_fmt *fmt;
+ const struct rockchip_vpu_fmt *formats;
+ int num_fmts, i, j = 0;
+
+ formats = dev->variant->dec_fmts;
+ num_fmts = dev->variant->num_dec_fmts;
+ for (i = 0; i < num_fmts; i++) {
+ /* Skip compressed formats */
+ if (formats[i].codec_mode != RK_VPU_MODE_NONE)
+ continue;
+ if (j == f->index) {
+ fmt = &formats[i];
+ f->pixelformat = fmt->fourcc;
+ return 0;
+ }
+ ++j;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_enum_fmt_vid_out_mplane(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct rockchip_vpu_dev *dev = video_drvdata(file);
+ const struct rockchip_vpu_fmt *formats;
+ const struct rockchip_vpu_fmt *fmt;
+ int num_fmts, i, j = 0;
+
+ formats = dev->variant->dec_fmts;
+ num_fmts = dev->variant->num_dec_fmts;
+ for (i = 0; i < num_fmts; i++) {
+ if (formats[i].codec_mode == RK_VPU_MODE_NONE)
+ continue;
+ if (j == f->index) {
+ fmt = &formats[i];
+ f->pixelformat = fmt->fourcc;
+ return 0;
+ }
+ ++j;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_g_fmt_out_mplane(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+
+ vpu_debug(4, "f->type = %d\n", f->type);
+
+ *pix_mp = ctx->src_fmt;
+
+ return 0;
+}
+
+static int vidioc_g_fmt_cap_mplane(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+
+ vpu_debug(4, "f->type = %d\n", f->type);
+
+ *pix_mp = ctx->dst_fmt;
+
+ return 0;
+}
+
+static int
+vidioc_try_fmt_cap_mplane(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ const struct rockchip_vpu_fmt *fmt;
+ unsigned int width, height;
+
+ vpu_debug(4, "%c%c%c%c\n",
+ (pix_mp->pixelformat & 0x7f),
+ (pix_mp->pixelformat >> 8) & 0x7f,
+ (pix_mp->pixelformat >> 16) & 0x7f,
+ (pix_mp->pixelformat >> 24) & 0x7f);
+
+ fmt = rockchip_vpu_find_format(ctx, pix_mp->pixelformat);
+ if (!fmt) {
+ fmt = rockchip_vpu_get_default_fmt(ctx, false);
+ f->fmt.pix.pixelformat = fmt->fourcc;
+ }
+
+ pix_mp->field = V4L2_FIELD_NONE;
+ width = clamp(pix_mp->width,
+ ctx->vpu_src_fmt->frmsize.min_width,
+ ctx->vpu_src_fmt->frmsize.max_width);
+ height = clamp(pix_mp->height,
+ ctx->vpu_src_fmt->frmsize.min_height,
+ ctx->vpu_src_fmt->frmsize.max_height);
+ /* Round up to macroblocks. */
+ width = round_up(width, ctx->vpu_src_fmt->frmsize.step_width);
+ height = round_up(height, ctx->vpu_src_fmt->frmsize.step_height);
+
+ /* Fill remaining fields */
+ v4l2_fill_pixfmt_mp(pix_mp, fmt->fourcc, width, height);
+ return 0;
+}
+
+static int
+vidioc_try_fmt_out_mplane(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ const struct rockchip_vpu_fmt *fmt;
+
+ fmt = rockchip_vpu_find_format(ctx, pix_mp->pixelformat);
+ if (!fmt) {
+ fmt = rockchip_vpu_get_default_fmt(ctx, true);
+ f->fmt.pix.pixelformat = fmt->fourcc;
+ }
+
+ pix_mp->num_planes = 1;
+ pix_mp->field = V4L2_FIELD_NONE;
+ pix_mp->width = clamp(pix_mp->width,
+ fmt->frmsize.min_width,
+ fmt->frmsize.max_width);
+ pix_mp->height = clamp(pix_mp->height,
+ fmt->frmsize.min_height,
+ fmt->frmsize.max_height);
+ /* Round up to macroblocks. */
+ pix_mp->width = round_up(pix_mp->width, fmt->frmsize.step_width);
+ pix_mp->height = round_up(pix_mp->height, fmt->frmsize.step_height);
+
+ /*
+ * For compressed formats the application can specify
+ * sizeimage. If the application passes a zero sizeimage,
+ * let's default to the maximum frame size.
+ */
+ if (!pix_mp->plane_fmt[0].sizeimage)
+ pix_mp->plane_fmt[0].sizeimage = fmt->header_size +
+ pix_mp->width * pix_mp->height * fmt->max_depth;
+ return 0;
+}
+
+void rockchip_vpu_dec_reset_dst_fmt(struct rockchip_vpu_dev *vpu,
+ struct rockchip_vpu_ctx *ctx)
+{
+ struct v4l2_pix_format_mplane *fmt = &ctx->dst_fmt;
+ unsigned int width, height;
+
+ ctx->vpu_dst_fmt = rockchip_vpu_get_default_fmt(ctx, false);
+
+ memset(fmt, 0, sizeof(*fmt));
+
+ width = clamp(fmt->width, ctx->vpu_src_fmt->frmsize.min_width,
+ ctx->vpu_src_fmt->frmsize.max_width);
+ height = clamp(fmt->height, ctx->vpu_src_fmt->frmsize.min_height,
+ ctx->vpu_src_fmt->frmsize.max_height);
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_JPEG,
+ fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+ fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+
+ v4l2_fill_pixfmt_mp(fmt, ctx->vpu_dst_fmt->fourcc, width, height);
+}
+
+void rockchip_vpu_dec_reset_src_fmt(struct rockchip_vpu_dev *vpu,
+ struct rockchip_vpu_ctx *ctx)
+{
+ struct v4l2_pix_format_mplane *fmt = &ctx->src_fmt;
+
+ ctx->vpu_src_fmt = rockchip_vpu_get_default_fmt(ctx, true);
+
+ memset(fmt, 0, sizeof(*fmt));
+
+ fmt->width = clamp(fmt->width, ctx->vpu_src_fmt->frmsize.min_width,
+ ctx->vpu_src_fmt->frmsize.max_width);
+ fmt->height = clamp(fmt->height, ctx->vpu_src_fmt->frmsize.min_height,
+ ctx->vpu_src_fmt->frmsize.max_height);
+ fmt->pixelformat = ctx->vpu_src_fmt->fourcc;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_JPEG,
+ fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+ fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+
+ fmt->plane_fmt[0].sizeimage = ctx->vpu_src_fmt->header_size +
+ fmt->width * fmt->height * ctx->vpu_src_fmt->max_depth;
+}
+
+static int
+vidioc_s_fmt_out_mplane(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+ struct rockchip_vpu_dev *vpu = ctx->dev;
+ struct vb2_queue *vq, *peer_vq;
+ int ret;
+
+ /* Change not allowed if queue is streaming. */
+ vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
+ if (vb2_is_streaming(vq))
+ return -EBUSY;
+
+ /*
+ * Since format change on the OUTPUT queue will reset
+ * the CAPTURE queue, we can't allow doing so
+ * when the CAPTURE queue has buffers allocated.
+ */
+ peer_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+ if (vb2_is_busy(peer_vq) &&
+ (pix_mp->pixelformat != ctx->src_fmt.pixelformat ||
+ pix_mp->height != ctx->src_fmt.height ||
+ pix_mp->width != ctx->src_fmt.width))
+ return -EBUSY;
+
+ ret = vidioc_try_fmt_out_mplane(file, priv, f);
+ if (ret)
+ return ret;
+
+ ctx->vpu_src_fmt = rockchip_vpu_find_format(ctx, pix_mp->pixelformat);
+ ctx->src_fmt = *pix_mp;
+
+ vpu_debug(0, "OUTPUT codec mode: %d\n", ctx->vpu_src_fmt->codec_mode);
+ vpu_debug(0, "fmt - w: %d, h: %d\n",
+ pix_mp->width, pix_mp->height);
+
+ rockchip_vpu_dec_reset_dst_fmt(vpu, ctx);
+ return 0;
+}
+
+static int
+vidioc_s_fmt_cap_mplane(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
+ struct rockchip_vpu_ctx *ctx = fh_to_ctx(priv);
+ struct vb2_queue *vq;
+ int ret;
+
+ /* Change not allowed if queue is streaming. */
+ vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
+ if (vb2_is_streaming(vq))
+ return -EBUSY;
+
+ ret = vidioc_try_fmt_cap_mplane(file, priv, f);
+ if (ret)
+ return ret;
+
+ ctx->vpu_dst_fmt = rockchip_vpu_find_format(ctx, pix_mp->pixelformat);
+ ctx->dst_fmt = *pix_mp;
+
+ vpu_debug(0, "CAPTURE codec mode: %d\n", ctx->vpu_dst_fmt->codec_mode);
+ vpu_debug(0, "fmt - w: %d, h: %d\n",
+ pix_mp->width, pix_mp->height);
+ return 0;
+}
+
+const struct v4l2_ioctl_ops rockchip_vpu_dec_ioctl_ops = {
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_enum_framesizes = vidioc_enum_framesizes,
+
+ .vidioc_try_fmt_vid_cap_mplane = vidioc_try_fmt_cap_mplane,
+ .vidioc_try_fmt_vid_out_mplane = vidioc_try_fmt_out_mplane,
+ .vidioc_s_fmt_vid_out_mplane = vidioc_s_fmt_out_mplane,
+ .vidioc_s_fmt_vid_cap_mplane = vidioc_s_fmt_cap_mplane,
+ .vidioc_g_fmt_vid_out_mplane = vidioc_g_fmt_out_mplane,
+ .vidioc_g_fmt_vid_cap_mplane = vidioc_g_fmt_cap_mplane,
+ .vidioc_enum_fmt_vid_out_mplane = vidioc_enum_fmt_vid_out_mplane,
+ .vidioc_enum_fmt_vid_cap_mplane = vidioc_enum_fmt_vid_cap_mplane,
+
+ .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+ .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
+ .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+};
+
+static int rockchip_vpu_queue_setup(struct vb2_queue *vq,
+ unsigned int *num_buffers,
+ unsigned int *num_planes,
+ unsigned int sizes[],
+ struct device *alloc_devs[])
+{
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(vq);
+ struct v4l2_pix_format_mplane *pixfmt;
+ int i;
+
+ switch (vq->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ pixfmt = &ctx->dst_fmt;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ pixfmt = &ctx->src_fmt;
+ break;
+ default:
+ vpu_err("invalid queue type: %d\n", vq->type);
+ return -EINVAL;
+ }
+
+ if (*num_planes) {
+ if (*num_planes != pixfmt->num_planes)
+ return -EINVAL;
+ for (i = 0; i < pixfmt->num_planes; ++i)
+ if (sizes[i] < pixfmt->plane_fmt[i].sizeimage)
+ return -EINVAL;
+ return 0;
+ }
+
+ *num_planes = pixfmt->num_planes;
+ for (i = 0; i < pixfmt->num_planes; ++i)
+ sizes[i] = pixfmt->plane_fmt[i].sizeimage;
+ return 0;
+}
+
+static int rockchip_vpu_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(vq);
+ const struct rockchip_vpu_fmt *vpu_fmt;
+ struct v4l2_pix_format_mplane *pixfmt;
+ unsigned int sz;
+ int ret = 0;
+ int i;
+
+ switch (vq->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
+ vpu_fmt = ctx->vpu_dst_fmt;
+ pixfmt = &ctx->dst_fmt;
+ break;
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ vpu_fmt = ctx->vpu_src_fmt;
+ pixfmt = &ctx->src_fmt;
+
+ if (vbuf->field == V4L2_FIELD_ANY)
+ vbuf->field = V4L2_FIELD_NONE;
+ if (vbuf->field != V4L2_FIELD_NONE) {
+ vpu_debug(4, "field %d not supported\n",
+ vbuf->field);
+ return -EINVAL;
+ }
+ break;
+ default:
+ vpu_err("invalid queue type: %d\n", vq->type);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < pixfmt->num_planes; ++i) {
+ sz = pixfmt->plane_fmt[i].sizeimage;
+ vpu_debug(4, "plane %d size: %ld, sizeimage: %u\n",
+ i, vb2_plane_size(vb, i), sz);
+ if (vb2_plane_size(vb, i) < sz) {
+ vpu_err("plane %d is too small for output\n", i);
+ ret = -EINVAL;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static void rockchip_vpu_buf_queue(struct vb2_buffer *vb)
+{
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
+}
+
+static int rockchip_vpu_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q);
+ enum rockchip_vpu_codec_mode codec_mode;
+ int ret = 0;
+
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ ctx->sequence_out = 0;
+ else
+ ctx->sequence_cap = 0;
+
+ codec_mode = ctx->vpu_src_fmt->codec_mode;
+
+ vpu_debug(4, "Codec mode = %d\n", codec_mode);
+ ctx->codec_ops = &ctx->dev->variant->codec_ops[codec_mode];
+
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ if (ctx->codec_ops && ctx->codec_ops->start)
+ ret = ctx->codec_ops->start(ctx);
+ return ret;
+}
+
+static void rockchip_vpu_stop_streaming(struct vb2_queue *q)
+{
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(q);
+
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ if (ctx->codec_ops && ctx->codec_ops->stop)
+ ctx->codec_ops->stop(ctx);
+
+ /* The mem2mem framework calls v4l2_m2m_cancel_job before
+ * .stop_streaming, so there isn't any job running and
+ * it is safe to return all the buffers.
+ */
+ for (;;) {
+ struct vb2_v4l2_buffer *vbuf;
+
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ vbuf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ else
+ vbuf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+ if (!vbuf)
+ break;
+ v4l2_ctrl_request_complete(vbuf->vb2_buf.req_obj.req, &ctx->ctrl_handler);
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ }
+}
+
+static void rockchip_vpu_buf_request_complete(struct vb2_buffer *vb)
+{
+ struct rockchip_vpu_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+
+ v4l2_ctrl_request_complete(vb->req_obj.req, &ctx->ctrl_handler);
+}
+
+static int rockchip_vpu_buf_out_validate(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+ vbuf->field = V4L2_FIELD_NONE;
+ return 0;
+}
+
+const struct vb2_ops rockchip_vpu_dec_queue_ops = {
+ .queue_setup = rockchip_vpu_queue_setup,
+ .buf_prepare = rockchip_vpu_buf_prepare,
+ .buf_queue = rockchip_vpu_buf_queue,
+ .buf_out_validate = rockchip_vpu_buf_out_validate,
+ .buf_request_complete = rockchip_vpu_buf_request_complete,
+ .start_streaming = rockchip_vpu_start_streaming,
+ .stop_streaming = rockchip_vpu_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
@@ -36,6 +36,11 @@ module_param_named(debug, rockchip_vpu_debug, int, 0644);
MODULE_PARM_DESC(debug,
"Debug level - higher value produces more verbose messages");
+enum rockchip_vpu_type {
+ RK_VPU_ENCODER,
+ RK_VPU_DECODER,
+};
+
void *rockchip_vpu_get_ctrl(struct rockchip_vpu_ctx *ctx, u32 id)
{
struct v4l2_ctrl *ctrl;
@@ -159,6 +164,44 @@ static struct v4l2_m2m_ops vpu_m2m_ops = {
.device_run = device_run,
};
+static int
+dec_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
+{
+ struct rockchip_vpu_ctx *ctx = priv;
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ src_vq->drv_priv = ctx;
+ src_vq->ops = &rockchip_vpu_dec_queue_ops;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES |
+ DMA_ATTR_NO_KERNEL_MAPPING;
+ src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ src_vq->lock = &ctx->dev->vpu_mutex;
+ src_vq->dev = ctx->dev->v4l2_dev.dev;
+ src_vq->supports_requests = true;
+
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ dst_vq->drv_priv = ctx;
+ dst_vq->bidirectional = true;
+ dst_vq->ops = &rockchip_vpu_dec_queue_ops;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
+ dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ dst_vq->lock = &ctx->dev->vpu_mutex;
+ dst_vq->dev = ctx->dev->v4l2_dev.dev;
+
+ return vb2_queue_init(dst_vq);
+}
+
static int
enc_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
{
@@ -277,11 +320,16 @@ static int rockchip_vpu_open(struct file *filp)
return -ENOMEM;
ctx->dev = vpu;
- if (vdev == vpu->vfd_enc)
+ if (vdev == vpu->vfd_enc) {
+ ctx->is_enc = 1;
ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(vpu->m2m_dev, ctx,
&enc_queue_init);
- else
+ } else if (vdev == vpu->vfd_dec) {
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(vpu->m2m_dev, ctx,
+ &dec_queue_init);
+ } else {
ctx->fh.m2m_ctx = ERR_PTR(-ENODEV);
+ }
if (IS_ERR(ctx->fh.m2m_ctx)) {
ret = PTR_ERR(ctx->fh.m2m_ctx);
kfree(ctx);
@@ -295,6 +343,9 @@ static int rockchip_vpu_open(struct file *filp)
if (vdev == vpu->vfd_enc) {
rockchip_vpu_enc_reset_dst_fmt(vpu, ctx);
rockchip_vpu_enc_reset_src_fmt(vpu, ctx);
+ } else {
+ rockchip_vpu_dec_reset_src_fmt(vpu, ctx);
+ rockchip_vpu_dec_reset_dst_fmt(vpu, ctx);
}
ret = rockchip_vpu_ctrls_setup(vpu, ctx);
@@ -352,7 +403,8 @@ static const struct media_device_ops rockchip_m2m_media_ops = {
.req_queue = v4l2_m2m_request_queue,
};
-static int rockchip_vpu_video_device_register(struct rockchip_vpu_dev *vpu)
+static int rockchip_vpu_video_device_register(struct rockchip_vpu_dev *vpu,
+ enum rockchip_vpu_type type)
{
const struct of_device_id *match;
struct video_device *vfd;
@@ -371,9 +423,16 @@ static int rockchip_vpu_video_device_register(struct rockchip_vpu_dev *vpu)
vfd->v4l2_dev = &vpu->v4l2_dev;
vfd->vfl_dir = VFL_DIR_M2M;
vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE;
- vfd->ioctl_ops = &rockchip_vpu_enc_ioctl_ops;
- snprintf(vfd->name, sizeof(vfd->name), "%s-enc", match->compatible);
- vpu->vfd_enc = vfd;
+ vfd->ioctl_ops = (type == RK_VPU_ENCODER) ?
+ &rockchip_vpu_enc_ioctl_ops :
+ &rockchip_vpu_dec_ioctl_ops;
+ snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible,
+ (type == RK_VPU_ENCODER) ? "enc" : "dec");
+
+ if (type == RK_VPU_ENCODER)
+ vpu->vfd_enc = vfd;
+ else
+ vpu->vfd_dec = vfd;
video_set_drvdata(vfd, vpu);
ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
@@ -539,6 +598,16 @@ static int rockchip_register_media_controller(struct rockchip_vpu_dev *vpu)
return ret;
}
+ if (vpu->vfd_dec) {
+ ret = rockchip_register_mc(&vpu->mdev, &vpu->mc[1],
+ vpu->vfd_dec,
+ MEDIA_ENT_F_PROC_VIDEO_DECODER);
+ if (ret) {
+ rockchip_unregister_mc(&vpu->mc[0]);
+ return ret;
+ }
+ }
+
return 0;
}
@@ -575,6 +644,7 @@ static int rockchip_vpu_probe(struct platform_device *pdev)
if (IS_ERR(vpu->base))
return PTR_ERR(vpu->base);
vpu->enc_base = vpu->base + vpu->variant->enc_offset;
+ vpu->dec_base = vpu->base + vpu->variant->dec_offset;
ret = dma_set_coherent_mask(vpu->dev, DMA_BIT_MASK(32));
if (ret) {
@@ -582,6 +652,23 @@ static int rockchip_vpu_probe(struct platform_device *pdev)
return ret;
}
+ if (vpu->variant->vdpu_irq) {
+ int irq;
+
+ irq = platform_get_irq_byname(vpu->pdev, "vdpu");
+ if (irq <= 0) {
+ dev_err(vpu->dev, "Could not get vdpu IRQ.\n");
+ return -ENXIO;
+ }
+
+ ret = devm_request_irq(vpu->dev, irq, vpu->variant->vdpu_irq,
+ 0, dev_name(vpu->dev), vpu);
+ if (ret) {
+ dev_err(vpu->dev, "Could not request vdpu IRQ.\n");
+ return ret;
+ }
+ }
+
if (vpu->variant->vepu_irq) {
int irq;
@@ -635,10 +722,20 @@ static int rockchip_vpu_probe(struct platform_device *pdev)
vpu->mdev.ops = &rockchip_m2m_media_ops;
vpu->v4l2_dev.mdev = &vpu->mdev;
- ret = rockchip_vpu_video_device_register(vpu);
- if (ret) {
- dev_err(&pdev->dev, "Failed to register encoder\n");
- goto err_m2m_rel;
+ if (vpu->variant->enc_fmts) {
+ ret = rockchip_vpu_video_device_register(vpu, RK_VPU_ENCODER);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register encoder\n");
+ goto err_m2m_enc_rel;
+ }
+ }
+
+ if (vpu->variant->dec_fmts) {
+ ret = rockchip_vpu_video_device_register(vpu, RK_VPU_DECODER);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register decoder\n");
+ goto err_video_dev_unreg;
+ }
}
ret = rockchip_register_media_controller(vpu);
@@ -654,14 +751,20 @@ static int rockchip_vpu_probe(struct platform_device *pdev)
}
return 0;
err_mc_unreg:
+ if (vpu->vfd_dec)
+ rockchip_unregister_mc(&vpu->mc[1]);
if (vpu->vfd_enc)
rockchip_unregister_mc(&vpu->mc[0]);
err_video_dev_unreg:
+ if (vpu->vfd_dec) {
+ video_unregister_device(vpu->vfd_dec);
+ video_device_release(vpu->vfd_dec);
+ }
if (vpu->vfd_enc) {
video_unregister_device(vpu->vfd_enc);
video_device_release(vpu->vfd_enc);
}
-err_m2m_rel:
+err_m2m_enc_rel:
v4l2_m2m_release(vpu->m2m_dev);
err_v4l2_unreg:
v4l2_device_unregister(&vpu->v4l2_dev);
@@ -685,6 +788,11 @@ static int rockchip_vpu_remove(struct platform_device *pdev)
video_unregister_device(vpu->vfd_enc);
video_device_release(vpu->vfd_enc);
}
+ if (vpu->vfd_dec) {
+ rockchip_unregister_mc(&vpu->mc[1]);
+ video_unregister_device(vpu->vfd_dec);
+ video_device_release(vpu->vfd_dec);
+ }
v4l2_device_unregister(&vpu->v4l2_dev);
clk_bulk_unprepare(vpu->variant->num_clocks, vpu->clocks);
pm_runtime_disable(vpu->dev);
This commit adds the needed boilerplate code to support the VPU in decoding operation. Two v4l2 interfaces are exposed, one for encoding and one for decoding, but a single m2m device is shared by them, so jobs are properly serialized. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> --- drivers/staging/media/rockchip/vpu/Makefile | 1 + .../media/rockchip/vpu/rk3399_vpu_hw.c | 19 + .../staging/media/rockchip/vpu/rockchip_vpu.h | 35 ++ .../media/rockchip/vpu/rockchip_vpu_common.h | 6 + .../media/rockchip/vpu/rockchip_vpu_dec.c | 557 ++++++++++++++++++ .../media/rockchip/vpu/rockchip_vpu_drv.c | 130 +++- 6 files changed, 737 insertions(+), 11 deletions(-) create mode 100644 drivers/staging/media/rockchip/vpu/rockchip_vpu_dec.c