diff options
| author | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-13 11:18:11 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-03-18 05:56:51 +0100 |
| commit | 64441979bda6c2d17fa40c022f7debec6c328793 (patch) | |
| tree | a0dc5862e6b8e16a3690f50c24d6b37cbbaaaa0a /drivers/media/platform/coda/coda-common.c | |
| parent | d7700ca98d7a03eda24489a0eedaefda1a301629 (diff) | |
media: platform: rename coda/ to chips-media/
As the end goal is to have platform drivers split by vendor,
rename coda/ to chips-media/.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/coda/coda-common.c')
| -rw-r--r-- | drivers/media/platform/coda/coda-common.c | 3341 |
1 files changed, 0 insertions, 3341 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c deleted file mode 100644 index a57822b05070..000000000000 --- a/drivers/media/platform/coda/coda-common.c +++ /dev/null @@ -1,3341 +0,0 @@ -// 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/ratelimit.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 5 - -#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_ENCODE_MJPG, V4L2_PIX_FMT_YUV420, V4L2_PIX_FMT_JPEG, 8192, 8192), - 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), - CODA_CODEC(CODA9_MODE_DECODE_MJPG, V4L2_PIX_FMT_JPEG, V4L2_PIX_FMT_YUV420, 8192, 8192), -}; - -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-video-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-video-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 coda9_jpeg_encoder = { - .name = "coda-jpeg-encoder", - .type = CODA_INST_ENCODER, - .ops = &coda9_jpeg_encode_ops, - .direct = true, - .src_formats = { - V4L2_PIX_FMT_NV12, - V4L2_PIX_FMT_YUV420, - V4L2_PIX_FMT_YVU420, - V4L2_PIX_FMT_YUV422P, - V4L2_PIX_FMT_GREY, - }, - .dst_formats = { - V4L2_PIX_FMT_JPEG, - }, -}; - -static const struct coda_video_device coda9_jpeg_decoder = { - .name = "coda-jpeg-decoder", - .type = CODA_INST_DECODER, - .ops = &coda9_jpeg_decode_ops, - .direct = true, - .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[] = { - &coda9_jpeg_encoder, - &coda9_jpeg_decoder, - &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 const u32 coda_formats_420[CODA_MAX_FORMATS] = { - V4L2_PIX_FMT_NV12, - V4L2_PIX_FMT_YUV420, - V4L2_PIX_FMT_YVU420, -}; - -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) { - struct coda_q_data *q_data_src; - struct vb2_queue *src_vq; - - formats = cvd->dst_formats; - - /* - * If the source format is already fixed, only allow the same - * chroma subsampling. - */ - q_data_src = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); - src_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, - V4L2_BUF_TYPE_VIDEO_OUTPUT); - if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG && - vb2_is_streaming(src_vq)) { - if (ctx->params.jpeg_chroma_subsampling == - V4L2_JPEG_CHROMA_SUBSAMPLING_420) { - formats = coda_formats_420; - } else if (ctx->params.jpeg_chroma_subsampling == - V4L2_JPEG_CHROMA_SUBSAMPLING_422) { - f->pixelformat = V4L2_PIX_FMT_YUV422P; - return f->index ? -EINVAL : 0; - } - } - } 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_GREY: - /* keep 16 pixel alignment of 8-bit pixel data */ - f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); - f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * f->fmt.pix.height; - 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. When decoding JPEG images, we also have to make sure to - * use the same chroma subsampling. - */ - 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; - - if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) { - if (ctx->params.jpeg_chroma_subsampling == - V4L2_JPEG_CHROMA_SUBSAMPLING_420 && - f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) - f->fmt.pix.pixelformat = V4L2_PIX_FMT_NV12; - else if (ctx->params.jpeg_chroma_subsampling == - V4L2_JPEG_CHROMA_SUBSAMPLING_422) - f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; - } - } - - 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 decoders always write complete macroblocks or MCUs */ - if (ctx->inst_type == CODA_INST_DECODER) { - f->fmt.pix.bytesperline = round_up(f->fmt.pix.width, 16); - f->fmt.pix.height = round_up(f->fmt.pix.height, 16); - if (codec->src_fourcc == V4L2_PIX_FMT_JPEG && - f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) { - f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * - f->fmt.pix.height * 2; - } else { - 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->use_bit && - ctx->dev->devtype->product == CODA_960) { - ctx->tiled_map_type = GDI_TILED_FRAME_MB_RASTER_MAP; - break; - } - fallthrough; - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: - case V4L2_PIX_FMT_YUV422P: - 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 || - ctx->inst_type == CODA_INST_DECODER) - 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 || - ctx->inst_type == CODA_INST_ENCODER) - 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; - } - fallthrough; - 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 bool coda_mark_last_meta(struct coda_ctx *ctx) -{ - struct coda_buffer_meta *meta; - - coda_dbg(1, ctx, "marking last meta\n"); - - spin_lock(&ctx->buffer_meta_lock); - if (list_empty(&ctx->buffer_meta_list)) { - spin_unlock(&ctx->buffer_meta_lock); - return false; - } - - meta = list_last_entry(&ctx->buffer_meta_list, struct coda_buffer_meta, - list); - meta->last = true; - - spin_unlock(&ctx->buffer_meta_lock); - return true; -} - -static bool coda_mark_last_dst_buf(struct coda_ctx *ctx) -{ - struct vb2_v4l2_buffer *buf; - struct vb2_buffer *dst_vb; - struct vb2_queue *dst_vq; - unsigned long flags; - - coda_dbg(1, ctx, "marking last capture buffer\n"); - - dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - spin_lock_irqsave(&dst_vq->done_lock, flags); - if (list_empty(&dst_vq->done_list)) { - spin_unlock_irqrestore(&dst_vq->done_lock, flags); - return false; - } - - dst_vb = list_last_entry(&dst_vq->done_list, struct vb2_buffer, - done_entry); - buf = to_vb2_v4l2_buffer(dst_vb); - buf->flags |= V4L2_BUF_FLAG_LAST; - - spin_unlock_irqrestore(&dst_vq->done_lock, flags); - return true; -} - -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; - - mutex_lock(&ctx->wakeup_mutex); - - 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 { - if (ctx->use_bit) - if (coda_mark_last_meta(ctx)) - stream_end = true; - else - wakeup = true; - else - if (!coda_mark_last_dst_buf(ctx)) - wakeup = true; - } - - 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); - } - - mutex_unlock(&ctx->wakeup_mutex); - 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); - int i; - - 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; - - for (i = 0; i < CODA_MAX_FORMATS; i++) { - if (f->pixel_format == ctx->cvd->src_formats[i] || - f->pixel_format == ctx->cvd->dst_formats[i]) - break; - } - if (i == CODA_MAX_FORMATS) - 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))) { - if (ctx->use_bit) { - 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 { - 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 || !ctx->use_bit) && - 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, 0444, parent, - &buf->blob); - } - - 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); - } - } - } - - /* - * Check the first input JPEG buffer to determine chroma - * subsampling. - */ - if (q_data_src->fourcc == V4L2_PIX_FMT_JPEG) { - buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); - ret = coda_jpeg_decode_header(ctx, &buf->vb2_buf); - if (ret < 0) { - v4l2_err(v4l2_dev, - "failed to decode JPEG header: %d\n", - ret); - goto err; - } - - q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - q_data_dst->width = round_up(q_data_src->width, 16); - q_data_dst->height = round_up(q_data_src->height, 16); - q_data_dst->bytesperline = q_data_dst->width; - if (ctx->params.jpeg_chroma_subsampling == - V4L2_JPEG_CHROMA_SUBSAMPLING_420) { - q_data_dst->sizeimage = - q_data_dst->bytesperline * - q_data_dst->height * 3 / 2; - if (q_data_dst->fourcc != V4L2_PIX_FMT_YUV420) - q_data_dst->fourcc = V4L2_PIX_FMT_NV12; - } else { - q_data_dst->sizeimage = - q_data_dst->bytesperline * - q_data_dst->height * 2; - q_data_dst->fourcc = V4L2_PIX_FMT_YUV422P; - } - q_data_dst->rect.left = 0; - q_data_dst->rect.top = 0; - q_data_dst->rect.width = q_data_src->width; - q_data_dst->rect.height = q_data_src->height; - } - 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; - /* Only decoders have this control */ - if (ctx->mb_err_cnt_ctrl) - v4l2_ctrl_s_ctrl(ctx->mb_err_cnt_ctrl, 0); - - 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_FRAME_RC_ENABLE: - ctx->params.frame_rc_enable = ctrl->val; - break; - case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE: - ctx->params.mb_rc_enable = 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_FRAME_RC_ENABLE, 0, 1, 1, 1); - v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops, - V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE, 0, 1, 1, 1); - 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_BASELINE, 0x0, - V4L2_MPEG_VIDEO_H264_PROFILE_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_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)), - 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_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 const struct v4l2_ctrl_config coda_mb_err_cnt_ctrl_config = { - .id = V4L2_CID_CODA_MB_ERR_CNT, - .name = "Macroblocks Error Count", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = 0x7fffffff, - .step = 1, -}; - -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); - - ctx->mb_err_cnt_ctrl = v4l2_ctrl_new_custom(&ctx->ctrls, - &coda_mb_err_cnt_ctrl_config, - NULL); - if (ctx->mb_err_cnt_ctrl) - ctx->mb_err_cnt_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; - } - - 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->dma_attrs = DMA_ATTR_NO_KERNEL_MAPPING; - 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_resume_and_get(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_enable; - - 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_enable: - 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]; - const char *name; - int ret; - - if (i >= dev->devtype->num_vdevs) - return -EINVAL; - name = dev->devtype->vdevs[i]->name; - - 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_VIDEO, 0); - if (!ret) - v4l2_info(&dev->v4l2_dev, "%s registered as %s\n", - name, 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 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); - -static int coda_probe(struct platform_device *pdev) -{ - 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; - - dev->devtype = of_device_get_match_data(&pdev->dev); - - 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) - return irq; - - ret = devm_request_irq(&pdev->dev, irq, coda_irq_handler, 0, - CODA_NAME "-video", dev); - if (ret < 0) { - dev_err(&pdev->dev, "failed to request irq: %d\n", ret); - return ret; - } - - /* JPEG IRQ */ - if (dev->devtype->product == CODA_960) { - irq = platform_get_irq_byname(pdev, "jpeg"); - if (irq < 0) - return irq; - - ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, - coda9_jpeg_irq_handler, - IRQF_ONESHOT, CODA_NAME "-jpeg", - dev); - if (ret < 0) { - dev_err(&pdev->dev, "failed to request jpeg irq\n"); - 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 */ - pool = of_gen_pool_get(np, "iram", 0); - 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; - - ratelimit_default_init(&dev->mb_err_rs); - mutex_init(&dev->dev_mutex); - mutex_init(&dev->coda_mutex); - ida_init(&dev->ida); - - dev->debugfs_root = debugfs_create_dir("coda", NULL); - - /* 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", 0444, - 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: - pm_runtime_disable(&pdev->dev); - pm_runtime_put_noidle(&pdev->dev); - 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 = coda_dt_ids, - .pm = &coda_pm_ops, - }, -}; - -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"); |