diff options
Diffstat (limited to 'drivers/media/platform/amphion/venc.c')
| -rw-r--r-- | drivers/media/platform/amphion/venc.c | 1356 |
1 files changed, 1356 insertions, 0 deletions
diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c new file mode 100644 index 000000000..1df2b35c1 --- /dev/null +++ b/drivers/media/platform/amphion/venc.c @@ -0,0 +1,1356 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +#include <linux/init.h> +#include <linux/interconnect.h> +#include <linux/ioctl.h> +#include <linux/list.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/videodev2.h> +#include <linux/ktime.h> +#include <linux/rational.h> +#include <linux/vmalloc.h> +#include <media/v4l2-device.h> +#include <media/v4l2-event.h> +#include <media/v4l2-mem2mem.h> +#include <media/v4l2-ioctl.h> +#include <media/videobuf2-v4l2.h> +#include <media/videobuf2-dma-contig.h> +#include <media/videobuf2-vmalloc.h> +#include "vpu.h" +#include "vpu_defs.h" +#include "vpu_core.h" +#include "vpu_helpers.h" +#include "vpu_v4l2.h" +#include "vpu_cmds.h" +#include "vpu_rpc.h" + +#define VENC_OUTPUT_ENABLE BIT(0) +#define VENC_CAPTURE_ENABLE BIT(1) +#define VENC_ENABLE_MASK (VENC_OUTPUT_ENABLE | VENC_CAPTURE_ENABLE) +#define VENC_MAX_BUF_CNT 8 +#define VENC_MIN_BUFFER_OUT 6 +#define VENC_MIN_BUFFER_CAP 6 + +struct venc_t { + struct vpu_encode_params params; + u32 request_key_frame; + u32 input_ready; + u32 cpb_size; + bool bitrate_change; + + struct vpu_buffer enc[VENC_MAX_BUF_CNT]; + struct vpu_buffer ref[VENC_MAX_BUF_CNT]; + struct vpu_buffer act[VENC_MAX_BUF_CNT]; + struct list_head frames; + u32 frame_count; + u32 encode_count; + u32 ready_count; + u32 enable; + u32 stopped; + + u32 skipped_count; + u32 skipped_bytes; + + wait_queue_head_t wq; +}; + +struct venc_frame_t { + struct list_head list; + struct vpu_enc_pic_info info; + u32 bytesused; + s64 timestamp; +}; + +static const struct vpu_format venc_formats[] = { + { + .pixfmt = V4L2_PIX_FMT_NV12M, + .num_planes = 2, + .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, + }, + { + .pixfmt = V4L2_PIX_FMT_H264, + .num_planes = 1, + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, + }, + {0, 0, 0, 0}, +}; + +static int venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) +{ + strscpy(cap->driver, "amphion-vpu", sizeof(cap->driver)); + strscpy(cap->card, "amphion vpu encoder", sizeof(cap->card)); + strscpy(cap->bus_info, "platform: amphion-vpu", sizeof(cap->bus_info)); + + return 0; +} + +static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) +{ + struct vpu_inst *inst = to_inst(file); + const struct vpu_format *fmt; + + memset(f->reserved, 0, sizeof(f->reserved)); + fmt = vpu_helper_enum_format(inst, f->type, f->index); + if (!fmt) + return -EINVAL; + + f->pixelformat = fmt->pixfmt; + f->flags = fmt->flags; + + return 0; +} + +static int venc_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize) +{ + struct vpu_inst *inst = to_inst(file); + const struct vpu_core_resources *res; + + if (!fsize || fsize->index) + return -EINVAL; + + if (!vpu_helper_find_format(inst, 0, fsize->pixel_format)) + return -EINVAL; + + res = vpu_get_resource(inst); + if (!res) + return -EINVAL; + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + fsize->stepwise.max_width = res->max_width; + fsize->stepwise.max_height = res->max_height; + fsize->stepwise.min_width = res->min_width; + fsize->stepwise.min_height = res->min_height; + fsize->stepwise.step_width = res->step_width; + fsize->stepwise.step_height = res->step_height; + + return 0; +} + +static int venc_enum_frameintervals(struct file *file, void *fh, struct v4l2_frmivalenum *fival) +{ + struct vpu_inst *inst = to_inst(file); + const struct vpu_core_resources *res; + + if (!fival || fival->index) + return -EINVAL; + + if (!vpu_helper_find_format(inst, 0, fival->pixel_format)) + return -EINVAL; + + if (!fival->width || !fival->height) + return -EINVAL; + + res = vpu_get_resource(inst); + if (!res) + return -EINVAL; + if (fival->width < res->min_width || fival->width > res->max_width || + fival->height < res->min_height || fival->height > res->max_height) + return -EINVAL; + + fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS; + fival->stepwise.min.numerator = 1; + fival->stepwise.min.denominator = USHRT_MAX; + fival->stepwise.max.numerator = USHRT_MAX; + fival->stepwise.max.denominator = 1; + fival->stepwise.step.numerator = 1; + fival->stepwise.step.denominator = 1; + + return 0; +} + +static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) +{ + struct vpu_inst *inst = to_inst(file); + struct venc_t *venc = inst->priv; + struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; + struct vpu_format *cur_fmt; + int i; + + cur_fmt = vpu_get_format(inst, f->type); + + pixmp->pixelformat = cur_fmt->pixfmt; + pixmp->num_planes = cur_fmt->num_planes; + pixmp->width = cur_fmt->width; + pixmp->height = cur_fmt->height; + pixmp->field = cur_fmt->field; + pixmp->flags = cur_fmt->flags; + for (i = 0; i < pixmp->num_planes; i++) { + pixmp->plane_fmt[i].bytesperline = cur_fmt->bytesperline[i]; + pixmp->plane_fmt[i].sizeimage = cur_fmt->sizeimage[i]; + } + + f->fmt.pix_mp.colorspace = venc->params.color.primaries; + f->fmt.pix_mp.xfer_func = venc->params.color.transfer; + f->fmt.pix_mp.ycbcr_enc = venc->params.color.matrix; + f->fmt.pix_mp.quantization = venc->params.color.full_range; + + return 0; +} + +static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f) +{ + struct vpu_inst *inst = to_inst(file); + + vpu_try_fmt_common(inst, f); + + return 0; +} + +static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) +{ + struct vpu_inst *inst = to_inst(file); + const struct vpu_format *fmt; + struct vpu_format *cur_fmt; + struct vb2_queue *q; + struct venc_t *venc = inst->priv; + struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp; + int i; + + q = v4l2_m2m_get_vq(inst->fh.m2m_ctx, f->type); + if (!q) + return -EINVAL; + if (vb2_is_busy(q)) + return -EBUSY; + + fmt = vpu_try_fmt_common(inst, f); + if (!fmt) + return -EINVAL; + + cur_fmt = vpu_get_format(inst, f->type); + + cur_fmt->pixfmt = fmt->pixfmt; + cur_fmt->num_planes = fmt->num_planes; + cur_fmt->flags = fmt->flags; + cur_fmt->width = pix_mp->width; + cur_fmt->height = pix_mp->height; + for (i = 0; i < fmt->num_planes; i++) { + cur_fmt->sizeimage[i] = pix_mp->plane_fmt[i].sizeimage; + cur_fmt->bytesperline[i] = pix_mp->plane_fmt[i].bytesperline; + } + + if (pix_mp->field != V4L2_FIELD_ANY) + cur_fmt->field = pix_mp->field; + + if (V4L2_TYPE_IS_OUTPUT(f->type)) { + venc->params.input_format = cur_fmt->pixfmt; + venc->params.src_stride = cur_fmt->bytesperline[0]; + venc->params.src_width = cur_fmt->width; + venc->params.src_height = cur_fmt->height; + venc->params.crop.left = 0; + venc->params.crop.top = 0; + venc->params.crop.width = cur_fmt->width; + venc->params.crop.height = cur_fmt->height; + } else { + venc->params.codec_format = cur_fmt->pixfmt; + venc->params.out_width = cur_fmt->width; + venc->params.out_height = cur_fmt->height; + } + + if (V4L2_TYPE_IS_OUTPUT(f->type)) { + if (!vpu_color_check_primaries(pix_mp->colorspace)) { + venc->params.color.primaries = pix_mp->colorspace; + vpu_color_get_default(venc->params.color.primaries, + &venc->params.color.transfer, + &venc->params.color.matrix, + &venc->params.color.full_range); + } + if (!vpu_color_check_transfers(pix_mp->xfer_func)) + venc->params.color.transfer = pix_mp->xfer_func; + if (!vpu_color_check_matrix(pix_mp->ycbcr_enc)) + venc->params.color.matrix = pix_mp->ycbcr_enc; + if (!vpu_color_check_full_range(pix_mp->quantization)) + venc->params.color.full_range = pix_mp->quantization; + } + + pix_mp->colorspace = venc->params.color.primaries; + pix_mp->xfer_func = venc->params.color.transfer; + pix_mp->ycbcr_enc = venc->params.color.matrix; + pix_mp->quantization = venc->params.color.full_range; + + return 0; +} + +static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm) +{ + struct vpu_inst *inst = to_inst(file); + struct venc_t *venc = inst->priv; + struct v4l2_fract *timeperframe; + + if (!parm) + return -EINVAL; + + if (!V4L2_TYPE_IS_OUTPUT(parm->type)) + return -EINVAL; + + if (!vpu_helper_check_type(inst, parm->type)) + return -EINVAL; + + timeperframe = &parm->parm.capture.timeperframe; + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + parm->parm.capture.readbuffers = 0; + timeperframe->numerator = venc->params.frame_rate.numerator; + timeperframe->denominator = venc->params.frame_rate.denominator; + + return 0; +} + +static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm) +{ + struct vpu_inst *inst = to_inst(file); + struct venc_t *venc = inst->priv; + struct v4l2_fract *timeperframe; + unsigned long n, d; + + if (!parm) + return -EINVAL; + + if (!V4L2_TYPE_IS_OUTPUT(parm->type)) + return -EINVAL; + + if (!vpu_helper_check_type(inst, parm->type)) + return -EINVAL; + + timeperframe = &parm->parm.capture.timeperframe; + if (!timeperframe->numerator) + timeperframe->numerator = venc->params.frame_rate.numerator; + if (!timeperframe->denominator) + timeperframe->denominator = venc->params.frame_rate.denominator; + + venc->params.frame_rate.numerator = timeperframe->numerator; + venc->params.frame_rate.denominator = timeperframe->denominator; + + rational_best_approximation(venc->params.frame_rate.numerator, + venc->params.frame_rate.denominator, + venc->params.frame_rate.numerator, + venc->params.frame_rate.denominator, + &n, &d); + venc->params.frame_rate.numerator = n; + venc->params.frame_rate.denominator = d; + + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + memset(parm->parm.capture.reserved, 0, sizeof(parm->parm.capture.reserved)); + + return 0; +} + +static int venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s) +{ + struct vpu_inst *inst = to_inst(file); + struct venc_t *venc = inst->priv; + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + switch (s->target) { + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + s->r.left = 0; + s->r.top = 0; + s->r.width = inst->out_format.width; + s->r.height = inst->out_format.height; + break; + case V4L2_SEL_TGT_CROP: + s->r = venc->params.crop; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int venc_valid_crop(struct venc_t *venc, const struct vpu_core_resources *res) +{ + struct v4l2_rect *rect = NULL; + u32 min_width; + u32 min_height; + u32 src_width; + u32 src_height; + + rect = &venc->params.crop; + min_width = res->min_width; + min_height = res->min_height; + src_width = venc->params.src_width; + src_height = venc->params.src_height; + + if (rect->width == 0 || rect->height == 0) + return -EINVAL; + if (rect->left > src_width - min_width || rect->top > src_height - min_height) + return -EINVAL; + + rect->width = min(rect->width, src_width - rect->left); + rect->width = max_t(u32, rect->width, min_width); + + rect->height = min(rect->height, src_height - rect->top); + rect->height = max_t(u32, rect->height, min_height); + + return 0; +} + +static int venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s) +{ + struct vpu_inst *inst = to_inst(file); + const struct vpu_core_resources *res; + struct venc_t *venc = inst->priv; + + res = vpu_get_resource(inst); + if (!res) + return -EINVAL; + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + if (s->target != V4L2_SEL_TGT_CROP) + return -EINVAL; + + venc->params.crop.left = ALIGN(s->r.left, res->step_width); + venc->params.crop.top = ALIGN(s->r.top, res->step_height); + venc->params.crop.width = ALIGN(s->r.width, res->step_width); + venc->params.crop.height = ALIGN(s->r.height, res->step_height); + if (venc_valid_crop(venc, res)) { + venc->params.crop.left = 0; + venc->params.crop.top = 0; + venc->params.crop.width = venc->params.src_width; + venc->params.crop.height = venc->params.src_height; + } + + inst->crop = venc->params.crop; + + return 0; +} + +static int venc_drain(struct vpu_inst *inst) +{ + struct venc_t *venc = inst->priv; + int ret; + + if (!inst->fh.m2m_ctx) + return 0; + + if (inst->state != VPU_CODEC_STATE_DRAIN) + return 0; + + if (!vpu_is_source_empty(inst)) + return 0; + + if (!venc->input_ready) + return 0; + + venc->input_ready = false; + vpu_trace(inst->dev, "[%d]\n", inst->id); + ret = vpu_session_stop(inst); + if (ret) + return ret; + inst->state = VPU_CODEC_STATE_STOP; + wake_up_all(&venc->wq); + + return 0; +} + +static int venc_request_eos(struct vpu_inst *inst) +{ + inst->state = VPU_CODEC_STATE_DRAIN; + venc_drain(inst); + + return 0; +} + +static int venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *cmd) +{ + struct vpu_inst *inst = to_inst(file); + int ret; + + ret = v4l2_m2m_ioctl_try_encoder_cmd(file, fh, cmd); + if (ret) + return ret; + + vpu_inst_lock(inst); + if (cmd->cmd == V4L2_ENC_CMD_STOP) { + if (inst->state == VPU_CODEC_STATE_DEINIT) + vpu_set_last_buffer_dequeued(inst, true); + else + venc_request_eos(inst); + } + vpu_inst_unlock(inst); + + return 0; +} + +static int venc_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_EOS: + return v4l2_event_subscribe(fh, sub, 0, NULL); + case V4L2_EVENT_CTRL: + return v4l2_ctrl_subscribe_event(fh, sub); + default: + return -EINVAL; + } +} + +static const struct v4l2_ioctl_ops venc_ioctl_ops = { + .vidioc_querycap = venc_querycap, + .vidioc_enum_fmt_vid_cap = venc_enum_fmt, + .vidioc_enum_fmt_vid_out = venc_enum_fmt, + .vidioc_enum_framesizes = venc_enum_framesizes, + .vidioc_enum_frameintervals = venc_enum_frameintervals, + .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt, + .vidioc_g_fmt_vid_out_mplane = venc_g_fmt, + .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt, + .vidioc_try_fmt_vid_out_mplane = venc_try_fmt, + .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt, + .vidioc_s_fmt_vid_out_mplane = venc_s_fmt, + .vidioc_g_parm = venc_g_parm, + .vidioc_s_parm = venc_s_parm, + .vidioc_g_selection = venc_g_selection, + .vidioc_s_selection = venc_s_selection, + .vidioc_try_encoder_cmd = v4l2_m2m_ioctl_try_encoder_cmd, + .vidioc_encoder_cmd = venc_encoder_cmd, + .vidioc_subscribe_event = venc_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, +}; + +static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vpu_inst *inst = ctrl_to_inst(ctrl); + struct venc_t *venc = inst->priv; + int ret = 0; + + vpu_inst_lock(inst); + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: + venc->params.profile = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: + venc->params.level = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE: + venc->params.rc_enable = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: + venc->params.rc_mode = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE: + if (ctrl->val != venc->params.bitrate) + venc->bitrate_change = true; + venc->params.bitrate = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: + venc->params.bitrate_max = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + venc->params.gop_length = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: + venc->params.bframes = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP: + venc->params.i_frame_qp = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP: + venc->params.p_frame_qp = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP: + venc->params.b_frame_qp = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: + venc->request_key_frame = 1; + break; + case V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE: + venc->cpb_size = ctrl->val * 1024; + break; + case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE: + venc->params.sar.enable = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC: + venc->params.sar.idc = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH: + venc->params.sar.width = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT: + venc->params.sar.height = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_HEADER_MODE: + break; + default: + ret = -EINVAL; + break; + } + vpu_inst_unlock(inst); + + return ret; +} + +static const struct v4l2_ctrl_ops venc_ctrl_ops = { + .s_ctrl = venc_op_s_ctrl, + .g_volatile_ctrl = vpu_helper_g_volatile_ctrl, +}; + +static int venc_ctrl_init(struct vpu_inst *inst) +{ + struct v4l2_ctrl *ctrl; + int ret; + + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 20); + if (ret) + return ret; + + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_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); + + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_LEVEL, + V4L2_MPEG_VIDEO_H264_LEVEL_5_1, + 0x0, + V4L2_MPEG_VIDEO_H264_LEVEL_4_0); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE, 0, 1, 1, 1); + + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE_MODE, + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, + ~((1 << V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) | + (1 << V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)), + V4L2_MPEG_VIDEO_BITRATE_MODE_CBR); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE, + BITRATE_MIN, + BITRATE_MAX, + BITRATE_STEP, + BITRATE_DEFAULT); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, + BITRATE_MIN, BITRATE_MAX, + BITRATE_STEP, + BITRATE_DEFAULT_PEAK); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 8000, 1, 30); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 4, 1, 0); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP, 1, 51, 1, 26); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP, 1, 51, 1, 28); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP, 1, 51, 1, 30); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 0, 0, 0, 0); + ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 1, 32, 1, 2); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; + ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 32, 1, 2); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE, 64, 10240, 1, 1024); + + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE, 0, 1, 1, 1); + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED, + 0x0, + V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH, + 0, USHRT_MAX, 1, 1); + v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT, + 0, USHRT_MAX, 1, 1); + v4l2_ctrl_new_std_menu(&inst->ctrl_handler, &venc_ctrl_ops, + V4L2_CID_MPEG_VIDEO_HEADER_MODE, + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME, + ~(1 << V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME), + V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME); + + if (inst->ctrl_handler.error) { + ret = inst->ctrl_handler.error; + v4l2_ctrl_handler_free(&inst->ctrl_handler); + return ret; + } + + ret = v4l2_ctrl_handler_setup(&inst->ctrl_handler); + if (ret) { + dev_err(inst->dev, "[%d] setup ctrls fail, ret = %d\n", inst->id, ret); + v4l2_ctrl_handler_free(&inst->ctrl_handler); + return ret; + } + + return 0; +} + +static bool venc_check_ready(struct vpu_inst *inst, unsigned int type) +{ + struct venc_t *venc = inst->priv; + + if (V4L2_TYPE_IS_OUTPUT(type)) { + if (vpu_helper_get_free_space(inst) < venc->cpb_size) + return false; + return venc->input_ready; + } + + if (list_empty(&venc->frames)) + return false; + return true; +} + +static u32 venc_get_enable_mask(u32 type) +{ + if (V4L2_TYPE_IS_OUTPUT(type)) + return VENC_OUTPUT_ENABLE; + else + return VENC_CAPTURE_ENABLE; +} + +static void venc_set_enable(struct venc_t *venc, u32 type, int enable) +{ + u32 mask = venc_get_enable_mask(type); + + if (enable) + venc->enable |= mask; + else + venc->enable &= ~mask; +} + +static u32 venc_get_enable(struct venc_t *venc, u32 type) +{ + return venc->enable & venc_get_enable_mask(type); +} + +static void venc_input_done(struct vpu_inst *inst) +{ + struct venc_t *venc = inst->priv; + + vpu_inst_lock(inst); + venc->input_ready = true; + vpu_process_output_buffer(inst); + if (inst->state == VPU_CODEC_STATE_DRAIN) + venc_drain(inst); + vpu_inst_unlock(inst); +} + +/* + * It's hardware limitation, that there may be several bytes + * redundant data at the beginning of frame. + * For android platform, the redundant data may cause cts test fail + * So driver will strip them + */ +static int venc_precheck_encoded_frame(struct vpu_inst *inst, struct venc_frame_t *frame) +{ + struct venc_t *venc; + int skipped; + + if (!frame || !frame->bytesused) + return -EINVAL; + + venc = inst->priv; + skipped = vpu_helper_find_startcode(&inst->stream_buffer, + inst->cap_format.pixfmt, + frame->info.wptr - inst->stream_buffer.phys, + frame->bytesused); + if (skipped > 0) { + frame->bytesused -= skipped; + frame->info.wptr = vpu_helper_step_walk(&inst->stream_buffer, + frame->info.wptr, skipped); + venc->skipped_bytes += skipped; + venc->skipped_count++; + } + + return 0; +} + +static int venc_get_one_encoded_frame(struct vpu_inst *inst, + struct venc_frame_t *frame, + struct vb2_v4l2_buffer *vbuf) +{ + struct venc_t *venc = inst->priv; + struct vb2_v4l2_buffer *src_buf; + + if (!vbuf) + return -EAGAIN; + + src_buf = vpu_find_buf_by_sequence(inst, inst->out_format.type, frame->info.frame_id); + if (src_buf) { + v4l2_m2m_buf_copy_metadata(src_buf, vbuf, true); + vpu_set_buffer_state(src_buf, VPU_BUF_STATE_IDLE); + v4l2_m2m_src_buf_remove_by_buf(inst->fh.m2m_ctx, src_buf); + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); + } else { + vbuf->vb2_buf.timestamp = frame->info.timestamp; + } + if (!venc_get_enable(inst->priv, vbuf->vb2_buf.type)) { + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR); + return 0; + } + if (frame->bytesused > vbuf->vb2_buf.planes[0].length) { + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR); + return -ENOMEM; + } + + venc_precheck_encoded_frame(inst, frame); + + if (frame->bytesused) { + u32 rptr = frame->info.wptr; + void *dst = vb2_plane_vaddr(&vbuf->vb2_buf, 0); + + vpu_helper_copy_from_stream_buffer(&inst->stream_buffer, + &rptr, frame->bytesused, dst); + vpu_iface_update_stream_buffer(inst, rptr, 0); + } + vb2_set_plane_payload(&vbuf->vb2_buf, 0, frame->bytesused); + vbuf->sequence = frame->info.frame_id; + vbuf->field = inst->cap_format.field; + vbuf->flags |= frame->info.pic_type; + vpu_set_buffer_state(vbuf, VPU_BUF_STATE_IDLE); + dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp); + v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); + venc->ready_count++; + + if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME) + dev_dbg(inst->dev, "[%d][%d]key frame\n", inst->id, frame->info.frame_id); + + return 0; +} + +static int venc_get_encoded_frames(struct vpu_inst *inst) +{ + struct venc_t *venc; + struct venc_frame_t *frame; + struct venc_frame_t *tmp; + + if (!inst->fh.m2m_ctx) + return 0; + venc = inst->priv; + list_for_each_entry_safe(frame, tmp, &venc->frames, list) { + if (venc_get_one_encoded_frame(inst, frame, + v4l2_m2m_dst_buf_remove(inst->fh.m2m_ctx))) + break; + list_del_init(&frame->list); + vfree(frame); + } + + return 0; +} + +static int venc_frame_encoded(struct vpu_inst *inst, void *arg) +{ + struct vpu_enc_pic_info *info = arg; + struct venc_frame_t *frame; + struct venc_t *venc; + int ret = 0; + + if (!info) + return -EINVAL; + venc = inst->priv; + frame = vzalloc(sizeof(*frame)); + if (!frame) + return -ENOMEM; + + memcpy(&frame->info, info, sizeof(frame->info)); + frame->bytesused = info->frame_size; + + vpu_inst_lock(inst); + list_add_tail(&frame->list, &venc->frames); + venc->encode_count++; + venc_get_encoded_frames(inst); + vpu_inst_unlock(inst); + + return ret; +} + +static void venc_set_last_buffer_dequeued(struct vpu_inst *inst) +{ + struct venc_t *venc = inst->priv; + + if (venc->stopped && list_empty(&venc->frames)) + vpu_set_last_buffer_dequeued(inst, true); +} + +static void venc_stop_done(struct vpu_inst *inst) +{ + struct venc_t *venc = inst->priv; + + vpu_inst_lock(inst); + venc->stopped = true; + venc_set_last_buffer_dequeued(inst); + vpu_inst_unlock(inst); + + wake_up_all(&venc->wq); +} + +static void venc_event_notify(struct vpu_inst *inst, u32 event, void *data) +{ +} + +static void venc_release(struct vpu_inst *inst) +{ +} + +static void venc_cleanup(struct vpu_inst *inst) +{ + struct venc_t *venc; + + if (!inst) + return; + + venc = inst->priv; + vfree(venc); + inst->priv = NULL; + vfree(inst); +} + +static int venc_start_session(struct vpu_inst *inst, u32 type) +{ + struct venc_t *venc = inst->priv; + int stream_buffer_size; + int ret; + + venc_set_enable(venc, type, 1); + if ((venc->enable & VENC_ENABLE_MASK) != VENC_ENABLE_MASK) + return 0; + + vpu_iface_init_instance(inst); + stream_buffer_size = vpu_iface_get_stream_buffer_size(inst->core); + if (stream_buffer_size > 0) { + inst->stream_buffer.length = max_t(u32, stream_buffer_size, venc->cpb_size * 3); + ret = vpu_alloc_dma(inst->core, &inst->stream_buffer); + if (ret) + goto error; + + inst->use_stream_buffer = true; + vpu_iface_config_stream_buffer(inst, &inst->stream_buffer); + } + + ret = vpu_iface_set_encode_params(inst, &venc->params, 0); + if (ret) + goto error; + ret = vpu_session_configure_codec(inst); + if (ret) + goto error; + + inst->state = VPU_CODEC_STATE_CONFIGURED; + /*vpu_iface_config_memory_resource*/ + + /*config enc expert mode parameter*/ + ret = vpu_iface_set_encode_params(inst, &venc->params, 1); + if (ret) + goto error; + + ret = vpu_session_start(inst); + if (ret) + goto error; + inst->state = VPU_CODEC_STATE_STARTED; + + venc->bitrate_change = false; + venc->input_ready = true; + venc->frame_count = 0; + venc->encode_count = 0; + venc->ready_count = 0; + venc->stopped = false; + vpu_process_output_buffer(inst); + if (venc->frame_count == 0) + dev_err(inst->dev, "[%d] there is no input when starting\n", inst->id); + + return 0; +error: + venc_set_enable(venc, type, 0); + inst->state = VPU_CODEC_STATE_DEINIT; + + vpu_free_dma(&inst->stream_buffer); + return ret; +} + +static void venc_cleanup_mem_resource(struct vpu_inst *inst) +{ + struct venc_t *venc; + u32 i; + + venc = inst->priv; + + for (i = 0; i < ARRAY_SIZE(venc->enc); i++) + vpu_free_dma(&venc->enc[i]); + for (i = 0; i < ARRAY_SIZE(venc->ref); i++) + vpu_free_dma(&venc->ref[i]); +} + +static void venc_request_mem_resource(struct vpu_inst *inst, + u32 enc_frame_size, + u32 enc_frame_num, + u32 ref_frame_size, + u32 ref_frame_num, + u32 act_frame_size, + u32 act_frame_num) +{ + struct venc_t *venc; + u32 i; + int ret; + + venc = inst->priv; + if (enc_frame_num > ARRAY_SIZE(venc->enc)) { + dev_err(inst->dev, "[%d] enc num(%d) is out of range\n", inst->id, enc_frame_num); + return; + } + if (ref_frame_num > ARRAY_SIZE(venc->ref)) { + dev_err(inst->dev, "[%d] ref num(%d) is out of range\n", inst->id, ref_frame_num); + return; + } + if (act_frame_num > ARRAY_SIZE(venc->act)) { + dev_err(inst->dev, "[%d] act num(%d) is out of range\n", inst->id, act_frame_num); + return; + } + + for (i = 0; i < enc_frame_num; i++) { + venc->enc[i].length = enc_frame_size; + ret = vpu_alloc_dma(inst->core, &venc->enc[i]); + if (ret) { + venc_cleanup_mem_resource(inst); + return; + } + } + for (i = 0; i < ref_frame_num; i++) { + venc->ref[i].length = ref_frame_size; + ret = vpu_alloc_dma(inst->core, &venc->ref[i]); + if (ret) { + venc_cleanup_mem_resource(inst); + return; + } + } + if (act_frame_num != 1 || act_frame_size > inst->act.length) { + venc_cleanup_mem_resource(inst); + return; + } + venc->act[0].length = act_frame_size; + venc->act[0].phys = inst->act.phys; + venc->act[0].virt = inst->act.virt; + + for (i = 0; i < enc_frame_num; i++) + vpu_iface_config_memory_resource(inst, MEM_RES_ENC, i, &venc->enc[i]); + for (i = 0; i < ref_frame_num; i++) + vpu_iface_config_memory_resource(inst, MEM_RES_REF, i, &venc->ref[i]); + for (i = 0; i < act_frame_num; i++) + vpu_iface_config_memory_resource(inst, MEM_RES_ACT, i, &venc->act[i]); +} + +static void venc_cleanup_frames(struct venc_t *venc) +{ + struct venc_frame_t *frame; + struct venc_frame_t *tmp; + + list_for_each_entry_safe(frame, tmp, &venc->frames, list) { + list_del_init(&frame->list); + vfree(frame); + } +} + +static int venc_stop_session(struct vpu_inst *inst, u32 type) +{ + struct venc_t *venc = inst->priv; + + venc_set_enable(venc, type, 0); + if (venc->enable & VENC_ENABLE_MASK) + return 0; + + if (inst->state == VPU_CODEC_STATE_DEINIT) + return 0; + + if (inst->state != VPU_CODEC_STATE_STOP) + venc_request_eos(inst); + + call_void_vop(inst, wait_prepare); + if (!wait_event_timeout(venc->wq, venc->stopped, VPU_TIMEOUT)) { + set_bit(inst->id, &inst->core->hang_mask); + vpu_session_debug(inst); + } + call_void_vop(inst, wait_finish); + + inst->state = VPU_CODEC_STATE_DEINIT; + venc_cleanup_frames(inst->priv); + vpu_free_dma(&inst->stream_buffer); + venc_cleanup_mem_resource(inst); + + return 0; +} + +static int venc_process_output(struct vpu_inst *inst, struct vb2_buffer *vb) +{ + struct venc_t *venc = inst->priv; + struct vb2_v4l2_buffer *vbuf; + u32 flags; + + if (inst->state == VPU_CODEC_STATE_DEINIT) + return -EINVAL; + + vbuf = to_vb2_v4l2_buffer(vb); + if (inst->state == VPU_CODEC_STATE_STARTED) + inst->state = VPU_CODEC_STATE_ACTIVE; + + flags = vbuf->flags; + if (venc->request_key_frame) { + vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME; + venc->request_key_frame = 0; + } + if (venc->bitrate_change) { + vpu_session_update_parameters(inst, &venc->params); + venc->bitrate_change = false; + } + dev_dbg(inst->dev, "[%d][INPUT TS]%32lld\n", inst->id, vb->timestamp); + vpu_iface_input_frame(inst, vb); + vbuf->flags = flags; + venc->input_ready = false; + venc->frame_count++; + vpu_set_buffer_state(vbuf, VPU_BUF_STATE_INUSE); + + return 0; +} + +static int venc_process_capture(struct vpu_inst *inst, struct vb2_buffer *vb) +{ + struct venc_t *venc; + struct venc_frame_t *frame = NULL; + struct vb2_v4l2_buffer *vbuf; + int ret; + + venc = inst->priv; + if (list_empty(&venc->frames)) + return -EINVAL; + + frame = list_first_entry(&venc->frames, struct venc_frame_t, list); + vbuf = to_vb2_v4l2_buffer(vb); + v4l2_m2m_dst_buf_remove_by_buf(inst->fh.m2m_ctx, vbuf); + ret = venc_get_one_encoded_frame(inst, frame, vbuf); + if (ret) + return ret; + + list_del_init(&frame->list); + vfree(frame); + return 0; +} + +static void venc_on_queue_empty(struct vpu_inst *inst, u32 type) +{ + struct venc_t *venc = inst->priv; + + if (V4L2_TYPE_IS_OUTPUT(type)) + return; + + if (venc->stopped) + venc_set_last_buffer_dequeued(inst); +} + +static int venc_get_debug_info(struct vpu_inst *inst, char *str, u32 size, u32 i) +{ + struct venc_t *venc = inst->priv; + int num = -1; + + switch (i) { + case 0: + num = scnprintf(str, size, "profile = %d\n", venc->params.profile); + break; + case 1: + num = scnprintf(str, size, "level = %d\n", venc->params.level); + break; + case 2: + num = scnprintf(str, size, "fps = %d/%d\n", + venc->params.frame_rate.numerator, + venc->params.frame_rate.denominator); + break; + case 3: + num = scnprintf(str, size, "%d x %d -> %d x %d\n", + venc->params.src_width, + venc->params.src_height, + venc->params.out_width, + venc->params.out_height); + break; + case 4: + num = scnprintf(str, size, "(%d, %d) %d x %d\n", + venc->params.crop.left, + venc->params.crop.top, + venc->params.crop.width, + venc->params.crop.height); + break; + case 5: + num = scnprintf(str, size, + "enable = 0x%x, input = %d, encode = %d, ready = %d, stopped = %d\n", + venc->enable, + venc->frame_count, venc->encode_count, + venc->ready_count, + venc->stopped); + break; + case 6: + num = scnprintf(str, size, "gop = %d\n", venc->params.gop_length); + break; + case 7: + num = scnprintf(str, size, "bframes = %d\n", venc->params.bframes); + break; + case 8: + num = scnprintf(str, size, "rc: %s, mode = %d, bitrate = %d(%d), qp = %d\n", + venc->params.rc_enable ? "enable" : "disable", + venc->params.rc_mode, + venc->params.bitrate, + venc->params.bitrate_max, + venc->params.i_frame_qp); + break; + case 9: + num = scnprintf(str, size, "sar: enable = %d, idc = %d, %d x %d\n", + venc->params.sar.enable, + venc->params.sar.idc, + venc->params.sar.width, + venc->params.sar.height); + + break; + case 10: + num = scnprintf(str, size, + "colorspace: primaries = %d, transfer = %d, matrix = %d, full_range = %d\n", + venc->params.color.primaries, + venc->params.color.transfer, + venc->params.color.matrix, + venc->params.color.full_range); + break; + case 11: + num = scnprintf(str, size, "skipped: count = %d, bytes = %d\n", + venc->skipped_count, venc->skipped_bytes); + break; + default: + break; + } + + return num; +} + +static struct vpu_inst_ops venc_inst_ops = { + .ctrl_init = venc_ctrl_init, + .check_ready = venc_check_ready, + .input_done = venc_input_done, + .get_one_frame = venc_frame_encoded, + .stop_done = venc_stop_done, + .event_notify = venc_event_notify, + .release = venc_release, + .cleanup = venc_cleanup, + .start = venc_start_session, + .mem_request = venc_request_mem_resource, + .stop = venc_stop_session, + .process_output = venc_process_output, + .process_capture = venc_process_capture, + .on_queue_empty = venc_on_queue_empty, + .get_debug_info = venc_get_debug_info, + .wait_prepare = vpu_inst_unlock, + .wait_finish = vpu_inst_lock, +}; + +static void venc_init(struct file *file) +{ + struct vpu_inst *inst = to_inst(file); + struct venc_t *venc; + struct v4l2_format f; + struct v4l2_streamparm parm; + + venc = inst->priv; + venc->params.qp_min = 1; + venc->params.qp_max = 51; + venc->params.qp_min_i = 1; + venc->params.qp_max_i = 51; + venc->params.bitrate_min = BITRATE_MIN; + + memset(&f, 0, sizeof(f)); + f.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; + f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_NV12M; + f.fmt.pix_mp.width = 1280; + f.fmt.pix_mp.height = 720; + f.fmt.pix_mp.field = V4L2_FIELD_NONE; + f.fmt.pix_mp.colorspace = V4L2_COLORSPACE_REC709; + venc_s_fmt(file, &inst->fh, &f); + + memset(&f, 0, sizeof(f)); + f.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; + f.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_H264; + f.fmt.pix_mp.width = 1280; + f.fmt.pix_mp.height = 720; + f.fmt.pix_mp.field = V4L2_FIELD_NONE; + venc_s_fmt(file, &inst->fh, &f); + + memset(&parm, 0, sizeof(parm)); + parm.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; + parm.parm.capture.timeperframe.numerator = 1; + parm.parm.capture.timeperframe.denominator = 30; + venc_s_parm(file, &inst->fh, &parm); +} + +static int venc_open(struct file *file) +{ + struct vpu_inst *inst; + struct venc_t *venc; + int ret; + + inst = vzalloc(sizeof(*inst)); + if (!inst) + return -ENOMEM; + + venc = vzalloc(sizeof(*venc)); + if (!venc) { + vfree(inst); + return -ENOMEM; + } + + inst->ops = &venc_inst_ops; + inst->formats = venc_formats; + inst->type = VPU_CORE_TYPE_ENC; + inst->priv = venc; + INIT_LIST_HEAD(&venc->frames); + init_waitqueue_head(&venc->wq); + + ret = vpu_v4l2_open(file, inst); + if (ret) + return ret; + + inst->min_buffer_out = VENC_MIN_BUFFER_OUT; + inst->min_buffer_cap = VENC_MIN_BUFFER_CAP; + venc_init(file); + + return 0; +} + +static const struct v4l2_file_operations venc_fops = { + .owner = THIS_MODULE, + .open = venc_open, + .release = vpu_v4l2_close, + .unlocked_ioctl = video_ioctl2, + .poll = v4l2_m2m_fop_poll, + .mmap = v4l2_m2m_fop_mmap, +}; + +const struct v4l2_ioctl_ops *venc_get_ioctl_ops(void) +{ + return &venc_ioctl_ops; +} + +const struct v4l2_file_operations *venc_get_fops(void) +{ + return &venc_fops; +} |