ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/media/platform/coda/coda-common.c b/marvell/linux/drivers/media/platform/coda/coda-common.c
new file mode 100644
index 0000000..ebe5e44
--- /dev/null
+++ b/marvell/linux/drivers/media/platform/coda/coda-common.c
@@ -0,0 +1,3166 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Coda multi-standard codec IP
+ *
+ * Copyright (C) 2012 Vista Silicon S.L.
+ * Javier Martin, <javier.martin@vista-silicon.com>
+ * Xavier Duret
+ */
+
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/gcd.h>
+#include <linux/genalloc.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/kfifo.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/videodev2.h>
+#include <linux/of.h>
+#include <linux/platform_data/media/coda.h>
+#include <linux/reset.h>
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/videobuf2-vmalloc.h>
+
+#include "coda.h"
+#include "imx-vdoa.h"
+
+#define CODA_NAME "coda"
+
+#define CODADX6_MAX_INSTANCES 4
+#define CODA_MAX_FORMATS 4
+
+#define CODA_ISRAM_SIZE (2048 * 2)
+
+#define MIN_W 48
+#define MIN_H 16
+
+#define S_ALIGN 1 /* multiple of 2 */
+#define W_ALIGN 1 /* multiple of 2 */
+#define H_ALIGN 1 /* multiple of 2 */
+
+#define fh_to_ctx(__fh) container_of(__fh, struct coda_ctx, fh)
+
+int coda_debug;
+module_param(coda_debug, int, 0644);
+MODULE_PARM_DESC(coda_debug, "Debug level (0-2)");
+
+static int disable_tiling;
+module_param(disable_tiling, int, 0644);
+MODULE_PARM_DESC(disable_tiling, "Disable tiled frame buffers");
+
+static int disable_vdoa;
+module_param(disable_vdoa, int, 0644);
+MODULE_PARM_DESC(disable_vdoa, "Disable Video Data Order Adapter tiled to raster-scan conversion");
+
+static int enable_bwb = 0;
+module_param(enable_bwb, int, 0644);
+MODULE_PARM_DESC(enable_bwb, "Enable BWB unit for decoding, may crash on certain streams");
+
+void coda_write(struct coda_dev *dev, u32 data, u32 reg)
+{
+ v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
+ "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
+ writel(data, dev->regs_base + reg);
+}
+
+unsigned int coda_read(struct coda_dev *dev, u32 reg)
+{
+ u32 data;
+
+ data = readl(dev->regs_base + reg);
+ v4l2_dbg(3, coda_debug, &dev->v4l2_dev,
+ "%s: data=0x%x, reg=0x%x\n", __func__, data, reg);
+ return data;
+}
+
+void coda_write_base(struct coda_ctx *ctx, struct coda_q_data *q_data,
+ struct vb2_v4l2_buffer *buf, unsigned int reg_y)
+{
+ u32 base_y = vb2_dma_contig_plane_dma_addr(&buf->vb2_buf, 0);
+ u32 base_cb, base_cr;
+
+ switch (q_data->fourcc) {
+ case V4L2_PIX_FMT_YUYV:
+ /* Fallthrough: IN -H264-> CODA -NV12 MB-> VDOA -YUYV-> OUT */
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_YUV420:
+ default:
+ base_cb = base_y + q_data->bytesperline * q_data->height;
+ base_cr = base_cb + q_data->bytesperline * q_data->height / 4;
+ break;
+ case V4L2_PIX_FMT_YVU420:
+ /* Switch Cb and Cr for YVU420 format */
+ base_cr = base_y + q_data->bytesperline * q_data->height;
+ base_cb = base_cr + q_data->bytesperline * q_data->height / 4;
+ break;
+ case V4L2_PIX_FMT_YUV422P:
+ base_cb = base_y + q_data->bytesperline * q_data->height;
+ base_cr = base_cb + q_data->bytesperline * q_data->height / 2;
+ }
+
+ coda_write(ctx->dev, base_y, reg_y);
+ coda_write(ctx->dev, base_cb, reg_y + 4);
+ coda_write(ctx->dev, base_cr, reg_y + 8);
+}
+
+#define CODA_CODEC(mode, src_fourcc, dst_fourcc, max_w, max_h) \
+ { mode, src_fourcc, dst_fourcc, max_w, max_h }
+
+/*
+ * Arrays of codecs supported by each given version of Coda:
+ * i.MX27 -> codadx6
+ * i.MX51 -> codahx4
+ * i.MX53 -> coda7
+ * i.MX6 -> coda960
+ * Use V4L2_PIX_FMT_YUV420 as placeholder for all supported YUV 4:2:0 variants
+ */
+static const struct coda_codec codadx6_codecs[] = {
+ CODA_CODEC(CODADX6_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
+ CODA_CODEC(CODADX6_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 720, 576),
+};
+
+static const struct coda_codec codahx4_codecs[] = {
+ CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 720, 576),
+ CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1280, 720),
+};
+
+static const struct coda_codec coda7_codecs[] = {
+ CODA_CODEC(CODA7_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1280, 720),
+ CODA_CODEC(CODA7_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1280, 720),
+ CODA_CODEC(CODA7_MODE_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192),
+ CODA_CODEC(CODA7_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA7_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA7_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA7_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192),
+};
+
+static const struct coda_codec coda9_codecs[] = {
+ CODA_CODEC(CODA9_MODE_ENCODE_H264, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_H264, 1920, 1088),
+ CODA_CODEC(CODA9_MODE_ENCODE_MP4, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_MPEG4, 1920, 1088),
+ CODA_CODEC(CODA9_MODE_DECODE_H264, V4L2_PIX_FMT_H264, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA9_MODE_DECODE_MP2, V4L2_PIX_FMT_MPEG2, V4L2_PIX_FMT_YUV420, 1920, 1088),
+ CODA_CODEC(CODA9_MODE_DECODE_MP4, V4L2_PIX_FMT_MPEG4, V4L2_PIX_FMT_YUV420, 1920, 1088),
+};
+
+struct coda_video_device {
+ const char *name;
+ enum coda_inst_type type;
+ const struct coda_context_ops *ops;
+ bool direct;
+ u32 src_formats[CODA_MAX_FORMATS];
+ u32 dst_formats[CODA_MAX_FORMATS];
+};
+
+static const struct coda_video_device coda_bit_encoder = {
+ .name = "coda-encoder",
+ .type = CODA_INST_ENCODER,
+ .ops = &coda_bit_encode_ops,
+ .src_formats = {
+ V4L2_PIX_FMT_NV12,
+ V4L2_PIX_FMT_YUV420,
+ V4L2_PIX_FMT_YVU420,
+ },
+ .dst_formats = {
+ V4L2_PIX_FMT_H264,
+ V4L2_PIX_FMT_MPEG4,
+ },
+};
+
+static const struct coda_video_device coda_bit_jpeg_encoder = {
+ .name = "coda-jpeg-encoder",
+ .type = CODA_INST_ENCODER,
+ .ops = &coda_bit_encode_ops,
+ .src_formats = {
+ V4L2_PIX_FMT_NV12,
+ V4L2_PIX_FMT_YUV420,
+ V4L2_PIX_FMT_YVU420,
+ V4L2_PIX_FMT_YUV422P,
+ },
+ .dst_formats = {
+ V4L2_PIX_FMT_JPEG,
+ },
+};
+
+static const struct coda_video_device coda_bit_decoder = {
+ .name = "coda-decoder",
+ .type = CODA_INST_DECODER,
+ .ops = &coda_bit_decode_ops,
+ .src_formats = {
+ V4L2_PIX_FMT_H264,
+ V4L2_PIX_FMT_MPEG2,
+ V4L2_PIX_FMT_MPEG4,
+ },
+ .dst_formats = {
+ V4L2_PIX_FMT_NV12,
+ V4L2_PIX_FMT_YUV420,
+ V4L2_PIX_FMT_YVU420,
+ /*
+ * If V4L2_PIX_FMT_YUYV should be default,
+ * set_default_params() must be adjusted.
+ */
+ V4L2_PIX_FMT_YUYV,
+ },
+};
+
+static const struct coda_video_device coda_bit_jpeg_decoder = {
+ .name = "coda-jpeg-decoder",
+ .type = CODA_INST_DECODER,
+ .ops = &coda_bit_decode_ops,
+ .src_formats = {
+ V4L2_PIX_FMT_JPEG,
+ },
+ .dst_formats = {
+ V4L2_PIX_FMT_NV12,
+ V4L2_PIX_FMT_YUV420,
+ V4L2_PIX_FMT_YVU420,
+ V4L2_PIX_FMT_YUV422P,
+ },
+};
+
+static const struct coda_video_device *codadx6_video_devices[] = {
+ &coda_bit_encoder,
+};
+
+static const struct coda_video_device *codahx4_video_devices[] = {
+ &coda_bit_encoder,
+ &coda_bit_decoder,
+};
+
+static const struct coda_video_device *coda7_video_devices[] = {
+ &coda_bit_jpeg_encoder,
+ &coda_bit_jpeg_decoder,
+ &coda_bit_encoder,
+ &coda_bit_decoder,
+};
+
+static const struct coda_video_device *coda9_video_devices[] = {
+ &coda_bit_encoder,
+ &coda_bit_decoder,
+};
+
+/*
+ * Normalize all supported YUV 4:2:0 formats to the value used in the codec
+ * tables.
+ */
+static u32 coda_format_normalize_yuv(u32 fourcc)
+{
+ switch (fourcc) {
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_YUV422P:
+ case V4L2_PIX_FMT_YUYV:
+ return V4L2_PIX_FMT_YUV420;
+ default:
+ return fourcc;
+ }
+}
+
+static const struct coda_codec *coda_find_codec(struct coda_dev *dev,
+ int src_fourcc, int dst_fourcc)
+{
+ const struct coda_codec *codecs = dev->devtype->codecs;
+ int num_codecs = dev->devtype->num_codecs;
+ int k;
+
+ src_fourcc = coda_format_normalize_yuv(src_fourcc);
+ dst_fourcc = coda_format_normalize_yuv(dst_fourcc);
+ if (src_fourcc == dst_fourcc)
+ return NULL;
+
+ for (k = 0; k < num_codecs; k++) {
+ if (codecs[k].src_fourcc == src_fourcc &&
+ codecs[k].dst_fourcc == dst_fourcc)
+ break;
+ }
+
+ if (k == num_codecs)
+ return NULL;
+
+ return &codecs[k];
+}
+
+static void coda_get_max_dimensions(struct coda_dev *dev,
+ const struct coda_codec *codec,
+ int *max_w, int *max_h)
+{
+ const struct coda_codec *codecs = dev->devtype->codecs;
+ int num_codecs = dev->devtype->num_codecs;
+ unsigned int w, h;
+ int k;
+
+ if (codec) {
+ w = codec->max_w;
+ h = codec->max_h;
+ } else {
+ for (k = 0, w = 0, h = 0; k < num_codecs; k++) {
+ w = max(w, codecs[k].max_w);
+ h = max(h, codecs[k].max_h);
+ }
+ }
+
+ if (max_w)
+ *max_w = w;
+ if (max_h)
+ *max_h = h;
+}
+
+static const struct coda_video_device *to_coda_video_device(struct video_device
+ *vdev)
+{
+ struct coda_dev *dev = video_get_drvdata(vdev);
+ unsigned int i = vdev - dev->vfd;
+
+ if (i >= dev->devtype->num_vdevs)
+ return NULL;
+
+ return dev->devtype->vdevs[i];
+}
+
+const char *coda_product_name(int product)
+{
+ static char buf[9];
+
+ switch (product) {
+ case CODA_DX6:
+ return "CodaDx6";
+ case CODA_HX4:
+ return "CodaHx4";
+ case CODA_7541:
+ return "CODA7541";
+ case CODA_960:
+ return "CODA960";
+ default:
+ snprintf(buf, sizeof(buf), "(0x%04x)", product);
+ return buf;
+ }
+}
+
+static struct vdoa_data *coda_get_vdoa_data(void)
+{
+ struct device_node *vdoa_node;
+ struct platform_device *vdoa_pdev;
+ struct vdoa_data *vdoa_data = NULL;
+
+ vdoa_node = of_find_compatible_node(NULL, NULL, "fsl,imx6q-vdoa");
+ if (!vdoa_node)
+ return NULL;
+
+ vdoa_pdev = of_find_device_by_node(vdoa_node);
+ if (!vdoa_pdev)
+ goto out;
+
+ vdoa_data = platform_get_drvdata(vdoa_pdev);
+ if (!vdoa_data)
+ vdoa_data = ERR_PTR(-EPROBE_DEFER);
+
+ put_device(&vdoa_pdev->dev);
+out:
+ of_node_put(vdoa_node);
+
+ return vdoa_data;
+}
+
+/*
+ * V4L2 ioctl() operations.
+ */
+static int coda_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+
+ strscpy(cap->driver, CODA_NAME, sizeof(cap->driver));
+ strscpy(cap->card, coda_product_name(ctx->dev->devtype->product),
+ sizeof(cap->card));
+ strscpy(cap->bus_info, "platform:" CODA_NAME, sizeof(cap->bus_info));
+ return 0;
+}
+
+static int coda_enum_fmt(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct video_device *vdev = video_devdata(file);
+ const struct coda_video_device *cvd = to_coda_video_device(vdev);
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ const u32 *formats;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ formats = cvd->src_formats;
+ else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ formats = cvd->dst_formats;
+ else
+ return -EINVAL;
+
+ if (f->index >= CODA_MAX_FORMATS || formats[f->index] == 0)
+ return -EINVAL;
+
+ /* Skip YUYV if the vdoa is not available */
+ if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ formats[f->index] == V4L2_PIX_FMT_YUYV)
+ return -EINVAL;
+
+ f->pixelformat = formats[f->index];
+
+ return 0;
+}
+
+static int coda_g_fmt(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct coda_q_data *q_data;
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+
+ q_data = get_q_data(ctx, f->type);
+ if (!q_data)
+ return -EINVAL;
+
+ f->fmt.pix.field = V4L2_FIELD_NONE;
+ f->fmt.pix.pixelformat = q_data->fourcc;
+ f->fmt.pix.width = q_data->width;
+ f->fmt.pix.height = q_data->height;
+ f->fmt.pix.bytesperline = q_data->bytesperline;
+
+ f->fmt.pix.sizeimage = q_data->sizeimage;
+ f->fmt.pix.colorspace = ctx->colorspace;
+ f->fmt.pix.xfer_func = ctx->xfer_func;
+ f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
+ f->fmt.pix.quantization = ctx->quantization;
+
+ return 0;
+}
+
+static int coda_try_pixelformat(struct coda_ctx *ctx, struct v4l2_format *f)
+{
+ struct coda_q_data *q_data;
+ const u32 *formats;
+ int i;
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ formats = ctx->cvd->src_formats;
+ else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ formats = ctx->cvd->dst_formats;
+ else
+ return -EINVAL;
+
+ for (i = 0; i < CODA_MAX_FORMATS; i++) {
+ /* Skip YUYV if the vdoa is not available */
+ if (!ctx->vdoa && f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
+ formats[i] == V4L2_PIX_FMT_YUYV)
+ continue;
+
+ if (formats[i] == f->fmt.pix.pixelformat) {
+ f->fmt.pix.pixelformat = formats[i];
+ return 0;
+ }
+ }
+
+ /* Fall back to currently set pixelformat */
+ q_data = get_q_data(ctx, f->type);
+ f->fmt.pix.pixelformat = q_data->fourcc;
+
+ return 0;
+}
+
+static int coda_try_fmt_vdoa(struct coda_ctx *ctx, struct v4l2_format *f,
+ bool *use_vdoa)
+{
+ int err;
+
+ if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ if (!use_vdoa)
+ return -EINVAL;
+
+ if (!ctx->vdoa) {
+ *use_vdoa = false;
+ return 0;
+ }
+
+ err = vdoa_context_configure(NULL, round_up(f->fmt.pix.width, 16),
+ f->fmt.pix.height, f->fmt.pix.pixelformat);
+ if (err) {
+ *use_vdoa = false;
+ return 0;
+ }
+
+ *use_vdoa = true;
+ return 0;
+}
+
+static unsigned int coda_estimate_sizeimage(struct coda_ctx *ctx, u32 sizeimage,
+ u32 width, u32 height)
+{
+ /*
+ * This is a rough estimate for sensible compressed buffer
+ * sizes (between 1 and 16 bits per pixel). This could be
+ * improved by better format specific worst case estimates.
+ */
+ return round_up(clamp(sizeimage, width * height / 8,
+ width * height * 2), PAGE_SIZE);
+}
+
+static int coda_try_fmt(struct coda_ctx *ctx, const struct coda_codec *codec,
+ struct v4l2_format *f)
+{
+ struct coda_dev *dev = ctx->dev;
+ unsigned int max_w, max_h;
+ enum v4l2_field field;
+
+ field = f->fmt.pix.field;
+ if (field == V4L2_FIELD_ANY)
+ field = V4L2_FIELD_NONE;
+ else if (V4L2_FIELD_NONE != field)
+ return -EINVAL;
+
+ /* V4L2 specification suggests the driver corrects the format struct
+ * if any of the dimensions is unsupported */
+ f->fmt.pix.field = field;
+
+ coda_get_max_dimensions(dev, codec, &max_w, &max_h);
+ v4l_bound_align_image(&f->fmt.pix.width, MIN_W, max_w, W_ALIGN,
+ &f->fmt.pix.height, MIN_H, max_h, H_ALIGN,
+ S_ALIGN);
+
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_NV12:
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ /*
+ * Frame stride must be at least multiple of 8,
+ * but multiple of 16 for h.264 or JPEG 4:2:x
+ */
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height * 3 / 2;
+ break;
+ case V4L2_PIX_FMT_YUYV:
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height;
+ break;
+ case V4L2_PIX_FMT_YUV422P:
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height * 2;
+ break;
+ case V4L2_PIX_FMT_JPEG:
+ case V4L2_PIX_FMT_H264:
+ case V4L2_PIX_FMT_MPEG4:
+ case V4L2_PIX_FMT_MPEG2:
+ f->fmt.pix.bytesperline = 0;
+ f->fmt.pix.sizeimage = coda_estimate_sizeimage(ctx,
+ f->fmt.pix.sizeimage,
+ f->fmt.pix.width,
+ f->fmt.pix.height);
+ break;
+ default:
+ BUG();
+ }
+
+ return 0;
+}
+
+static int coda_try_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ const struct coda_q_data *q_data_src;
+ const struct coda_codec *codec;
+ struct vb2_queue *src_vq;
+ int ret;
+ bool use_vdoa;
+
+ ret = coda_try_pixelformat(ctx, f);
+ if (ret < 0)
+ return ret;
+
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+
+ /*
+ * If the source format is already fixed, only allow the same output
+ * resolution
+ */
+ src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ if (vb2_is_streaming(src_vq)) {
+ f->fmt.pix.width = q_data_src->width;
+ f->fmt.pix.height = q_data_src->height;
+ }
+
+ f->fmt.pix.colorspace = ctx->colorspace;
+ f->fmt.pix.xfer_func = ctx->xfer_func;
+ f->fmt.pix.ycbcr_enc = ctx->ycbcr_enc;
+ f->fmt.pix.quantization = ctx->quantization;
+
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
+ f->fmt.pix.pixelformat);
+ if (!codec)
+ return -EINVAL;
+
+ ret = coda_try_fmt(ctx, codec, f);
+ if (ret < 0)
+ return ret;
+
+ /* The h.264 decoder only returns complete 16x16 macroblocks */
+ if (codec && codec->src_fourcc == V4L2_PIX_FMT_H264) {
+ f->fmt.pix.height = round_up(f->fmt.pix.height, 16);
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16);
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height * 3 / 2;
+
+ ret = coda_try_fmt_vdoa(ctx, f, &use_vdoa);
+ if (ret < 0)
+ return ret;
+
+ if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) {
+ if (!use_vdoa)
+ return -EINVAL;
+
+ f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16) * 2;
+ f->fmt.pix.sizeimage = f->fmt.pix.bytesperline *
+ f->fmt.pix.height;
+ }
+ }
+
+ return 0;
+}
+
+static void coda_set_default_colorspace(struct v4l2_pix_format *fmt)
+{
+ enum v4l2_colorspace colorspace;
+
+ if (fmt->pixelformat == V4L2_PIX_FMT_JPEG)
+ colorspace = V4L2_COLORSPACE_JPEG;
+ else if (fmt->width <= 720 && fmt->height <= 576)
+ colorspace = V4L2_COLORSPACE_SMPTE170M;
+ else
+ colorspace = V4L2_COLORSPACE_REC709;
+
+ fmt->colorspace = colorspace;
+ fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+ fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+}
+
+static int coda_try_fmt_vid_out(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ struct coda_dev *dev = ctx->dev;
+ const struct coda_q_data *q_data_dst;
+ const struct coda_codec *codec;
+ int ret;
+
+ ret = coda_try_pixelformat(ctx, f);
+ if (ret < 0)
+ return ret;
+
+ if (f->fmt.pix.colorspace == V4L2_COLORSPACE_DEFAULT)
+ coda_set_default_colorspace(&f->fmt.pix);
+
+ q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ codec = coda_find_codec(dev, f->fmt.pix.pixelformat, q_data_dst->fourcc);
+
+ return coda_try_fmt(ctx, codec, f);
+}
+
+static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
+ struct v4l2_rect *r)
+{
+ struct coda_q_data *q_data;
+ struct vb2_queue *vq;
+
+ vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
+ if (!vq)
+ return -EINVAL;
+
+ q_data = get_q_data(ctx, f->type);
+ if (!q_data)
+ return -EINVAL;
+
+ if (vb2_is_busy(vq)) {
+ v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
+ __func__, v4l2_type_names[f->type], vq->num_buffers);
+ return -EBUSY;
+ }
+
+ q_data->fourcc = f->fmt.pix.pixelformat;
+ q_data->width = f->fmt.pix.width;
+ q_data->height = f->fmt.pix.height;
+ q_data->bytesperline = f->fmt.pix.bytesperline;
+ q_data->sizeimage = f->fmt.pix.sizeimage;
+ if (r) {
+ q_data->rect = *r;
+ } else {
+ q_data->rect.left = 0;
+ q_data->rect.top = 0;
+ q_data->rect.width = f->fmt.pix.width;
+ q_data->rect.height = f->fmt.pix.height;
+ }
+
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_YUYV:
+ ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
+ break;
+ case V4L2_PIX_FMT_NV12:
+ if (!disable_tiling && ctx->dev->devtype->product == CODA_960) {
+ ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP;
+ break;
+ }
+ /* else fall through */
+ case V4L2_PIX_FMT_YUV420:
+ case V4L2_PIX_FMT_YVU420:
+ ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
+ break;
+ default:
+ break;
+ }
+
+ if (ctx->tiled_map_type == GDI_TILED_FRAME_MB_RASTER_MAP &&
+ !coda_try_fmt_vdoa(ctx, f, &ctx->use_vdoa) &&
+ ctx->use_vdoa)
+ vdoa_context_configure(ctx->vdoa,
+ round_up(f->fmt.pix.width, 16),
+ f->fmt.pix.height,
+ f->fmt.pix.pixelformat);
+ else
+ ctx->use_vdoa = false;
+
+ coda_dbg(1, ctx, "Setting %s format, wxh: %dx%d, fmt: %4.4s %c\n",
+ v4l2_type_names[f->type], q_data->width, q_data->height,
+ (char *)&q_data->fourcc,
+ (ctx->tiled_map_type == GDI_LINEAR_FRAME_MAP) ? 'L' : 'T');
+
+ return 0;
+}
+
+static int coda_s_fmt_vid_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ struct coda_q_data *q_data_src;
+ const struct coda_codec *codec;
+ struct v4l2_rect r;
+ int ret;
+
+ ret = coda_try_fmt_vid_cap(file, priv, f);
+ if (ret)
+ return ret;
+
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ r.left = 0;
+ r.top = 0;
+ r.width = q_data_src->width;
+ r.height = q_data_src->height;
+
+ ret = coda_s_fmt(ctx, f, &r);
+ if (ret)
+ return ret;
+
+ if (ctx->inst_type != CODA_INST_ENCODER)
+ return 0;
+
+ /* Setting the coded format determines the selected codec */
+ codec = coda_find_codec(ctx->dev, q_data_src->fourcc,
+ f->fmt.pix.pixelformat);
+ if (!codec) {
+ v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
+ return -EINVAL;
+ }
+ ctx->codec = codec;
+
+ ctx->colorspace = f->fmt.pix.colorspace;
+ ctx->xfer_func = f->fmt.pix.xfer_func;
+ ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
+ ctx->quantization = f->fmt.pix.quantization;
+
+ return 0;
+}
+
+static int coda_s_fmt_vid_out(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ const struct coda_codec *codec;
+ struct v4l2_format f_cap;
+ struct vb2_queue *dst_vq;
+ int ret;
+
+ ret = coda_try_fmt_vid_out(file, priv, f);
+ if (ret)
+ return ret;
+
+ ret = coda_s_fmt(ctx, f, NULL);
+ if (ret)
+ return ret;
+
+ ctx->colorspace = f->fmt.pix.colorspace;
+ ctx->xfer_func = f->fmt.pix.xfer_func;
+ ctx->ycbcr_enc = f->fmt.pix.ycbcr_enc;
+ ctx->quantization = f->fmt.pix.quantization;
+
+ if (ctx->inst_type != CODA_INST_DECODER)
+ return 0;
+
+ /* Setting the coded format determines the selected codec */
+ codec = coda_find_codec(ctx->dev, f->fmt.pix.pixelformat,
+ V4L2_PIX_FMT_YUV420);
+ if (!codec) {
+ v4l2_err(&ctx->dev->v4l2_dev, "failed to determine codec\n");
+ return -EINVAL;
+ }
+ ctx->codec = codec;
+
+ dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ if (!dst_vq)
+ return -EINVAL;
+
+ /*
+ * Setting the capture queue format is not possible while the capture
+ * queue is still busy. This is not an error, but the user will have to
+ * make sure themselves that the capture format is set correctly before
+ * starting the output queue again.
+ */
+ if (vb2_is_busy(dst_vq))
+ return 0;
+
+ memset(&f_cap, 0, sizeof(f_cap));
+ f_cap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ coda_g_fmt(file, priv, &f_cap);
+ f_cap.fmt.pix.width = f->fmt.pix.width;
+ f_cap.fmt.pix.height = f->fmt.pix.height;
+
+ return coda_s_fmt_vid_cap(file, priv, &f_cap);
+}
+
+static int coda_reqbufs(struct file *file, void *priv,
+ struct v4l2_requestbuffers *rb)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+
+ ret = v4l2_m2m_reqbufs(file, ctx->fh.m2m_ctx, rb);
+ if (ret)
+ return ret;
+
+ /*
+ * Allow to allocate instance specific per-context buffers, such as
+ * bitstream ringbuffer, slice buffer, work buffer, etc. if needed.
+ */
+ if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && ctx->ops->reqbufs)
+ return ctx->ops->reqbufs(ctx, rb);
+
+ return 0;
+}
+
+static int coda_qbuf(struct file *file, void *priv,
+ struct v4l2_buffer *buf)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+
+ if (ctx->inst_type == CODA_INST_DECODER &&
+ buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ buf->flags &= ~V4L2_BUF_FLAG_LAST;
+
+ return v4l2_m2m_qbuf(file, ctx->fh.m2m_ctx, buf);
+}
+
+static int coda_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
+{
+ struct coda_ctx *ctx = fh_to_ctx(priv);
+ int ret;
+
+ ret = v4l2_m2m_dqbuf(file, ctx->fh.m2m_ctx, buf);
+
+ if (ctx->inst_type == CODA_INST_DECODER &&
+ buf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ buf->flags &= ~V4L2_BUF_FLAG_LAST;
+
+ return ret;
+}
+
+void coda_m2m_buf_done(struct coda_ctx *ctx, struct vb2_v4l2_buffer *buf,
+ enum vb2_buffer_state state)
+{
+ const struct v4l2_event eos_event = {
+ .type = V4L2_EVENT_EOS
+ };
+
+ if (buf->flags & V4L2_BUF_FLAG_LAST)
+ v4l2_event_queue_fh(&ctx->fh, &eos_event);
+
+ v4l2_m2m_buf_done(buf, state);
+}
+
+static int coda_g_selection(struct file *file, void *fh,
+ struct v4l2_selection *s)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct coda_q_data *q_data;
+ struct v4l2_rect r, *rsel;
+
+ q_data = get_q_data(ctx, s->type);
+ if (!q_data)
+ return -EINVAL;
+
+ r.left = 0;
+ r.top = 0;
+ r.width = q_data->width;
+ r.height = q_data->height;
+ rsel = &q_data->rect;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ rsel = &r;
+ /* fallthrough */
+ case V4L2_SEL_TGT_CROP:
+ if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return -EINVAL;
+ break;
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ case V4L2_SEL_TGT_COMPOSE_PADDED:
+ rsel = &r;
+ /* fallthrough */
+ case V4L2_SEL_TGT_COMPOSE:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ s->r = *rsel;
+
+ return 0;
+}
+
+static int coda_s_selection(struct file *file, void *fh,
+ struct v4l2_selection *s)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct coda_q_data *q_data;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP:
+ if (ctx->inst_type == CODA_INST_ENCODER &&
+ s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ q_data = get_q_data(ctx, s->type);
+ if (!q_data)
+ return -EINVAL;
+
+ s->r.left = 0;
+ s->r.top = 0;
+ s->r.width = clamp(s->r.width, 2U, q_data->width);
+ s->r.height = clamp(s->r.height, 2U, q_data->height);
+
+ if (s->flags & V4L2_SEL_FLAG_LE) {
+ s->r.width = round_up(s->r.width, 2);
+ s->r.height = round_up(s->r.height, 2);
+ } else {
+ s->r.width = round_down(s->r.width, 2);
+ s->r.height = round_down(s->r.height, 2);
+ }
+
+ q_data->rect = s->r;
+
+ coda_dbg(1, ctx, "Setting crop rectangle: %dx%d\n",
+ s->r.width, s->r.height);
+
+ return 0;
+ }
+ /* else fall through */
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ case V4L2_SEL_TGT_COMPOSE:
+ return coda_g_selection(file, fh, s);
+ default:
+ /* v4l2-compliance expects this to fail for read-only targets */
+ return -EINVAL;
+ }
+}
+
+static int coda_try_encoder_cmd(struct file *file, void *fh,
+ struct v4l2_encoder_cmd *ec)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+
+ if (ctx->inst_type != CODA_INST_ENCODER)
+ return -ENOTTY;
+
+ return v4l2_m2m_ioctl_try_encoder_cmd(file, fh, ec);
+}
+
+static void coda_wake_up_capture_queue(struct coda_ctx *ctx)
+{
+ struct vb2_queue *dst_vq;
+
+ coda_dbg(1, ctx, "waking up capture queue\n");
+
+ dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ dst_vq->last_buffer_dequeued = true;
+ wake_up(&dst_vq->done_wq);
+}
+
+static int coda_encoder_cmd(struct file *file, void *fh,
+ struct v4l2_encoder_cmd *ec)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct vb2_v4l2_buffer *buf;
+ int ret;
+
+ ret = coda_try_encoder_cmd(file, fh, ec);
+ if (ret < 0)
+ return ret;
+
+ mutex_lock(&ctx->wakeup_mutex);
+ buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
+ if (buf) {
+ /*
+ * If the last output buffer is still on the queue, make sure
+ * that decoder finish_run will see the last flag and report it
+ * to userspace.
+ */
+ buf->flags |= V4L2_BUF_FLAG_LAST;
+ } else {
+ /* Set the stream-end flag on this context */
+ ctx->bit_stream_param |= CODA_BIT_STREAM_END_FLAG;
+
+ /*
+ * If the last output buffer has already been taken from the
+ * queue, wake up the capture queue and signal end of stream
+ * via the -EPIPE mechanism.
+ */
+ coda_wake_up_capture_queue(ctx);
+ }
+ mutex_unlock(&ctx->wakeup_mutex);
+
+ return 0;
+}
+
+static int coda_try_decoder_cmd(struct file *file, void *fh,
+ struct v4l2_decoder_cmd *dc)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+
+ if (ctx->inst_type != CODA_INST_DECODER)
+ return -ENOTTY;
+
+ return v4l2_m2m_ioctl_try_decoder_cmd(file, fh, dc);
+}
+
+static int coda_decoder_cmd(struct file *file, void *fh,
+ struct v4l2_decoder_cmd *dc)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct coda_dev *dev = ctx->dev;
+ struct vb2_v4l2_buffer *buf;
+ struct vb2_queue *dst_vq;
+ bool stream_end;
+ bool wakeup;
+ int ret;
+
+ ret = coda_try_decoder_cmd(file, fh, dc);
+ if (ret < 0)
+ return ret;
+
+ switch (dc->cmd) {
+ case V4L2_DEC_CMD_START:
+ mutex_lock(&dev->coda_mutex);
+ mutex_lock(&ctx->bitstream_mutex);
+ coda_bitstream_flush(ctx);
+ dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ vb2_clear_last_buffer_dequeued(dst_vq);
+ ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
+ coda_fill_bitstream(ctx, NULL);
+ mutex_unlock(&ctx->bitstream_mutex);
+ mutex_unlock(&dev->coda_mutex);
+ break;
+ case V4L2_DEC_CMD_STOP:
+ stream_end = false;
+ wakeup = false;
+
+ buf = v4l2_m2m_last_src_buf(ctx->fh.m2m_ctx);
+ if (buf) {
+ coda_dbg(1, ctx, "marking last pending buffer\n");
+
+ /* Mark last buffer */
+ buf->flags |= V4L2_BUF_FLAG_LAST;
+
+ if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) == 0) {
+ coda_dbg(1, ctx, "all remaining buffers queued\n");
+ stream_end = true;
+ }
+ } else {
+ coda_dbg(1, ctx, "marking last meta\n");
+
+ /* Mark last meta */
+ spin_lock(&ctx->buffer_meta_lock);
+ if (!list_empty(&ctx->buffer_meta_list)) {
+ struct coda_buffer_meta *meta;
+
+ meta = list_last_entry(&ctx->buffer_meta_list,
+ struct coda_buffer_meta,
+ list);
+ meta->last = true;
+ stream_end = true;
+ } else {
+ wakeup = true;
+ }
+ spin_unlock(&ctx->buffer_meta_lock);
+ }
+
+ if (stream_end) {
+ coda_dbg(1, ctx, "all remaining buffers queued\n");
+
+ /* Set the stream-end flag on this context */
+ coda_bit_stream_end_flag(ctx);
+ ctx->hold = false;
+ v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
+ }
+
+ if (wakeup) {
+ /* If there is no buffer in flight, wake up */
+ coda_wake_up_capture_queue(ctx);
+ }
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int coda_enum_framesizes(struct file *file, void *fh,
+ struct v4l2_frmsizeenum *fsize)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct coda_q_data *q_data_dst;
+ const struct coda_codec *codec;
+
+ if (ctx->inst_type != CODA_INST_ENCODER)
+ return -ENOTTY;
+
+ if (fsize->index)
+ return -EINVAL;
+
+ if (coda_format_normalize_yuv(fsize->pixel_format) ==
+ V4L2_PIX_FMT_YUV420) {
+ q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ codec = coda_find_codec(ctx->dev, fsize->pixel_format,
+ q_data_dst->fourcc);
+ } else {
+ codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
+ fsize->pixel_format);
+ }
+ if (!codec)
+ return -EINVAL;
+
+ fsize->type = V4L2_FRMSIZE_TYPE_CONTINUOUS;
+ fsize->stepwise.min_width = MIN_W;
+ fsize->stepwise.max_width = codec->max_w;
+ fsize->stepwise.step_width = 1;
+ fsize->stepwise.min_height = MIN_H;
+ fsize->stepwise.max_height = codec->max_h;
+ fsize->stepwise.step_height = 1;
+
+ return 0;
+}
+
+static int coda_enum_frameintervals(struct file *file, void *fh,
+ struct v4l2_frmivalenum *f)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct coda_q_data *q_data;
+ const struct coda_codec *codec;
+
+ if (f->index)
+ return -EINVAL;
+
+ /* Disallow YUYV if the vdoa is not available */
+ if (!ctx->vdoa && f->pixel_format == V4L2_PIX_FMT_YUYV)
+ return -EINVAL;
+
+ if (coda_format_normalize_yuv(f->pixel_format) == V4L2_PIX_FMT_YUV420) {
+ q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ codec = coda_find_codec(ctx->dev, f->pixel_format,
+ q_data->fourcc);
+ } else {
+ codec = coda_find_codec(ctx->dev, V4L2_PIX_FMT_YUV420,
+ f->pixel_format);
+ }
+ if (!codec)
+ return -EINVAL;
+
+ if (f->width < MIN_W || f->width > codec->max_w ||
+ f->height < MIN_H || f->height > codec->max_h)
+ return -EINVAL;
+
+ f->type = V4L2_FRMIVAL_TYPE_CONTINUOUS;
+ f->stepwise.min.numerator = 1;
+ f->stepwise.min.denominator = 65535;
+ f->stepwise.max.numerator = 65536;
+ f->stepwise.max.denominator = 1;
+ f->stepwise.step.numerator = 1;
+ f->stepwise.step.denominator = 1;
+
+ return 0;
+}
+
+static int coda_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct v4l2_fract *tpf;
+
+ if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return -EINVAL;
+
+ a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
+ tpf = &a->parm.output.timeperframe;
+ tpf->denominator = ctx->params.framerate & CODA_FRATE_RES_MASK;
+ tpf->numerator = 1 + (ctx->params.framerate >>
+ CODA_FRATE_DIV_OFFSET);
+
+ return 0;
+}
+
+/*
+ * Approximate timeperframe v4l2_fract with values that can be written
+ * into the 16-bit CODA_FRATE_DIV and CODA_FRATE_RES fields.
+ */
+static void coda_approximate_timeperframe(struct v4l2_fract *timeperframe)
+{
+ struct v4l2_fract s = *timeperframe;
+ struct v4l2_fract f0;
+ struct v4l2_fract f1 = { 1, 0 };
+ struct v4l2_fract f2 = { 0, 1 };
+ unsigned int i, div, s_denominator;
+
+ /* Lower bound is 1/65535 */
+ if (s.numerator == 0 || s.denominator / s.numerator > 65535) {
+ timeperframe->numerator = 1;
+ timeperframe->denominator = 65535;
+ return;
+ }
+
+ /* Upper bound is 65536/1 */
+ if (s.denominator == 0 || s.numerator / s.denominator > 65536) {
+ timeperframe->numerator = 65536;
+ timeperframe->denominator = 1;
+ return;
+ }
+
+ /* Reduce fraction to lowest terms */
+ div = gcd(s.numerator, s.denominator);
+ if (div > 1) {
+ s.numerator /= div;
+ s.denominator /= div;
+ }
+
+ if (s.numerator <= 65536 && s.denominator < 65536) {
+ *timeperframe = s;
+ return;
+ }
+
+ /* Find successive convergents from continued fraction expansion */
+ while (f2.numerator <= 65536 && f2.denominator < 65536) {
+ f0 = f1;
+ f1 = f2;
+
+ /* Stop when f2 exactly equals timeperframe */
+ if (s.numerator == 0)
+ break;
+
+ i = s.denominator / s.numerator;
+
+ f2.numerator = f0.numerator + i * f1.numerator;
+ f2.denominator = f0.denominator + i * f2.denominator;
+
+ s_denominator = s.numerator;
+ s.numerator = s.denominator % s.numerator;
+ s.denominator = s_denominator;
+ }
+
+ *timeperframe = f1;
+}
+
+static uint32_t coda_timeperframe_to_frate(struct v4l2_fract *timeperframe)
+{
+ return ((timeperframe->numerator - 1) << CODA_FRATE_DIV_OFFSET) |
+ timeperframe->denominator;
+}
+
+static int coda_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+ struct v4l2_fract *tpf;
+
+ if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ return -EINVAL;
+
+ a->parm.output.capability = V4L2_CAP_TIMEPERFRAME;
+ tpf = &a->parm.output.timeperframe;
+ coda_approximate_timeperframe(tpf);
+ ctx->params.framerate = coda_timeperframe_to_frate(tpf);
+ ctx->params.framerate_changed = true;
+
+ return 0;
+}
+
+static int coda_subscribe_event(struct v4l2_fh *fh,
+ const struct v4l2_event_subscription *sub)
+{
+ struct coda_ctx *ctx = fh_to_ctx(fh);
+
+ switch (sub->type) {
+ case V4L2_EVENT_EOS:
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+ case V4L2_EVENT_SOURCE_CHANGE:
+ if (ctx->inst_type == CODA_INST_DECODER)
+ return v4l2_event_subscribe(fh, sub, 0, NULL);
+ else
+ return -EINVAL;
+ default:
+ return v4l2_ctrl_subscribe_event(fh, sub);
+ }
+}
+
+static const struct v4l2_ioctl_ops coda_ioctl_ops = {
+ .vidioc_querycap = coda_querycap,
+
+ .vidioc_enum_fmt_vid_cap = coda_enum_fmt,
+ .vidioc_g_fmt_vid_cap = coda_g_fmt,
+ .vidioc_try_fmt_vid_cap = coda_try_fmt_vid_cap,
+ .vidioc_s_fmt_vid_cap = coda_s_fmt_vid_cap,
+
+ .vidioc_enum_fmt_vid_out = coda_enum_fmt,
+ .vidioc_g_fmt_vid_out = coda_g_fmt,
+ .vidioc_try_fmt_vid_out = coda_try_fmt_vid_out,
+ .vidioc_s_fmt_vid_out = coda_s_fmt_vid_out,
+
+ .vidioc_reqbufs = coda_reqbufs,
+ .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
+
+ .vidioc_qbuf = coda_qbuf,
+ .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
+ .vidioc_dqbuf = coda_dqbuf,
+ .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
+ .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
+
+ .vidioc_streamon = v4l2_m2m_ioctl_streamon,
+ .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
+
+ .vidioc_g_selection = coda_g_selection,
+ .vidioc_s_selection = coda_s_selection,
+
+ .vidioc_try_encoder_cmd = coda_try_encoder_cmd,
+ .vidioc_encoder_cmd = coda_encoder_cmd,
+ .vidioc_try_decoder_cmd = coda_try_decoder_cmd,
+ .vidioc_decoder_cmd = coda_decoder_cmd,
+
+ .vidioc_g_parm = coda_g_parm,
+ .vidioc_s_parm = coda_s_parm,
+
+ .vidioc_enum_framesizes = coda_enum_framesizes,
+ .vidioc_enum_frameintervals = coda_enum_frameintervals,
+
+ .vidioc_subscribe_event = coda_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+};
+
+/*
+ * Mem-to-mem operations.
+ */
+
+static void coda_device_run(void *m2m_priv)
+{
+ struct coda_ctx *ctx = m2m_priv;
+ struct coda_dev *dev = ctx->dev;
+
+ queue_work(dev->workqueue, &ctx->pic_run_work);
+}
+
+static void coda_pic_run_work(struct work_struct *work)
+{
+ struct coda_ctx *ctx = container_of(work, struct coda_ctx, pic_run_work);
+ struct coda_dev *dev = ctx->dev;
+ int ret;
+
+ mutex_lock(&ctx->buffer_mutex);
+ mutex_lock(&dev->coda_mutex);
+
+ ret = ctx->ops->prepare_run(ctx);
+ if (ret < 0 && ctx->inst_type == CODA_INST_DECODER) {
+ mutex_unlock(&dev->coda_mutex);
+ mutex_unlock(&ctx->buffer_mutex);
+ /* job_finish scheduled by prepare_decode */
+ return;
+ }
+
+ if (!wait_for_completion_timeout(&ctx->completion,
+ msecs_to_jiffies(1000))) {
+ dev_err(dev->dev, "CODA PIC_RUN timeout\n");
+
+ ctx->hold = true;
+
+ coda_hw_reset(ctx);
+
+ if (ctx->ops->run_timeout)
+ ctx->ops->run_timeout(ctx);
+ } else if (!ctx->aborting) {
+ ctx->ops->finish_run(ctx);
+ }
+
+ if ((ctx->aborting || (!ctx->streamon_cap && !ctx->streamon_out)) &&
+ ctx->ops->seq_end_work)
+ queue_work(dev->workqueue, &ctx->seq_end_work);
+
+ mutex_unlock(&dev->coda_mutex);
+ mutex_unlock(&ctx->buffer_mutex);
+
+ v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
+}
+
+static int coda_job_ready(void *m2m_priv)
+{
+ struct coda_ctx *ctx = m2m_priv;
+ int src_bufs = v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx);
+
+ /*
+ * For both 'P' and 'key' frame cases 1 picture
+ * and 1 frame are needed. In the decoder case,
+ * the compressed frame can be in the bitstream.
+ */
+ if (!src_bufs && ctx->inst_type != CODA_INST_DECODER) {
+ coda_dbg(1, ctx, "not ready: not enough vid-out buffers.\n");
+ return 0;
+ }
+
+ if (!v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx)) {
+ coda_dbg(1, ctx, "not ready: not enough vid-cap buffers.\n");
+ return 0;
+ }
+
+ if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
+ bool stream_end = ctx->bit_stream_param &
+ CODA_BIT_STREAM_END_FLAG;
+ int num_metas = ctx->num_metas;
+ struct coda_buffer_meta *meta;
+ unsigned int count;
+
+ count = hweight32(ctx->frm_dis_flg);
+ if (ctx->use_vdoa && count >= (ctx->num_internal_frames - 1)) {
+ coda_dbg(1, ctx,
+ "not ready: all internal buffers in use: %d/%d (0x%x)",
+ count, ctx->num_internal_frames,
+ ctx->frm_dis_flg);
+ return 0;
+ }
+
+ if (ctx->hold && !src_bufs) {
+ coda_dbg(1, ctx,
+ "not ready: on hold for more buffers.\n");
+ return 0;
+ }
+
+ if (!stream_end && (num_metas + src_bufs) < 2) {
+ coda_dbg(1, ctx,
+ "not ready: need 2 buffers available (queue:%d + bitstream:%d)\n",
+ num_metas, src_bufs);
+ return 0;
+ }
+
+ meta = list_first_entry(&ctx->buffer_meta_list,
+ struct coda_buffer_meta, list);
+ if (!coda_bitstream_can_fetch_past(ctx, meta->end) &&
+ !stream_end) {
+ coda_dbg(1, ctx,
+ "not ready: not enough bitstream data to read past %u (%u)\n",
+ meta->end, ctx->bitstream_fifo.kfifo.in);
+ return 0;
+ }
+ }
+
+ if (ctx->aborting) {
+ coda_dbg(1, ctx, "not ready: aborting\n");
+ return 0;
+ }
+
+ coda_dbg(2, ctx, "job ready\n");
+
+ return 1;
+}
+
+static void coda_job_abort(void *priv)
+{
+ struct coda_ctx *ctx = priv;
+
+ ctx->aborting = 1;
+
+ coda_dbg(1, ctx, "job abort\n");
+}
+
+static const struct v4l2_m2m_ops coda_m2m_ops = {
+ .device_run = coda_device_run,
+ .job_ready = coda_job_ready,
+ .job_abort = coda_job_abort,
+};
+
+static void set_default_params(struct coda_ctx *ctx)
+{
+ unsigned int max_w, max_h, usize, csize;
+
+ ctx->codec = coda_find_codec(ctx->dev, ctx->cvd->src_formats[0],
+ ctx->cvd->dst_formats[0]);
+ max_w = min(ctx->codec->max_w, 1920U);
+ max_h = min(ctx->codec->max_h, 1088U);
+ usize = max_w * max_h * 3 / 2;
+ csize = coda_estimate_sizeimage(ctx, usize, max_w, max_h);
+
+ ctx->params.codec_mode = ctx->codec->mode;
+ if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_JPEG)
+ ctx->colorspace = V4L2_COLORSPACE_JPEG;
+ else
+ ctx->colorspace = V4L2_COLORSPACE_REC709;
+ ctx->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+ ctx->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ ctx->quantization = V4L2_QUANTIZATION_DEFAULT;
+ ctx->params.framerate = 30;
+
+ /* Default formats for output and input queues */
+ ctx->q_data[V4L2_M2M_SRC].fourcc = ctx->cvd->src_formats[0];
+ ctx->q_data[V4L2_M2M_DST].fourcc = ctx->cvd->dst_formats[0];
+ ctx->q_data[V4L2_M2M_SRC].width = max_w;
+ ctx->q_data[V4L2_M2M_SRC].height = max_h;
+ ctx->q_data[V4L2_M2M_DST].width = max_w;
+ ctx->q_data[V4L2_M2M_DST].height = max_h;
+ if (ctx->codec->src_fourcc == V4L2_PIX_FMT_YUV420) {
+ ctx->q_data[V4L2_M2M_SRC].bytesperline = max_w;
+ ctx->q_data[V4L2_M2M_SRC].sizeimage = usize;
+ ctx->q_data[V4L2_M2M_DST].bytesperline = 0;
+ ctx->q_data[V4L2_M2M_DST].sizeimage = csize;
+ } else {
+ ctx->q_data[V4L2_M2M_SRC].bytesperline = 0;
+ ctx->q_data[V4L2_M2M_SRC].sizeimage = csize;
+ ctx->q_data[V4L2_M2M_DST].bytesperline = max_w;
+ ctx->q_data[V4L2_M2M_DST].sizeimage = usize;
+ }
+ ctx->q_data[V4L2_M2M_SRC].rect.width = max_w;
+ ctx->q_data[V4L2_M2M_SRC].rect.height = max_h;
+ ctx->q_data[V4L2_M2M_DST].rect.width = max_w;
+ ctx->q_data[V4L2_M2M_DST].rect.height = max_h;
+
+ /*
+ * Since the RBC2AXI logic only supports a single chroma plane,
+ * macroblock tiling only works for to NV12 pixel format.
+ */
+ ctx->tiled_map_type = GDI_LINEAR_FRAME_MAP;
+}
+
+/*
+ * Queue operations
+ */
+static int coda_queue_setup(struct vb2_queue *vq,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], struct device *alloc_devs[])
+{
+ struct coda_ctx *ctx = vb2_get_drv_priv(vq);
+ struct coda_q_data *q_data;
+ unsigned int size;
+
+ q_data = get_q_data(ctx, vq->type);
+ size = q_data->sizeimage;
+
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
+
+ *nplanes = 1;
+ sizes[0] = size;
+
+ coda_dbg(1, ctx, "get %d buffer(s) of size %d each.\n", *nbuffers,
+ size);
+
+ return 0;
+}
+
+static int coda_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct coda_q_data *q_data;
+
+ q_data = get_q_data(ctx, vb->vb2_queue->type);
+ if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
+ if (vbuf->field == V4L2_FIELD_ANY)
+ vbuf->field = V4L2_FIELD_NONE;
+ if (vbuf->field != V4L2_FIELD_NONE) {
+ v4l2_warn(&ctx->dev->v4l2_dev,
+ "%s field isn't supported\n", __func__);
+ return -EINVAL;
+ }
+ }
+
+ if (vb2_plane_size(vb, 0) < q_data->sizeimage) {
+ v4l2_warn(&ctx->dev->v4l2_dev,
+ "%s data will not fit into plane (%lu < %lu)\n",
+ __func__, vb2_plane_size(vb, 0),
+ (long)q_data->sizeimage);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void coda_update_menu_ctrl(struct v4l2_ctrl *ctrl, int value)
+{
+ if (!ctrl)
+ return;
+
+ v4l2_ctrl_lock(ctrl);
+
+ /*
+ * Extend the control range if the parsed stream contains a known but
+ * unsupported value or level.
+ */
+ if (value > ctrl->maximum) {
+ __v4l2_ctrl_modify_range(ctrl, ctrl->minimum, value,
+ ctrl->menu_skip_mask & ~(1 << value),
+ ctrl->default_value);
+ } else if (value < ctrl->minimum) {
+ __v4l2_ctrl_modify_range(ctrl, value, ctrl->maximum,
+ ctrl->menu_skip_mask & ~(1 << value),
+ ctrl->default_value);
+ }
+
+ __v4l2_ctrl_s_ctrl(ctrl, value);
+
+ v4l2_ctrl_unlock(ctrl);
+}
+
+void coda_update_profile_level_ctrls(struct coda_ctx *ctx, u8 profile_idc,
+ u8 level_idc)
+{
+ const char * const *profile_names;
+ const char * const *level_names;
+ struct v4l2_ctrl *profile_ctrl;
+ struct v4l2_ctrl *level_ctrl;
+ const char *codec_name;
+ u32 profile_cid;
+ u32 level_cid;
+ int profile;
+ int level;
+
+ switch (ctx->codec->src_fourcc) {
+ case V4L2_PIX_FMT_H264:
+ codec_name = "H264";
+ profile_cid = V4L2_CID_MPEG_VIDEO_H264_PROFILE;
+ level_cid = V4L2_CID_MPEG_VIDEO_H264_LEVEL;
+ profile_ctrl = ctx->h264_profile_ctrl;
+ level_ctrl = ctx->h264_level_ctrl;
+ profile = coda_h264_profile(profile_idc);
+ level = coda_h264_level(level_idc);
+ break;
+ case V4L2_PIX_FMT_MPEG2:
+ codec_name = "MPEG-2";
+ profile_cid = V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE;
+ level_cid = V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL;
+ profile_ctrl = ctx->mpeg2_profile_ctrl;
+ level_ctrl = ctx->mpeg2_level_ctrl;
+ profile = coda_mpeg2_profile(profile_idc);
+ level = coda_mpeg2_level(level_idc);
+ break;
+ case V4L2_PIX_FMT_MPEG4:
+ codec_name = "MPEG-4";
+ profile_cid = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE;
+ level_cid = V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL;
+ profile_ctrl = ctx->mpeg4_profile_ctrl;
+ level_ctrl = ctx->mpeg4_level_ctrl;
+ profile = coda_mpeg4_profile(profile_idc);
+ level = coda_mpeg4_level(level_idc);
+ break;
+ default:
+ return;
+ }
+
+ profile_names = v4l2_ctrl_get_menu(profile_cid);
+ level_names = v4l2_ctrl_get_menu(level_cid);
+
+ if (profile < 0) {
+ v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s profile: %u\n",
+ codec_name, profile_idc);
+ } else {
+ coda_dbg(1, ctx, "Parsed %s profile: %s\n", codec_name,
+ profile_names[profile]);
+ coda_update_menu_ctrl(profile_ctrl, profile);
+ }
+
+ if (level < 0) {
+ v4l2_warn(&ctx->dev->v4l2_dev, "Invalid %s level: %u\n",
+ codec_name, level_idc);
+ } else {
+ coda_dbg(1, ctx, "Parsed %s level: %s\n", codec_name,
+ level_names[level]);
+ coda_update_menu_ctrl(level_ctrl, level);
+ }
+}
+
+static void coda_queue_source_change_event(struct coda_ctx *ctx)
+{
+ static const struct v4l2_event source_change_event = {
+ .type = V4L2_EVENT_SOURCE_CHANGE,
+ .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+ };
+
+ v4l2_event_queue_fh(&ctx->fh, &source_change_event);
+}
+
+static void coda_buf_queue(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct coda_q_data *q_data;
+
+ q_data = get_q_data(ctx, vb->vb2_queue->type);
+
+ /*
+ * In the decoder case, immediately try to copy the buffer into the
+ * bitstream ringbuffer and mark it as ready to be dequeued.
+ */
+ if (ctx->bitstream.size && vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ /*
+ * For backwards compatibility, queuing an empty buffer marks
+ * the stream end
+ */
+ if (vb2_get_plane_payload(vb, 0) == 0)
+ coda_bit_stream_end_flag(ctx);
+
+ if (q_data->fourcc == V4L2_PIX_FMT_H264) {
+ /*
+ * Unless already done, try to obtain profile_idc and
+ * level_idc from the SPS header. This allows to decide
+ * whether to enable reordering during sequence
+ * initialization.
+ */
+ if (!ctx->params.h264_profile_idc) {
+ coda_sps_parse_profile(ctx, vb);
+ coda_update_profile_level_ctrls(ctx,
+ ctx->params.h264_profile_idc,
+ ctx->params.h264_level_idc);
+ }
+ }
+
+ mutex_lock(&ctx->bitstream_mutex);
+ v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
+ if (vb2_is_streaming(vb->vb2_queue))
+ /* This set buf->sequence = ctx->qsequence++ */
+ coda_fill_bitstream(ctx, NULL);
+ mutex_unlock(&ctx->bitstream_mutex);
+
+ if (!ctx->initialized) {
+ /*
+ * Run sequence initialization in case the queued
+ * buffer contained headers.
+ */
+ if (vb2_is_streaming(vb->vb2_queue) &&
+ ctx->ops->seq_init_work) {
+ queue_work(ctx->dev->workqueue,
+ &ctx->seq_init_work);
+ flush_work(&ctx->seq_init_work);
+ }
+
+ if (ctx->initialized)
+ coda_queue_source_change_event(ctx);
+ }
+ } else {
+ if (ctx->inst_type == CODA_INST_ENCODER &&
+ vq->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
+ vbuf->sequence = ctx->qsequence++;
+ v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
+ }
+}
+
+int coda_alloc_aux_buf(struct coda_dev *dev, struct coda_aux_buf *buf,
+ size_t size, const char *name, struct dentry *parent)
+{
+ buf->vaddr = dma_alloc_coherent(dev->dev, size, &buf->paddr,
+ GFP_KERNEL);
+ if (!buf->vaddr) {
+ v4l2_err(&dev->v4l2_dev,
+ "Failed to allocate %s buffer of size %zu\n",
+ name, size);
+ return -ENOMEM;
+ }
+
+ buf->size = size;
+
+ if (name && parent) {
+ buf->blob.data = buf->vaddr;
+ buf->blob.size = size;
+ buf->dentry = debugfs_create_blob(name, 0644, parent,
+ &buf->blob);
+ if (!buf->dentry)
+ dev_warn(dev->dev,
+ "failed to create debugfs entry %s\n", name);
+ }
+
+ return 0;
+}
+
+void coda_free_aux_buf(struct coda_dev *dev,
+ struct coda_aux_buf *buf)
+{
+ if (buf->vaddr) {
+ dma_free_coherent(dev->dev, buf->size, buf->vaddr, buf->paddr);
+ buf->vaddr = NULL;
+ buf->size = 0;
+ debugfs_remove(buf->dentry);
+ buf->dentry = NULL;
+ }
+}
+
+static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
+{
+ struct coda_ctx *ctx = vb2_get_drv_priv(q);
+ struct v4l2_device *v4l2_dev = &ctx->dev->v4l2_dev;
+ struct coda_q_data *q_data_src, *q_data_dst;
+ struct v4l2_m2m_buffer *m2m_buf, *tmp;
+ struct vb2_v4l2_buffer *buf;
+ struct list_head list;
+ int ret = 0;
+
+ if (count < 1)
+ return -EINVAL;
+
+ coda_dbg(1, ctx, "start streaming %s\n", v4l2_type_names[q->type]);
+
+ INIT_LIST_HEAD(&list);
+
+ q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit) {
+ /* copy the buffers that were queued before streamon */
+ mutex_lock(&ctx->bitstream_mutex);
+ coda_fill_bitstream(ctx, &list);
+ mutex_unlock(&ctx->bitstream_mutex);
+
+ if (ctx->dev->devtype->product != CODA_960 &&
+ coda_get_bitstream_payload(ctx) < 512) {
+ v4l2_err(v4l2_dev, "start payload < 512\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (!ctx->initialized) {
+ /* Run sequence initialization */
+ if (ctx->ops->seq_init_work) {
+ queue_work(ctx->dev->workqueue,
+ &ctx->seq_init_work);
+ flush_work(&ctx->seq_init_work);
+ }
+ }
+ }
+
+ ctx->streamon_out = 1;
+ } else {
+ ctx->streamon_cap = 1;
+ }
+
+ /* Don't start the coda unless both queues are on */
+ if (!(ctx->streamon_out && ctx->streamon_cap))
+ goto out;
+
+ q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ if ((q_data_src->rect.width != q_data_dst->width &&
+ round_up(q_data_src->rect.width, 16) != q_data_dst->width) ||
+ (q_data_src->rect.height != q_data_dst->height &&
+ round_up(q_data_src->rect.height, 16) != q_data_dst->height)) {
+ v4l2_err(v4l2_dev, "can't convert %dx%d to %dx%d\n",
+ q_data_src->rect.width, q_data_src->rect.height,
+ q_data_dst->width, q_data_dst->height);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* Allow BIT decoder device_run with no new buffers queued */
+ if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
+ v4l2_m2m_set_src_buffered(ctx->fh.m2m_ctx, true);
+
+ ctx->gopcounter = ctx->params.gop_size - 1;
+
+ if (q_data_dst->fourcc == V4L2_PIX_FMT_JPEG)
+ ctx->params.gop_size = 1;
+ ctx->gopcounter = ctx->params.gop_size - 1;
+
+ ret = ctx->ops->start_streaming(ctx);
+ if (ctx->inst_type == CODA_INST_DECODER) {
+ if (ret == -EAGAIN)
+ goto out;
+ }
+ if (ret < 0)
+ goto err;
+
+out:
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
+ list_del(&m2m_buf->list);
+ v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_DONE);
+ }
+ }
+ return 0;
+
+err:
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ list_for_each_entry_safe(m2m_buf, tmp, &list, list) {
+ list_del(&m2m_buf->list);
+ v4l2_m2m_buf_done(&m2m_buf->vb, VB2_BUF_STATE_QUEUED);
+ }
+ while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
+ } else {
+ while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
+ }
+ return ret;
+}
+
+static void coda_stop_streaming(struct vb2_queue *q)
+{
+ struct coda_ctx *ctx = vb2_get_drv_priv(q);
+ struct coda_dev *dev = ctx->dev;
+ struct vb2_v4l2_buffer *buf;
+ bool stop;
+
+ stop = ctx->streamon_out && ctx->streamon_cap;
+
+ coda_dbg(1, ctx, "stop streaming %s\n", v4l2_type_names[q->type]);
+
+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
+ ctx->streamon_out = 0;
+
+ coda_bit_stream_end_flag(ctx);
+
+ ctx->qsequence = 0;
+
+ while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+ } else {
+ ctx->streamon_cap = 0;
+
+ ctx->osequence = 0;
+ ctx->sequence_offset = 0;
+
+ while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
+ }
+
+ if (stop) {
+ struct coda_buffer_meta *meta;
+
+ if (ctx->ops->seq_end_work) {
+ queue_work(dev->workqueue, &ctx->seq_end_work);
+ flush_work(&ctx->seq_end_work);
+ }
+ spin_lock(&ctx->buffer_meta_lock);
+ while (!list_empty(&ctx->buffer_meta_list)) {
+ meta = list_first_entry(&ctx->buffer_meta_list,
+ struct coda_buffer_meta, list);
+ list_del(&meta->list);
+ kfree(meta);
+ }
+ ctx->num_metas = 0;
+ spin_unlock(&ctx->buffer_meta_lock);
+ kfifo_init(&ctx->bitstream_fifo,
+ ctx->bitstream.vaddr, ctx->bitstream.size);
+ ctx->runcounter = 0;
+ ctx->aborting = 0;
+ ctx->hold = false;
+ }
+
+ if (!ctx->streamon_out && !ctx->streamon_cap)
+ ctx->bit_stream_param &= ~CODA_BIT_STREAM_END_FLAG;
+}
+
+static const struct vb2_ops coda_qops = {
+ .queue_setup = coda_queue_setup,
+ .buf_prepare = coda_buf_prepare,
+ .buf_queue = coda_buf_queue,
+ .start_streaming = coda_start_streaming,
+ .stop_streaming = coda_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int coda_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ const char * const *val_names = v4l2_ctrl_get_menu(ctrl->id);
+ struct coda_ctx *ctx =
+ container_of(ctrl->handler, struct coda_ctx, ctrls);
+
+ if (val_names)
+ coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d (\"%s\")\n",
+ ctrl->id, ctrl->name, ctrl->val, val_names[ctrl->val]);
+ else
+ coda_dbg(2, ctx, "s_ctrl: id = 0x%x, name = \"%s\", val = %d\n",
+ ctrl->id, ctrl->name, ctrl->val);
+
+ switch (ctrl->id) {
+ case V4L2_CID_HFLIP:
+ if (ctrl->val)
+ ctx->params.rot_mode |= CODA_MIR_HOR;
+ else
+ ctx->params.rot_mode &= ~CODA_MIR_HOR;
+ break;
+ case V4L2_CID_VFLIP:
+ if (ctrl->val)
+ ctx->params.rot_mode |= CODA_MIR_VER;
+ else
+ ctx->params.rot_mode &= ~CODA_MIR_VER;
+ break;
+ case V4L2_CID_MPEG_VIDEO_BITRATE:
+ ctx->params.bitrate = ctrl->val / 1000;
+ ctx->params.bitrate_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
+ ctx->params.gop_size = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
+ ctx->params.h264_intra_qp = ctrl->val;
+ ctx->params.h264_intra_qp_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP:
+ ctx->params.h264_inter_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
+ ctx->params.h264_min_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_MAX_QP:
+ ctx->params.h264_max_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA:
+ ctx->params.h264_slice_alpha_c0_offset_div2 = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA:
+ ctx->params.h264_slice_beta_offset_div2 = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
+ ctx->params.h264_disable_deblocking_filter_idc = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION:
+ ctx->params.h264_constrained_intra_pred_flag = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET:
+ ctx->params.h264_chroma_qp_index_offset = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
+ /* TODO: switch between baseline and constrained baseline */
+ if (ctx->inst_type == CODA_INST_ENCODER)
+ ctx->params.h264_profile_idc = 66;
+ break;
+ case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
+ /* nothing to do, this is set by the encoder */
+ break;
+ case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP:
+ ctx->params.mpeg4_intra_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP:
+ ctx->params.mpeg4_inter_qp = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
+ case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
+ case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
+ case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
+ /* nothing to do, these are fixed */
+ break;
+ case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
+ ctx->params.slice_mode = ctrl->val;
+ ctx->params.slice_mode_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
+ ctx->params.slice_max_mb = ctrl->val;
+ ctx->params.slice_mode_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
+ ctx->params.slice_max_bits = ctrl->val * 8;
+ ctx->params.slice_mode_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
+ break;
+ case V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB:
+ ctx->params.intra_refresh = ctrl->val;
+ ctx->params.intra_refresh_changed = true;
+ break;
+ case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
+ ctx->params.force_ipicture = true;
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ coda_set_jpeg_compression_quality(ctx, ctrl->val);
+ break;
+ case V4L2_CID_JPEG_RESTART_INTERVAL:
+ ctx->params.jpeg_restart_interval = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VBV_DELAY:
+ ctx->params.vbv_delay = ctrl->val;
+ break;
+ case V4L2_CID_MPEG_VIDEO_VBV_SIZE:
+ ctx->params.vbv_size = min(ctrl->val * 8192, 0x7fffffff);
+ break;
+ default:
+ coda_dbg(1, ctx, "Invalid control, id=%d, val=%d\n",
+ ctrl->id, ctrl->val);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops coda_ctrl_ops = {
+ .s_ctrl = coda_s_ctrl,
+};
+
+static void coda_encode_ctrls(struct coda_ctx *ctx)
+{
+ int max_gop_size = (ctx->dev->devtype->product == CODA_DX6) ? 60 : 99;
+
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_BITRATE, 0, 32767000, 1000, 0);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_GOP_SIZE, 0, max_gop_size, 1, 16);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 0, 51, 1, 25);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 0, 51, 1, 25);
+ if (ctx->dev->devtype->product != CODA_960) {
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 51, 1, 12);
+ }
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_MAX_QP, 0, 51, 1, 51);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA, -6, 6, 1, 0);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA, -6, 6, 1, 0);
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
+ V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY,
+ 0x0, V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION, 0, 1, 1,
+ 0);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET, -12, 12, 1, 0);
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+ V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE, 0x0,
+ V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE);
+ if (ctx->dev->devtype->product == CODA_HX4 ||
+ ctx->dev->devtype->product == CODA_7541) {
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+ V4L2_MPEG_VIDEO_H264_LEVEL_3_1,
+ ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1)),
+ V4L2_MPEG_VIDEO_H264_LEVEL_3_1);
+ }
+ if (ctx->dev->devtype->product == CODA_960) {
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+ V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
+ ~((1 << V4L2_MPEG_VIDEO_H264_LEVEL_1_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_2_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_1) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_3_2) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_0) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_1) |
+ (1 << V4L2_MPEG_VIDEO_H264_LEVEL_4_2)),
+ V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
+ }
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP, 1, 31, 1, 2);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP, 1, 31, 1, 2);
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
+ V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, 0x0,
+ V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE);
+ if (ctx->dev->devtype->product == CODA_HX4 ||
+ ctx->dev->devtype->product == CODA_7541 ||
+ ctx->dev->devtype->product == CODA_960) {
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
+ V4L2_MPEG_VIDEO_MPEG4_LEVEL_5,
+ ~(1 << V4L2_MPEG_VIDEO_MPEG4_LEVEL_5),
+ V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
+ }
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE,
+ V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES, 0x0,
+ V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB, 1, 0x3fffffff, 1, 1);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES, 1, 0x3fffffff, 1,
+ 500);
+ v4l2_ctrl_new_std_menu(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_HEADER_MODE,
+ V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME,
+ (1 << V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE),
+ V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB, 0,
+ 1920 * 1088 / 256, 1, 0);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_VBV_DELAY, 0, 0x7fff, 1, 0);
+ /*
+ * The maximum VBV size value is 0x7fffffff bits,
+ * one bit less than 262144 KiB
+ */
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MPEG_VIDEO_VBV_SIZE, 0, 262144, 1, 0);
+}
+
+static void coda_jpeg_encode_ctrls(struct coda_ctx *ctx)
+{
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY, 5, 100, 1, 50);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_JPEG_RESTART_INTERVAL, 0, 100, 1, 0);
+}
+
+static void coda_decode_ctrls(struct coda_ctx *ctx)
+{
+ u8 max;
+
+ ctx->h264_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+ V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
+ ~((1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) |
+ (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) |
+ (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)),
+ V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
+ if (ctx->h264_profile_ctrl)
+ ctx->h264_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ if (ctx->dev->devtype->product == CODA_HX4 ||
+ ctx->dev->devtype->product == CODA_7541)
+ max = V4L2_MPEG_VIDEO_H264_LEVEL_4_0;
+ else if (ctx->dev->devtype->product == CODA_960)
+ max = V4L2_MPEG_VIDEO_H264_LEVEL_4_1;
+ else
+ return;
+ ctx->h264_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, max, 0, max);
+ if (ctx->h264_level_ctrl)
+ ctx->h264_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ ctx->mpeg2_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE,
+ V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH, 0,
+ V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH);
+ if (ctx->mpeg2_profile_ctrl)
+ ctx->mpeg2_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ ctx->mpeg2_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL,
+ V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH, 0,
+ V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH);
+ if (ctx->mpeg2_level_ctrl)
+ ctx->mpeg2_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ ctx->mpeg4_profile_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
+ V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, 0,
+ V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY);
+ if (ctx->mpeg4_profile_ctrl)
+ ctx->mpeg4_profile_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ ctx->mpeg4_level_ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrls,
+ &coda_ctrl_ops, V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
+ V4L2_MPEG_VIDEO_MPEG4_LEVEL_5, 0,
+ V4L2_MPEG_VIDEO_MPEG4_LEVEL_5);
+ if (ctx->mpeg4_level_ctrl)
+ ctx->mpeg4_level_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+}
+
+static int coda_ctrls_setup(struct coda_ctx *ctx)
+{
+ v4l2_ctrl_handler_init(&ctx->ctrls, 2);
+
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ if (ctx->inst_type == CODA_INST_ENCODER) {
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
+ 1, 1, 1, 1);
+ if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
+ coda_jpeg_encode_ctrls(ctx);
+ else
+ coda_encode_ctrls(ctx);
+ } else {
+ v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+ V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
+ 1, 1, 1, 1);
+ if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
+ coda_decode_ctrls(ctx);
+ }
+
+ if (ctx->ctrls.error) {
+ v4l2_err(&ctx->dev->v4l2_dev,
+ "control initialization error (%d)",
+ ctx->ctrls.error);
+ return -EINVAL;
+ }
+
+ return v4l2_ctrl_handler_setup(&ctx->ctrls);
+}
+
+static int coda_queue_init(struct coda_ctx *ctx, struct vb2_queue *vq)
+{
+ vq->drv_priv = ctx;
+ vq->ops = &coda_qops;
+ vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+ vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+ vq->lock = &ctx->dev->dev_mutex;
+ /* One way to indicate end-of-stream for coda is to set the
+ * bytesused == 0. However by default videobuf2 handles bytesused
+ * equal to 0 as a special case and changes its value to the size
+ * of the buffer. Set the allow_zero_bytesused flag, so
+ * that videobuf2 will keep the value of bytesused intact.
+ */
+ vq->allow_zero_bytesused = 1;
+ /*
+ * We might be fine with no buffers on some of the queues, but that
+ * would need to be reflected in job_ready(). Currently we expect all
+ * queues to have at least one buffer queued.
+ */
+ vq->min_buffers_needed = 1;
+ vq->dev = ctx->dev->dev;
+
+ return vb2_queue_init(vq);
+}
+
+int coda_encoder_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ src_vq->io_modes = VB2_DMABUF | VB2_MMAP;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+
+ ret = coda_queue_init(priv, src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+
+ return coda_queue_init(priv, dst_vq);
+}
+
+int coda_decoder_queue_init(void *priv, struct vb2_queue *src_vq,
+ struct vb2_queue *dst_vq)
+{
+ int ret;
+
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ src_vq->io_modes = VB2_DMABUF | VB2_MMAP | VB2_USERPTR;
+ src_vq->mem_ops = &vb2_vmalloc_memops;
+
+ ret = coda_queue_init(priv, src_vq);
+ if (ret)
+ return ret;
+
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ dst_vq->io_modes = VB2_DMABUF | VB2_MMAP;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+
+ return coda_queue_init(priv, dst_vq);
+}
+
+/*
+ * File operations
+ */
+
+static int coda_open(struct file *file)
+{
+ struct video_device *vdev = video_devdata(file);
+ struct coda_dev *dev = video_get_drvdata(vdev);
+ struct coda_ctx *ctx;
+ unsigned int max = ~0;
+ char *name;
+ int ret;
+ int idx;
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ if (dev->devtype->product == CODA_DX6)
+ max = CODADX6_MAX_INSTANCES - 1;
+ idx = ida_alloc_max(&dev->ida, max, GFP_KERNEL);
+ if (idx < 0) {
+ ret = idx;
+ goto err_coda_max;
+ }
+
+ name = kasprintf(GFP_KERNEL, "context%d", idx);
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_coda_name_init;
+ }
+
+ ctx->debugfs_entry = debugfs_create_dir(name, dev->debugfs_root);
+ kfree(name);
+
+ ctx->cvd = to_coda_video_device(vdev);
+ ctx->inst_type = ctx->cvd->type;
+ ctx->ops = ctx->cvd->ops;
+ ctx->use_bit = !ctx->cvd->direct;
+ init_completion(&ctx->completion);
+ INIT_WORK(&ctx->pic_run_work, coda_pic_run_work);
+ if (ctx->ops->seq_init_work)
+ INIT_WORK(&ctx->seq_init_work, ctx->ops->seq_init_work);
+ if (ctx->ops->seq_end_work)
+ INIT_WORK(&ctx->seq_end_work, ctx->ops->seq_end_work);
+ v4l2_fh_init(&ctx->fh, video_devdata(file));
+ file->private_data = &ctx->fh;
+ v4l2_fh_add(&ctx->fh);
+ ctx->dev = dev;
+ ctx->idx = idx;
+
+ coda_dbg(1, ctx, "open instance (%p)\n", ctx);
+
+ switch (dev->devtype->product) {
+ case CODA_960:
+ /*
+ * Enabling the BWB when decoding can hang the firmware with
+ * certain streams. The issue was tracked as ENGR00293425 by
+ * Freescale. As a workaround, disable BWB for all decoders.
+ * The enable_bwb module parameter allows to override this.
+ */
+ if (enable_bwb || ctx->inst_type == CODA_INST_ENCODER)
+ ctx->frame_mem_ctrl = CODA9_FRAME_ENABLE_BWB;
+ /* fallthrough */
+ case CODA_HX4:
+ case CODA_7541:
+ ctx->reg_idx = 0;
+ break;
+ default:
+ ctx->reg_idx = idx;
+ }
+ if (ctx->dev->vdoa && !disable_vdoa) {
+ ctx->vdoa = vdoa_context_create(dev->vdoa);
+ if (!ctx->vdoa)
+ v4l2_warn(&dev->v4l2_dev,
+ "Failed to create vdoa context: not using vdoa");
+ }
+ ctx->use_vdoa = false;
+
+ /* Power up and upload firmware if necessary */
+ ret = pm_runtime_get_sync(dev->dev);
+ if (ret < 0) {
+ v4l2_err(&dev->v4l2_dev, "failed to power up: %d\n", ret);
+ goto err_pm_get;
+ }
+
+ ret = clk_prepare_enable(dev->clk_per);
+ if (ret)
+ goto err_clk_per;
+
+ ret = clk_prepare_enable(dev->clk_ahb);
+ if (ret)
+ goto err_clk_ahb;
+
+ set_default_params(ctx);
+ ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx,
+ ctx->ops->queue_init);
+ if (IS_ERR(ctx->fh.m2m_ctx)) {
+ ret = PTR_ERR(ctx->fh.m2m_ctx);
+
+ v4l2_err(&dev->v4l2_dev, "%s return error (%d)\n",
+ __func__, ret);
+ goto err_ctx_init;
+ }
+
+ ret = coda_ctrls_setup(ctx);
+ if (ret) {
+ v4l2_err(&dev->v4l2_dev, "failed to setup coda controls\n");
+ goto err_ctrls_setup;
+ }
+
+ ctx->fh.ctrl_handler = &ctx->ctrls;
+
+ mutex_init(&ctx->bitstream_mutex);
+ mutex_init(&ctx->buffer_mutex);
+ mutex_init(&ctx->wakeup_mutex);
+ INIT_LIST_HEAD(&ctx->buffer_meta_list);
+ spin_lock_init(&ctx->buffer_meta_lock);
+
+ return 0;
+
+err_ctrls_setup:
+ v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
+err_ctx_init:
+ clk_disable_unprepare(dev->clk_ahb);
+err_clk_ahb:
+ clk_disable_unprepare(dev->clk_per);
+err_clk_per:
+ pm_runtime_put_sync(dev->dev);
+err_pm_get:
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+err_coda_name_init:
+ ida_free(&dev->ida, ctx->idx);
+err_coda_max:
+ kfree(ctx);
+ return ret;
+}
+
+static int coda_release(struct file *file)
+{
+ struct coda_dev *dev = video_drvdata(file);
+ struct coda_ctx *ctx = fh_to_ctx(file->private_data);
+
+ coda_dbg(1, ctx, "release instance (%p)\n", ctx);
+
+ if (ctx->inst_type == CODA_INST_DECODER && ctx->use_bit)
+ coda_bit_stream_end_flag(ctx);
+
+ /* If this instance is running, call .job_abort and wait for it to end */
+ v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
+
+ if (ctx->vdoa)
+ vdoa_context_destroy(ctx->vdoa);
+
+ /* In case the instance was not running, we still need to call SEQ_END */
+ if (ctx->ops->seq_end_work) {
+ queue_work(dev->workqueue, &ctx->seq_end_work);
+ flush_work(&ctx->seq_end_work);
+ }
+
+ if (ctx->dev->devtype->product == CODA_DX6)
+ coda_free_aux_buf(dev, &ctx->workbuf);
+
+ v4l2_ctrl_handler_free(&ctx->ctrls);
+ clk_disable_unprepare(dev->clk_ahb);
+ clk_disable_unprepare(dev->clk_per);
+ pm_runtime_put_sync(dev->dev);
+ v4l2_fh_del(&ctx->fh);
+ v4l2_fh_exit(&ctx->fh);
+ ida_free(&dev->ida, ctx->idx);
+ if (ctx->ops->release)
+ ctx->ops->release(ctx);
+ debugfs_remove_recursive(ctx->debugfs_entry);
+ kfree(ctx);
+
+ return 0;
+}
+
+static const struct v4l2_file_operations coda_fops = {
+ .owner = THIS_MODULE,
+ .open = coda_open,
+ .release = coda_release,
+ .poll = v4l2_m2m_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = v4l2_m2m_fop_mmap,
+};
+
+static int coda_hw_init(struct coda_dev *dev)
+{
+ u32 data;
+ u16 *p;
+ int i, ret;
+
+ ret = clk_prepare_enable(dev->clk_per);
+ if (ret)
+ goto err_clk_per;
+
+ ret = clk_prepare_enable(dev->clk_ahb);
+ if (ret)
+ goto err_clk_ahb;
+
+ reset_control_reset(dev->rstc);
+
+ /*
+ * Copy the first CODA_ISRAM_SIZE in the internal SRAM.
+ * The 16-bit chars in the code buffer are in memory access
+ * order, re-sort them to CODA order for register download.
+ * Data in this SRAM survives a reboot.
+ */
+ p = (u16 *)dev->codebuf.vaddr;
+ if (dev->devtype->product == CODA_DX6) {
+ for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
+ data = CODA_DOWN_ADDRESS_SET(i) |
+ CODA_DOWN_DATA_SET(p[i ^ 1]);
+ coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
+ }
+ } else {
+ for (i = 0; i < (CODA_ISRAM_SIZE / 2); i++) {
+ data = CODA_DOWN_ADDRESS_SET(i) |
+ CODA_DOWN_DATA_SET(p[round_down(i, 4) +
+ 3 - (i % 4)]);
+ coda_write(dev, data, CODA_REG_BIT_CODE_DOWN);
+ }
+ }
+
+ /* Clear registers */
+ for (i = 0; i < 64; i++)
+ coda_write(dev, 0, CODA_REG_BIT_CODE_BUF_ADDR + i * 4);
+
+ /* Tell the BIT where to find everything it needs */
+ if (dev->devtype->product == CODA_960 ||
+ dev->devtype->product == CODA_7541 ||
+ dev->devtype->product == CODA_HX4) {
+ coda_write(dev, dev->tempbuf.paddr,
+ CODA_REG_BIT_TEMP_BUF_ADDR);
+ coda_write(dev, 0, CODA_REG_BIT_BIT_STREAM_PARAM);
+ } else {
+ coda_write(dev, dev->workbuf.paddr,
+ CODA_REG_BIT_WORK_BUF_ADDR);
+ }
+ coda_write(dev, dev->codebuf.paddr,
+ CODA_REG_BIT_CODE_BUF_ADDR);
+ coda_write(dev, 0, CODA_REG_BIT_CODE_RUN);
+
+ /* Set default values */
+ switch (dev->devtype->product) {
+ case CODA_DX6:
+ coda_write(dev, CODADX6_STREAM_BUF_PIC_FLUSH,
+ CODA_REG_BIT_STREAM_CTRL);
+ break;
+ default:
+ coda_write(dev, CODA7_STREAM_BUF_PIC_FLUSH,
+ CODA_REG_BIT_STREAM_CTRL);
+ }
+ if (dev->devtype->product == CODA_960)
+ coda_write(dev, CODA9_FRAME_ENABLE_BWB,
+ CODA_REG_BIT_FRAME_MEM_CTRL);
+ else
+ coda_write(dev, 0, CODA_REG_BIT_FRAME_MEM_CTRL);
+
+ if (dev->devtype->product != CODA_DX6)
+ coda_write(dev, 0, CODA7_REG_BIT_AXI_SRAM_USE);
+
+ coda_write(dev, CODA_INT_INTERRUPT_ENABLE,
+ CODA_REG_BIT_INT_ENABLE);
+
+ /* Reset VPU and start processor */
+ data = coda_read(dev, CODA_REG_BIT_CODE_RESET);
+ data |= CODA_REG_RESET_ENABLE;
+ coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
+ udelay(10);
+ data &= ~CODA_REG_RESET_ENABLE;
+ coda_write(dev, data, CODA_REG_BIT_CODE_RESET);
+ coda_write(dev, CODA_REG_RUN_ENABLE, CODA_REG_BIT_CODE_RUN);
+
+ clk_disable_unprepare(dev->clk_ahb);
+ clk_disable_unprepare(dev->clk_per);
+
+ return 0;
+
+err_clk_ahb:
+ clk_disable_unprepare(dev->clk_per);
+err_clk_per:
+ return ret;
+}
+
+static int coda_register_device(struct coda_dev *dev, int i)
+{
+ struct video_device *vfd = &dev->vfd[i];
+ enum coda_inst_type type;
+ int ret;
+
+ if (i >= dev->devtype->num_vdevs)
+ return -EINVAL;
+ type = dev->devtype->vdevs[i]->type;
+
+ strscpy(vfd->name, dev->devtype->vdevs[i]->name, sizeof(vfd->name));
+ vfd->fops = &coda_fops;
+ vfd->ioctl_ops = &coda_ioctl_ops;
+ vfd->release = video_device_release_empty,
+ vfd->lock = &dev->dev_mutex;
+ vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->vfl_dir = VFL_DIR_M2M;
+ vfd->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING;
+ video_set_drvdata(vfd, dev);
+
+ /* Not applicable, use the selection API instead */
+ v4l2_disable_ioctl(vfd, VIDIOC_CROPCAP);
+ v4l2_disable_ioctl(vfd, VIDIOC_G_CROP);
+ v4l2_disable_ioctl(vfd, VIDIOC_S_CROP);
+
+ ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
+ if (!ret)
+ v4l2_info(&dev->v4l2_dev, "%s registered as %s\n",
+ type == CODA_INST_ENCODER ? "encoder" : "decoder",
+ video_device_node_name(vfd));
+ return ret;
+}
+
+static void coda_copy_firmware(struct coda_dev *dev, const u8 * const buf,
+ size_t size)
+{
+ u32 *src = (u32 *)buf;
+
+ /* Check if the firmware has a 16-byte Freescale header, skip it */
+ if (buf[0] == 'M' && buf[1] == 'X')
+ src += 4;
+ /*
+ * Check whether the firmware is in native order or pre-reordered for
+ * memory access. The first instruction opcode always is 0xe40e.
+ */
+ if (__le16_to_cpup((__le16 *)src) == 0xe40e) {
+ u32 *dst = dev->codebuf.vaddr;
+ int i;
+
+ /* Firmware in native order, reorder while copying */
+ if (dev->devtype->product == CODA_DX6) {
+ for (i = 0; i < (size - 16) / 4; i++)
+ dst[i] = (src[i] << 16) | (src[i] >> 16);
+ } else {
+ for (i = 0; i < (size - 16) / 4; i += 2) {
+ dst[i] = (src[i + 1] << 16) | (src[i + 1] >> 16);
+ dst[i + 1] = (src[i] << 16) | (src[i] >> 16);
+ }
+ }
+ } else {
+ /* Copy the already reordered firmware image */
+ memcpy(dev->codebuf.vaddr, src, size);
+ }
+}
+
+static void coda_fw_callback(const struct firmware *fw, void *context);
+
+static int coda_firmware_request(struct coda_dev *dev)
+{
+ char *fw;
+
+ if (dev->firmware >= ARRAY_SIZE(dev->devtype->firmware))
+ return -EINVAL;
+
+ fw = dev->devtype->firmware[dev->firmware];
+
+ dev_dbg(dev->dev, "requesting firmware '%s' for %s\n", fw,
+ coda_product_name(dev->devtype->product));
+
+ return request_firmware_nowait(THIS_MODULE, true, fw, dev->dev,
+ GFP_KERNEL, dev, coda_fw_callback);
+}
+
+static void coda_fw_callback(const struct firmware *fw, void *context)
+{
+ struct coda_dev *dev = context;
+ int i, ret;
+
+ if (!fw) {
+ dev->firmware++;
+ ret = coda_firmware_request(dev);
+ if (ret < 0) {
+ v4l2_err(&dev->v4l2_dev, "firmware request failed\n");
+ goto put_pm;
+ }
+ return;
+ }
+ if (dev->firmware > 0) {
+ /*
+ * Since we can't suppress warnings for failed asynchronous
+ * firmware requests, report that the fallback firmware was
+ * found.
+ */
+ dev_info(dev->dev, "Using fallback firmware %s\n",
+ dev->devtype->firmware[dev->firmware]);
+ }
+
+ /* allocate auxiliary per-device code buffer for the BIT processor */
+ ret = coda_alloc_aux_buf(dev, &dev->codebuf, fw->size, "codebuf",
+ dev->debugfs_root);
+ if (ret < 0)
+ goto put_pm;
+
+ coda_copy_firmware(dev, fw->data, fw->size);
+ release_firmware(fw);
+
+ ret = coda_hw_init(dev);
+ if (ret < 0) {
+ v4l2_err(&dev->v4l2_dev, "HW initialization failed\n");
+ goto put_pm;
+ }
+
+ ret = coda_check_firmware(dev);
+ if (ret < 0)
+ goto put_pm;
+
+ dev->m2m_dev = v4l2_m2m_init(&coda_m2m_ops);
+ if (IS_ERR(dev->m2m_dev)) {
+ v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n");
+ goto put_pm;
+ }
+
+ for (i = 0; i < dev->devtype->num_vdevs; i++) {
+ ret = coda_register_device(dev, i);
+ if (ret) {
+ v4l2_err(&dev->v4l2_dev,
+ "Failed to register %s video device: %d\n",
+ dev->devtype->vdevs[i]->name, ret);
+ goto rel_vfd;
+ }
+ }
+
+ pm_runtime_put_sync(dev->dev);
+ return;
+
+rel_vfd:
+ while (--i >= 0)
+ video_unregister_device(&dev->vfd[i]);
+ v4l2_m2m_release(dev->m2m_dev);
+put_pm:
+ pm_runtime_put_sync(dev->dev);
+}
+
+enum coda_platform {
+ CODA_IMX27,
+ CODA_IMX51,
+ CODA_IMX53,
+ CODA_IMX6Q,
+ CODA_IMX6DL,
+};
+
+static const struct coda_devtype coda_devdata[] = {
+ [CODA_IMX27] = {
+ .firmware = {
+ "vpu_fw_imx27_TO2.bin",
+ "vpu/vpu_fw_imx27_TO2.bin",
+ "v4l-codadx6-imx27.bin"
+ },
+ .product = CODA_DX6,
+ .codecs = codadx6_codecs,
+ .num_codecs = ARRAY_SIZE(codadx6_codecs),
+ .vdevs = codadx6_video_devices,
+ .num_vdevs = ARRAY_SIZE(codadx6_video_devices),
+ .workbuf_size = 288 * 1024 + FMO_SLICE_SAVE_BUF_SIZE * 8 * 1024,
+ .iram_size = 0xb000,
+ },
+ [CODA_IMX51] = {
+ .firmware = {
+ "vpu_fw_imx51.bin",
+ "vpu/vpu_fw_imx51.bin",
+ "v4l-codahx4-imx51.bin"
+ },
+ .product = CODA_HX4,
+ .codecs = codahx4_codecs,
+ .num_codecs = ARRAY_SIZE(codahx4_codecs),
+ .vdevs = codahx4_video_devices,
+ .num_vdevs = ARRAY_SIZE(codahx4_video_devices),
+ .workbuf_size = 128 * 1024,
+ .tempbuf_size = 304 * 1024,
+ .iram_size = 0x14000,
+ },
+ [CODA_IMX53] = {
+ .firmware = {
+ "vpu_fw_imx53.bin",
+ "vpu/vpu_fw_imx53.bin",
+ "v4l-coda7541-imx53.bin"
+ },
+ .product = CODA_7541,
+ .codecs = coda7_codecs,
+ .num_codecs = ARRAY_SIZE(coda7_codecs),
+ .vdevs = coda7_video_devices,
+ .num_vdevs = ARRAY_SIZE(coda7_video_devices),
+ .workbuf_size = 128 * 1024,
+ .tempbuf_size = 304 * 1024,
+ .iram_size = 0x14000,
+ },
+ [CODA_IMX6Q] = {
+ .firmware = {
+ "vpu_fw_imx6q.bin",
+ "vpu/vpu_fw_imx6q.bin",
+ "v4l-coda960-imx6q.bin"
+ },
+ .product = CODA_960,
+ .codecs = coda9_codecs,
+ .num_codecs = ARRAY_SIZE(coda9_codecs),
+ .vdevs = coda9_video_devices,
+ .num_vdevs = ARRAY_SIZE(coda9_video_devices),
+ .workbuf_size = 80 * 1024,
+ .tempbuf_size = 204 * 1024,
+ .iram_size = 0x21000,
+ },
+ [CODA_IMX6DL] = {
+ .firmware = {
+ "vpu_fw_imx6d.bin",
+ "vpu/vpu_fw_imx6d.bin",
+ "v4l-coda960-imx6dl.bin"
+ },
+ .product = CODA_960,
+ .codecs = coda9_codecs,
+ .num_codecs = ARRAY_SIZE(coda9_codecs),
+ .vdevs = coda9_video_devices,
+ .num_vdevs = ARRAY_SIZE(coda9_video_devices),
+ .workbuf_size = 80 * 1024,
+ .tempbuf_size = 204 * 1024,
+ .iram_size = 0x1f000, /* leave 4k for suspend code */
+ },
+};
+
+static const struct platform_device_id coda_platform_ids[] = {
+ { .name = "coda-imx27", .driver_data = CODA_IMX27 },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, coda_platform_ids);
+
+#ifdef CONFIG_OF
+static const struct of_device_id coda_dt_ids[] = {
+ { .compatible = "fsl,imx27-vpu", .data = &coda_devdata[CODA_IMX27] },
+ { .compatible = "fsl,imx51-vpu", .data = &coda_devdata[CODA_IMX51] },
+ { .compatible = "fsl,imx53-vpu", .data = &coda_devdata[CODA_IMX53] },
+ { .compatible = "fsl,imx6q-vpu", .data = &coda_devdata[CODA_IMX6Q] },
+ { .compatible = "fsl,imx6dl-vpu", .data = &coda_devdata[CODA_IMX6DL] },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, coda_dt_ids);
+#endif
+
+static int coda_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *of_id =
+ of_match_device(of_match_ptr(coda_dt_ids), &pdev->dev);
+ const struct platform_device_id *pdev_id;
+ struct coda_platform_data *pdata = pdev->dev.platform_data;
+ struct device_node *np = pdev->dev.of_node;
+ struct gen_pool *pool;
+ struct coda_dev *dev;
+ int ret, irq;
+
+ dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+
+ pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
+
+ if (of_id)
+ dev->devtype = of_id->data;
+ else if (pdev_id)
+ dev->devtype = &coda_devdata[pdev_id->driver_data];
+ else
+ return -EINVAL;
+
+ spin_lock_init(&dev->irqlock);
+
+ dev->dev = &pdev->dev;
+ dev->clk_per = devm_clk_get(&pdev->dev, "per");
+ if (IS_ERR(dev->clk_per)) {
+ dev_err(&pdev->dev, "Could not get per clock\n");
+ return PTR_ERR(dev->clk_per);
+ }
+
+ dev->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
+ if (IS_ERR(dev->clk_ahb)) {
+ dev_err(&pdev->dev, "Could not get ahb clock\n");
+ return PTR_ERR(dev->clk_ahb);
+ }
+
+ /* Get memory for physical registers */
+ dev->regs_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(dev->regs_base))
+ return PTR_ERR(dev->regs_base);
+
+ /* IRQ */
+ irq = platform_get_irq_byname(pdev, "bit");
+ if (irq < 0)
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "failed to get irq resource\n");
+ return irq;
+ }
+
+ ret = devm_request_irq(&pdev->dev, irq, coda_irq_handler, 0,
+ dev_name(&pdev->dev), dev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
+ return ret;
+ }
+
+ dev->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev,
+ NULL);
+ if (IS_ERR(dev->rstc)) {
+ ret = PTR_ERR(dev->rstc);
+ dev_err(&pdev->dev, "failed get reset control: %d\n", ret);
+ return ret;
+ }
+
+ /* Get IRAM pool from device tree or platform data */
+ pool = of_gen_pool_get(np, "iram", 0);
+ if (!pool && pdata)
+ pool = gen_pool_get(pdata->iram_dev, NULL);
+ if (!pool) {
+ dev_err(&pdev->dev, "iram pool not available\n");
+ return -ENOMEM;
+ }
+ dev->iram_pool = pool;
+
+ /* Get vdoa_data if supported by the platform */
+ dev->vdoa = coda_get_vdoa_data();
+ if (PTR_ERR(dev->vdoa) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
+ if (ret)
+ return ret;
+
+ mutex_init(&dev->dev_mutex);
+ mutex_init(&dev->coda_mutex);
+ ida_init(&dev->ida);
+
+ dev->debugfs_root = debugfs_create_dir("coda", NULL);
+ if (!dev->debugfs_root)
+ dev_warn(&pdev->dev, "failed to create debugfs root\n");
+
+ /* allocate auxiliary per-device buffers for the BIT processor */
+ if (dev->devtype->product == CODA_DX6) {
+ ret = coda_alloc_aux_buf(dev, &dev->workbuf,
+ dev->devtype->workbuf_size, "workbuf",
+ dev->debugfs_root);
+ if (ret < 0)
+ goto err_v4l2_register;
+ }
+
+ if (dev->devtype->tempbuf_size) {
+ ret = coda_alloc_aux_buf(dev, &dev->tempbuf,
+ dev->devtype->tempbuf_size, "tempbuf",
+ dev->debugfs_root);
+ if (ret < 0)
+ goto err_v4l2_register;
+ }
+
+ dev->iram.size = dev->devtype->iram_size;
+ dev->iram.vaddr = gen_pool_dma_alloc(dev->iram_pool, dev->iram.size,
+ &dev->iram.paddr);
+ if (!dev->iram.vaddr) {
+ dev_warn(&pdev->dev, "unable to alloc iram\n");
+ } else {
+ memset(dev->iram.vaddr, 0, dev->iram.size);
+ dev->iram.blob.data = dev->iram.vaddr;
+ dev->iram.blob.size = dev->iram.size;
+ dev->iram.dentry = debugfs_create_blob("iram", 0644,
+ dev->debugfs_root,
+ &dev->iram.blob);
+ }
+
+ dev->workqueue = alloc_workqueue("coda", WQ_UNBOUND | WQ_MEM_RECLAIM, 1);
+ if (!dev->workqueue) {
+ dev_err(&pdev->dev, "unable to alloc workqueue\n");
+ ret = -ENOMEM;
+ goto err_v4l2_register;
+ }
+
+ platform_set_drvdata(pdev, dev);
+
+ /*
+ * Start activated so we can directly call coda_hw_init in
+ * coda_fw_callback regardless of whether CONFIG_PM is
+ * enabled or whether the device is associated with a PM domain.
+ */
+ pm_runtime_get_noresume(&pdev->dev);
+ pm_runtime_set_active(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ ret = coda_firmware_request(dev);
+ if (ret)
+ goto err_alloc_workqueue;
+ return 0;
+
+err_alloc_workqueue:
+ destroy_workqueue(dev->workqueue);
+err_v4l2_register:
+ v4l2_device_unregister(&dev->v4l2_dev);
+ return ret;
+}
+
+static int coda_remove(struct platform_device *pdev)
+{
+ struct coda_dev *dev = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->vfd); i++) {
+ if (video_get_drvdata(&dev->vfd[i]))
+ video_unregister_device(&dev->vfd[i]);
+ }
+ if (dev->m2m_dev)
+ v4l2_m2m_release(dev->m2m_dev);
+ pm_runtime_disable(&pdev->dev);
+ v4l2_device_unregister(&dev->v4l2_dev);
+ destroy_workqueue(dev->workqueue);
+ if (dev->iram.vaddr)
+ gen_pool_free(dev->iram_pool, (unsigned long)dev->iram.vaddr,
+ dev->iram.size);
+ coda_free_aux_buf(dev, &dev->codebuf);
+ coda_free_aux_buf(dev, &dev->tempbuf);
+ coda_free_aux_buf(dev, &dev->workbuf);
+ debugfs_remove_recursive(dev->debugfs_root);
+ ida_destroy(&dev->ida);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int coda_runtime_resume(struct device *dev)
+{
+ struct coda_dev *cdev = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (dev->pm_domain && cdev->codebuf.vaddr) {
+ ret = coda_hw_init(cdev);
+ if (ret)
+ v4l2_err(&cdev->v4l2_dev, "HW initialization failed\n");
+ }
+
+ return ret;
+}
+#endif
+
+static const struct dev_pm_ops coda_pm_ops = {
+ SET_RUNTIME_PM_OPS(NULL, coda_runtime_resume, NULL)
+};
+
+static struct platform_driver coda_driver = {
+ .probe = coda_probe,
+ .remove = coda_remove,
+ .driver = {
+ .name = CODA_NAME,
+ .of_match_table = of_match_ptr(coda_dt_ids),
+ .pm = &coda_pm_ops,
+ },
+ .id_table = coda_platform_ids,
+};
+
+module_platform_driver(coda_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
+MODULE_DESCRIPTION("Coda multi-standard codec V4L2 driver");